Sierra Wireless BX31A Radio Module User Manual AirPrime BX3100 BX3105 Wi Fi BT Module Hardware Integration Guide

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Document ID	4001944
Application ID	AiVjNzMsS7eAsAt/FDss+A==
Document Description	41112627 AirPrime BX3100-BX3105 Hardware Integration Guide r3
Short Term Confidential	No
Permanent Confidential	No
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Document Type	User Manual
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Filesize	28.63kB (357850 bits)
Date Submitted	2018-09-12 00:00:00
Date Available	2018-09-13 00:00:00
Creation Date	2018-09-11 14:00:17
Producing Software	Acrobat Distiller 18.0 (Windows)
Document Lastmod	2018-09-11 14:55:19
Document Title	AirPrime BX3100/BX3105 Wi-Fi/BT Module Hardware Integration Guide
Document Creator	FrameMaker 2015.0.5
Document Author:	Sierra Wireless

AirPrime BX3100/BX3105
Wi-Fi/BT Module
Hardware Integration Guide
41112607
Rev 3
Hardware Integration Guide
Important
Notice
Safety and
Hazards
Due to the nature of wireless communications, transmission and reception of data can
never be guaranteed. Data may be delayed, corrupted (i.e., have errors) or be totally
lost. Although significant delays or losses of data are rare when wireless devices such
as the Sierra Wireless modem are used in a normal manner with a well-constructed
network, the Sierra Wireless modem should not be used in situations where failure to
transmit or receive data could result in damage of any kind to the user or any other
party, including but not limited to personal injury, death, or loss of property. Sierra
Wireless accepts no responsibility for damages of any kind resulting from delays or
errors in data transmitted or received using the Sierra Wireless modem, or for failure
of the Sierra Wireless modem to transmit or receive such data.
Do not operate the Sierra Wireless modem in areas where blasting is in progress,
where explosive atmospheres may be present, near medical equipment, near life
support equipment, or any equipment which may be susceptible to any form of radio
interference. In such areas, the Sierra Wireless modem MUST BE IN AIRPLANE
MODE OR POWERED OFF. The Sierra Wireless modem can transmit signals that
could interfere with this equipment.
Do not operate the Sierra Wireless modem in any aircraft, whether the aircraft is on
the ground or in flight. In aircraft, the Sierra Wireless modem MUST BE IN
AIRPLANE MODE OR POWERED OFF. When operating, the Sierra Wireless modem
can transmit signals that could interfere with various onboard systems.
Note: Some airlines may permit the use of cellular phones while the aircraft is on the ground
and the door is open. Sierra Wireless modems may be used at this time.
The driver or operator of any vehicle should not operate the Sierra Wireless modem
while in control of a vehicle. Doing so will detract from the driver or operator's control
and operation of that vehicle. In some states and provinces, operating such
communications devices while in control of a vehicle is an offence.
Limitation of
Liability
The information in this manual is subject to change without notice and does not
represent a commitment on the part of Sierra Wireless. SIERRA WIRELESS AND ITS
AFFILIATES SPECIFICALLY DISCLAIM LIABILITY FOR ANY AND ALL DIRECT,
INDIRECT, SPECIAL, GENERAL, INCIDENTAL, CONSEQUENTIAL, PUNITIVE OR
EXEMPLARY DAMAGES INCLUDING, BUT NOT LIMITED TO, LOSS OF PROFITS
OR REVENUE OR ANTICIPATED PROFITS OR REVENUE ARISING OUT OF THE
USE OR INABILITY TO USE ANY SIERRA WIRELESS PRODUCT, EVEN IF
SIERRA WIRELESS AND/OR ITS AFFILIATES HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES OR THEY ARE FORESEEABLE OR FOR
CLAIMS BY ANY THIRD PARTY.
Notwithstanding the foregoing, in no event shall Sierra Wireless and/or its affiliates
aggregate liability arising under or in connection with the Sierra Wireless product,
regardless of the number of events, occurrences, or claims giving rise to liability, be in
excess of the price paid by the purchaser for the Sierra Wireless product.
Rev 3 Sep.18
41112607
Preface
Patents
This product may contain technology developed by or for Sierra Wireless Inc. This
product is manufactured or sold by Sierra Wireless Inc. or its affiliates under one or
more patents licensed from MMP Portfolio Licensing.
Copyright
Trademarks
©2018 Sierra Wireless. All rights reserved.
Sierra Wireless®, AirPrime®, AirLink®, AirVantage® and the Sierra Wireless logo are
registered trademarks of Sierra Wireless, Inc.
Windows® and Windows Vista® are registered trademarks of Microsoft Corporation.
The Bluetooth® word mark and logos are registered trademarks owned by the
Bluetooth SIG, Inc. and any use of such marks by Sierra Wireless is under license.
Other trademarks are the property of their respective owners.
Contact
Information
Sales information and technical
support, including warranty and returns
Web: sierrawireless.com/company/contact-us/
Global toll-free number: 1-877-687-7795
6:00 am to 5:00 pm PST
Corporate and product information
Web: sierrawireless.com
Revision
History
Revision
number
Release date
Changes
July 2018
Document created
July 2018
Updated Integrated PIFA gain
September 2018
Updated Regulatory text
Updated Wi-Fi Radio Generic Radio Characteristics table values
Updated Bluetooth Radio Generic Radio Characteristics table values
Rev 3 Sep.18
41112607
Contents
1: Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.1 Module Variants . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2 General RF/Software Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2.1 Wi-Fi . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2.2 Bluetooth . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
1.2.3 Interfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.2.4 Configuration Utility . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.3 General Hardware Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
1.3.1 Physical Dimensions and Connection Interface . . . . . . . . . . . . . . . . . . . . . . . .7
2: Functional Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
2.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9
3: Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.1 Environmental . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.2 Power Supply Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.3 Power Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
3.4 RF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4.1 Generic Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
3.4.2 Wi-Fi Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.4.3 Bluetooth Radio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
3.5 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5.1 Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4: Interfaces Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.2 UART . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
4.3 ADC/Voltage Measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
4.4 I2C Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
4.4.1 Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
4.5 I2S Interface (Digital Audio) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
4.6 General Purpose Input/Output (GPIO) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Rev 3 Sep.18
41112607
Contents
4.7 Bootstrap Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
4.8 SPI Bus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
4.9 Secure Digital IO (SDIO) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
4.10 Module Enable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4.11 PWM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5: General Layout Recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6: Regulatory Compliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.1 United States . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
6.2 Canada . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
7: Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
7.1 Pin Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7.2 Pin Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8: References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8.1 Web Site Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
8.2 Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9: Abbreviations
Rev 3 Sep.18
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
41112607
1
1: Introduction
This document defines and illustrates the AirPrime BX310x (BX3100, BX3105) Wi-Fi/
BT Host-less module’s high-level product features, interfaces, and hardware features
(including electrical and mechanical performance criteria).
1.1 Module Variants
AirPrime BX310x module variants include:
• AirPrime BX3100—External antenna connection
• AirPrime BX3105—Embedded antenna
1.2 General RF/Software Features
The AirPrime BX310x is a low-power, small form-factor self-contained Wi-Fi/
Bluetooth® (Wi-Fi/BT) module.
With an embedded software suite, the BX310x is an ideal solution for developers who
want to quickly and cost-effectively integrate Wi-Fi/BT functionality into their products.
The following table summarizes the module’s supported wireless frequencies and
modes:
Table 1-1: Supported RF Frequencies
Technology
Wi-Fi
RF band
2.4GHz (2.400–2.485 GHz)
Bluetooth
Notes
•
•
802.11b/g/n/e/i
Max data rate—MCS7 HT40 150 Mbps
•
v4.2 BR/EDR and BLE compliant
1.2.1 Wi-Fi
The AirPrime BX310x supports 2.4 GHz Wi-Fi operation. Key features include:
• TCP/IP
• 802.11 b/g/n/e/i
• Connection methods—BSS STA, SoftAP
• Transmit power—Adjustable, up to 20 dBm (maximum)
For a list of additional supported Wi-Fi functionality, protocols, and features, see
Features on page 9.
1.2.2 Bluetooth
The AirPrime BX310x supports 2.4 GHz Bluetooth classic and BLE operation. Key
features include:
• Bluetooth v4.2 BR/EDR and BLE compliant
• SPP (Serial Port Profile)
For a list of additional supported Bluetooth functionality, protocols, and features, see
Features on page 9.
Rev 3 Sep.18
41112607
Introduction
1.2.3 Interfaces
The AirPrime BX310x provides the following interfaces and peripheral connectivity:
• Power supply—See Power Supply Ratings on page 11.
• RF—See RF on page 12.
• UART serial link—See UART on page 15.
• ADC/Voltage measurement—See ADC/Voltage Measurement on page 16.
• I2C—See I2C Interface on page 17.
• Digital audio (I2S)—See I2S Interface (Digital Audio) on page 18.
• GPIOs—See General Purpose Input/Output (GPIO) on page 18.
• SPI bus—See SPI Bus on page 20.
• SDIO—See Secure Digital IO (SDIO) Interface on page 21.
• Module enable—See Module Enable on page 22.
• PWM—See PWM on page 22.
1.2.4 Configuration Utility
The AirPrime BX310x includes a browser-based utility for device configuration. For
usage details, refer to [1] AirPrime BX310x AT Command Reference available at
source.sierrawireless.com.
1.3 General Hardware Features
1.3.1 Physical Dimensions and Connection
Interface
AirPrime BX310x modules are compact, robust, fully shielded and laser-marked
modules with the dimensions noted in Table 1-2.
Table 1-2: AirPrime BX310x Dimensions a
Nominal
BX3100 b
BX3105
Tolerance
Units
Length
11.5
13.5
±0.10
mm
Width
9.5
11.5
±0.10
mm
Thickness
2.4
2.4
±0.20
mm
Weight
0.56
0.65
±0.10
Parameter
a. Dimensions are accurate as of the release date of this document.
b. BX3100 is a CF3 xSmall module, which belongs to the Common Flexible Form Factor (CF3)
family of WWAN modules
The AirPrime BX310x module is an LGA form factor device. All electrical and
mechanical connections are made through the 70 Land Grid Array (LGA) pads on the
bottom side of the PCB. (See Figure 7-1 on page 28 for details.)
Rev 3 Sep.18
41112607
Hardware Integration Guide
The LGA pads have the following distribution:
Table 1-3: LGA Pad Types
Pad Type / Quantity
Signal Pads
54 outer pads
Ground Pads 16 inner pads
Rev 3 Sep.18
Dimensions
Pitch
0.75x0.35 mm
0.65 mm
1.0x1.0 mm
1.83 mm/1.48 mm
41112607
2
2: Functional Specifications
2.1 Features
Table 2-1 summarizes the AirPrime BX310x module’s RF (Wi-Fi and Bluetooth),
Power, software, and hardware capabilities.
Note: Table contents are preliminary and subject to change.
Table 2-1: AirPrime BX310x Capabilities
Feature
Module
Wi-Fi
Description
•
•
•
•
•
•
Protocols:
· 802.11 b/g/n/e/i
· 802.11 n (2.4 GHz), up to 150 Mbps; MCS0-7 in 20/40 MHz bandwidths
· Receiving STBC (Space-time Block Code) 2x1
· 802.11 e: QoS for wireless multimedia technology
· Additional 802.11i security features (pre-authentication, TSN, etc.)
· WMM-PS, UAPSD
· A-MPDU, A-MSDU aggregation
· Block ACK (RTS/CTS/ACK/BA)
· Fragmentation/defragmentation
· CCMP (CBC-MAC, counter model), TKIP (MIC, RC4), WAPI (SMS4), WEP
(RC4), CRC
· Frame encapsulation (802.11h/RFC 1042)
· Pre-authentication, TSN
•
•
•
Supported channels—1–14
Data transfer (HTTP, HTTPS, MQTT, TCP/UDP)
Autoconnection—After device reset, automatically connects to available AP
based on previous configuration
Infrastructure BSS Station mode/SoftAP mode: AP mode, STA mode,
concurrent AP/STA mode
Up to 8a simultaneous Wi-Fi clients
IP configuration—IP address in STA mode via DHCP or static assignment
Authentication (security) modes: WPA, WPA2, WPA/WPA2, WPA2 Enterprise
UMA-compliant and certified
Open interface for various upper layer authentication schemes over EAP (e.g.
TLS, PEAP, LEAP, SIM, AKA, customer-specific)
Adaptive rate fallback algorithm
Automatic retransmission/response on slow hosts
•
•
•
•
•
•
•
•
Rev 3 Sep.18
Secure boot
Secure update
FOTA (Firmware update Over The Air)
Sierra Wireless AirVantage support
CF3-compliant footprint (BX3100)
41112607
Hardware Integration Guide
Table 2-1: AirPrime BX310x Capabilities (Continued)
Feature
Description
•
•
•
Bluetooth
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
Bluetooth v4.2 BR/EDRb and BLE compliant
Supported channels: BT Classicb —0–78; BLE—0–39
Supported v4.2 modes: BRb (Basic Rate); EDRb (Enhanced Data Rate); LE
(Low Energy)
BTb classic mandatory features
BT low-energy mandatory features
Class 1/Class 2/Class 3 transmitter without external power amplifier
Class 1 operation without external PA
Enhanced power control (>30 dB dynamic control range)
+10 dBm transmitting power
NZIF receiver with -98 dBm sensitivity
Modulation—p/4 DQPSKb, 8 DPSKb
ACLb, SCOb, eSCOb
Adaptive Frequency Hopping (AFH)
BT 4.2 controller and host stackb
Service Discover Protocol (SDP)b
General Access Profile (GAP)
Security Manage Protocol (SMP)b
Bluetooth Low Energy (BLE)
ATT/GATT
BLE Beaconb
SPPb, RFCOMM
Profiles: Wi-Fi Autoconnection—After device reset, automatically connects to
available AP based on previous configuration.
UART features: GATT profiles, Define personal services
Roles—Simultaneous Central (access point)/Peripheral (client)
Simultaneous connections:
· Up to 7a (total) simultaneous connections, including up to 3a BLE connections
· Simultaneous BT Classicb and BLE connections
PCMb/I2Sb
Configuration
Device configuration methods:
• Built-in web-based configuration utility. See Configuration Utility on page 7.
• AT commands available over UART, Wi-Fi, and BT links. Refer to [1] AirPrime
BX310x AT Command Reference at source.sierrawireless.com.
Security
•
•
•
•
All standard IEEE802.11 security features, including WFA, WPA/WPA2, WAPI
Secure boot
Flash encryption
Cryptographic hardware acceleration: AES, HASH (SHA-2) library, RSA, ECC,
Random Number Generator (RNG)
Multiple power modesb to reduce power consumption: Active, Radio off, Light sleep,
Power management Deep sleep, Hibernation
Sleep Patterns: Association sleep pattern, ULP sensor-monitored patternb
a. Subject to firmware support and RAM limitations.
b. Support pending firmware upgrade.
Rev 3 Sep.18
10
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3
3: Technical Specifications
3.1 Environmental
The environmental specifications for operation and storage of the AirPrime BX310x
are defined in Table 3-1.
Table 3-1: Environmental Specifications
Parameter
Range
Ambient Operating Temperature
-40°C to +85°C
Ambient Storage Temperature
-40°C to +105°C
(Recommended)
3.2 Power Supply Ratings
DC power is supplied via the pins described in Table 3-2 on page 11.
Note: Operation above the maximum specified operating voltage (see Table 3-8 on page 14) is
not recommended, and specified typical performance or functional operation of the device is
neither implied nor guaranteed.
Table 3-2: Power Supply Pins
Pin
Name
Voltage
Direction
Function
33
VGPIO
3.3V
Output
50
VDD_3V3_RF
2.3–3.6V
Input
RF/Analog signal power supply
51
VDD_3V3_PA
2.3–3.6V
Input
Internal Power Amplifier power supply
52
VDD_PADS_BB
2.7–3.6V
Input
Baseband/Digital I/O power supply
Supply voltage reference for
secondary I2C interface (pins 53/54)
3.3 Power Management
The AirPrime BX310x switches between several power modes to minimize current
consumption.
Light Sleep and Deep Sleep modes are enabled via AT commands from the host.
Refer to [1] AirPrime BX310x AT Command Reference for details.
Rev 3 Sep.18
11
41112607
Hardware Integration Guide
Table 3-3 describes the AirPrime BX310x’s supported power modes.
Table 3-3: Power Modes — Descriptions
Power Mode
CPU
Wi-Fi / BT
radio /
baseband
Active
On
On
On
On
Radio offa
On
Off
On
On
Pause
Off
On
On
Off
Off
On
On/Off
Connection data stored in RTC memory
Off
Off
Off
Off
Only RTC timer or specific RTC GPIOs
can wake the module.
Light sleepa
Deep sleep
Hibernatea
RTC
ULP coprocessor
Notes
Fully functional
Wake up events will wake the module.
a. Available in future firmware release.
3.4 RF
3.4.1 Generic Radio
Measurements conducted at 25C ambient temperature.
Table 3-4: Generic Radio Characteristics
Description
Min
BX3100 RF Port Impedance
Typ
Max

50
Frequency Band
2.4
BX3105 Antenna Gain
2.45
Unit
2.485
GHz
dBi
3.4.2 Wi-Fi Radio
Measurements conducted at 25C ambient temperature.
Table 3-5: Generic Radio Characteristics
Description
Min
Typ
Max
Unit
Transmit 802.11b, CCK 1 Mbps, Conducted Tx Power, EVM and Mask Compliant
14
15.5
17
dBm
Transmit 802.11g, OFDM 6 Mbps, Conducted Tx Power, EVM and Mask Compliant
14a
15.5a
17a
dBm
Transmit 802.11n, MCS0 HT20 6.5 Mbps, Conducted Tx Power, EVM and Mask Compliant
14b
15.5b
17b
dBm
Transmit 802.11n, MCS0 HT40 13.5 Mbps, Conducted Tx Power, EVM and Mask Compliant
14c
15.5c
17c
dBm
Conducted Receiver Sensitivity 11b DSSS, 1 Mbps
-98
-95
-93
dBm
Conducted Receiver Sensitivity 11b CCK, 11 Mbps
-90
-87
-84
dBm
Conducted Receiver Sensitivity 11g OFDM, 6 Mbps
-94
-91
-88
dBm
Rev 3 Sep.18
12
41112607
Technical Specifications
Table 3-5: Generic Radio Characteristics (Continued)
Description
Min
Typ
Max
Unit
Conducted Receiver Sensitivity 11g OFDM, 54 Mbps
-73
-71.5
-70
dBm
Conducted Receiver Sensitivity 11n HT20 OFDM, 72.2 Mbps
-73
-71
-69
dBm
Conducted Receiver Sensitivity 11n HT40 OFDM, 135 Mbps
-73
-71
-69
dBm
Conducted Harmonics 2F0
-42
-39
dBm
Conducted Harmonics 3F0
-54
-51
dBm
a. Channel 1&11 power is automatically reduced for FCC 15.205 band edge compliance, reduction is 2 dB.
b. Channel 1&11 power is automatically reduced for FCC 15.205 band edge compliance, reduction is 2.5 dB.
c. Channel 1&11 typical power is automatically reduced for FCC 15.205 band edge compliance, reduction is 3 dB.
3.4.3 Bluetooth Radio
Measurements conducted at 25C ambient temperature.
Table 3-6: Generic Radio Characteristics
Description
Min
Typ
Max
Unit
Transmit Power BR 1 Mbps
7.5
10.5a
dBm
Transmit Power EDR 2 Mbps
7.5
10.5
dBm
Transmit Power EDR 3 Mbps
7.5
10.5
dBm
Transmit Power LE 1 Mbps
2.5
5.5
dBm
Receiver Sensitivity BR 1 Mbps
-89
-88
-87
dBm
Receiver Sensitivity EDR 2 Mbps
-87
-86
-85
dBm
Receiver Sensitivity EDR 3 Mbps
-81
-82.5
-84
dBm
-92.5
-91
-89
dBm
Out-of-band blocking performance 30 MHz~2000 MHz
-10
dBm
Out-of-band blocking performance 2000 MHz~2400 MHz
-27
dBm
Out-of-band blocking performance 2500 MHz~3000 MHz
-27
dBm
Out-of-band blocking performance 3000 MHz~12.5 GHz
-10
dBm
Receiver Sensitivity LE 1 Mbps
a. Maximum Output power is restricted by compliance to FCC 15.205 band edge to 5.5 dBm Max.
Rev 3 Sep.18
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Hardware Integration Guide
3.5 Electrical Specifications
3.5.1 Absolute Maximum Ratings
Table 3-7: Absolute Maximum Ratings
Parameter
Min
Max
Units
VIL
Input low voltage
-0.3
0.25VIO
VIH
Input high voltage
0.75VIO
3.6
IIL
Input leakage current
50
nA
VOL
Output low voltage
0.1VIO
VOH
Output high voltage
0.8VIO
Cpad
Input pin capacitance
pF
VIO
VDD_PADS_BB
2.7
3.6
IMAX
GPIO maximum drive capability
12
mA
-40
150
C
TSTR Storage temperature range
Table 3-8: Recommended Operating Conditions
Parameter
Typ
Max
Units
VDD
Supply voltage (VDD_3V3_PA, VDD_3V3_RF)
2.3
3.3
3.6
VIO
I/O supply voltage (VDD_PADS_BB)
2.7
3.3
3.6
-40
85
C
TOPR Operating temperature range
Rev 3 Sep.18
Min
VIL
CMOS low level input voltage
0.3VIO
VIH
CMOS high level input voltage
0.7VIO
VIO
VTH
CMOS threshold voltage
0.5VIO
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4
4: Interfaces Specification
4.1 Overview
This section describes the interfaces supported by the AirPrime BX310x embedded
module and provides specific voltage, timing, and circuit recommendations for each
interface.
4.2 UART
The AirPrime BX310x provides one UART interface for asynchronous communication
between the AirPrime BX310x module and a host device (e.g. a PC or host
processor):
• UART0—4-wire, RS-232-compliant interface
Note: Up to two additional UART interfaces can be added by configuring GPIOs using AT
commands.
Flow control is managed using:
• RTS/CTS signals (This method is required for higher UART interface speeds.)
•
or
Software XON/XOFF
Table 4-1 on page 15 describes the signals used for UART0.
Table 4-1: UART0 Pins a
Pin
Interface
UART0
Name
Direction
Function
UART0_RTS
Ready To Send, flow control
UART0_CTS
Clear To Send, flow control
UART0_TXD
Transmit Data
UART0_RXD
Receive Data
Voltage Level
VDD_PADS_BB
a. If UART0 pins are not used, leave open.
Note: UART signals are named with respect to the HOST, and directions are listed with respect
to the module. For example, UART0_RXD is an output from the module to the host.
The UART interface is configurable via AT commands:
• Default configuration—115200 (baudrate), 8 bit, no parity, no handshaking
• Baudrate considerations:
·
Maximum supported—5 Mbaud
·
Maximum tested—3 Mbaud. This is the maximum baudrate supported by the
BX310x Dev Kit FTDI converter IC.
·
HW handshaking is recommended above rates of 1 Mbaud and can be
enabled via AT command (AT&K3).
Rev 3 Sep.18
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Hardware Integration Guide
·
·
·
Common baud rates are supported—any baud rate in the supported range
can be selected via AT+IPR= command. The device
automatically configures the clock dividers appropriately for the chosen baud
rate.
Baud rates are persistent post-reset.
Recommendation—Add series termination resistors close to the module in
the UART lines for management of clock harmonics. 499 resistors are
recommended.
4.3 ADC/Voltage Measurement
The AirPrime BX310x provides a general purpose ADC (Analog to Digital Converter)
input, which can sample multiple inputs configured using AT commands.
Pins VDET_1, VDET_2, SENSOR_VP, and SENSOR_VN are used to measure
single-ended analog voltages referenced to ground. The voltage on these pins is read
via an AT command.
Noise can have a large impact on sensitive voltage measurements. To improve the
accuracy of small voltage level measurements, a100 nF capacitor to ground is
recommended on the input to the VDET_1, VDET_2, SENSOR_VP, and
SENSOR_VN pins.
Table 4-2: ADC Interface Pins a
Pin
Signal name
Direction b
18
VDET_1
19
VDET_2
Function
Analog to Digital Converter
Voltage Level
VDD_PADS_BB
a. Leave open any pins that are not used.
b. Signal direction with respect to the module.
Table 4-3: Voltage-measurement GPIO Pins a
Pin
Signal Name
Direction b
31
SENSOR_VP
32
SENSOR_CAPP
34
SENSOR_CAPN
36
SENSOR_VN
Voltage level
VDD_PADS_BB
a. Leave open any pins that are not used.
b. Signal direction with respect to the module.
Access to a Hall effect sensor is supported via firmware, and is selected using AT
commands.
The sensor pins (SENSOR_VP or SENSOR_VN) will trigger an input perturbation
(glitch) lasting for 80 ns when the ADC or Hall sensor is initialized.
Rev 3 Sep.18
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Interfaces Specification
4.4 I2C Interface
The AirPrime BX310x module provides two I2C (Inter-Integrated Circuit) dedicated
serial ports (bus interface) based on [2] The I2C Bus Specification, Version 2.1,
January 2000 (Phillips Semiconductor document number 9398 393 40011).
The interfaces use the pins indicated in Table 4-4.
Table 4-4: I 2 C Interface Pins a
Pin
Signal name
Direction
Function
I2C1_SCL
I/O
Primary I2C interface
17
I2C1_SDA
I/O
Primary I2C interface
53
I2C2_SDA
I/O
Secondary I2C interface
54
I2C2_SCL
I/O
Secondary I2C interface
Voltage Level
VDD_PADS_BB
VGPIO
a. Leave open any pins that are not used.
This implementation of the I2C interface includes the following characteristics:
• Supported voltage:
·
Primary I2C (3.3 V, configurable)
·
Secondary I2C (3.3 V)
• Standard-mode interface—Data transfer rates up to 100 kbit/s
• Fast-mode interface—Data transfer rates up to 400 kbit/s)
• Master mode operation
• Addressing modes—7-bit; 10-bit; Dual addressing mode
External 2.2 k pull-up resistors must be applied to I2C signals (see Figure 4-1 on
page 17).
For I2C bus details, including I2C bus waveform and timing details, refer to the
I2C Bus Specification.
4.4.1 Application
VDD_PADS_BB
AirPrime BX310x
Wi-Fi/BT Module
I2C1_SCL
Customer
Application
2.2K
2.2K
I2C1_SDA
VGPIO
I2C2_SDA
2.2K
2.2K
I2C2_SCL
Figure 4-1: Example of I2C Bus Application
Rev 3 Sep.18
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Hardware Integration Guide
4.5 I2S Interface (Digital Audio)
Note: Interface support is forthcoming.
The AirPrime BX310x provides a 4-wire I2S (digital audio) interface that can be used
to transfer serial digital audio to or from an external stereo DAC/ADC, and supports
the following features:
• Modes—Master, Slave
• Transmission format—Full duplex, Half duplex
• Resolution (bits per frame)—8, 16, 32, 40, 48
• Channels—Input, Output
• Bit clock—10 kHz–40 MHz
• Supported audio interfaces (forthcoming)—PDM (Pulse Density Modulation),
BT PCM (Pulse Code Modulation)
The interface uses the pins indicated in Table 4-5.
Table 4-5: I2S Interface Pins a
Pin
Signal name
Direction b
Function
16
I2S_MCLK
I2S MasterClock
24
I2S_DO
I2S Data Out
25
I2S_DI
I2S Data In
26
I2S_LRCLK
I/O
I2S Left-Right Clock (Word Select)
27
I2S_BCLK
I/O
I2S Bit Clock
Voltage Level
VDD_PADS_BB
a. Leave open any pins that are not used.
b. Signal direction with respect to the module.
4.6 General Purpose Input/Output (GPIO)
The AirPrime BX310x defines several GPIOs for customer use, as described in
Table 4-6 and Table 4-7.
Note: The pins carrying the ‘Alternate function’ GPIOs are multi-function. The alternate interfaces (SDIO or SPI) can be selected via an AT command.
Table 4-6: GPIO Pins (Dedicated) a
Pin
Signal Name
Direction
Default State
14
GPIO(5)
I/O
Pull highb
35
GPIO(27)
I/O
No pullc
Function
Voltage Level
General purpose I/O VDD_PADS_BB
a. Leave open any pins that are not used.
b. Pulled high internally
c. Internal configuration—no internal pull-ups
Rev 3 Sep.18
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Interfaces Specification
Table 4-7: GPIO Pins (Alternate function) a
Pin
Signal Name
Direction
Default State
GPIO(23)
No pullb
16
GPIO(0)
Pull highc
17
GPIO(25)
No pullb
18
GPIO(34)
No pullb
19
GPIO(35)
No pullb
24
GPIO(32)
No pullb
25
GPIO(33)
No pullb
26
GPIO(18)
No pullb
27
GPIO(26)
No pullb
31
GPIO(36)
No pullb
32
GPIO(37)
34
GPIO(38)
No pullb
36
GPIO(39)
No pullb
42
GPIO(15)
Pull highc d
43
GPIO(12)
Pull lowe
44
GPIO(14)
Pull highc
45
GPIO(13)
Pull highc
46
GPIO(2)
Pull lowe
47
GPIO(4)
Pull lowe
53
GPIO(16)
No pullb
54
GPIO(17)
No pullb
No pullb
I/O
Function
Voltage Level
General purpose I/O VDD_PADS_BB
a.
b.
c.
d.
Leave open any pins that are not used.
Internal configuration—no internal pull-ups
Pulled high internally
GPIO(15) default state (pull HIGH) enables UART boot messaging. To disable UART boot messages, drive GPIO(15) LOW prior to boot.
e. Pulled low internally
4.7 Bootstrap Pins
The GPIOs listed in Table 4-8 are used as Bootstrap pins during start-up.
Rev 3 Sep.18
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Hardware Integration Guide
Table 4-8: GPIO Bootstrap Functions
GPIO
Function
Default State
Boot Source
High, Internal pull 45 k
Boot Source
High, Internal pull 45 k
SDIO Slave Timing
15 (MTDO)
12 (MTDI)
Default Function
High, Internal pull 45 k
High, Internal pull 45 k
SDIO Interface Voltage Low, Internal pull 45 k
Alternative
Boot from Internal Flash
Download to Flash (Disabled)
Rising Edge Input & Output See Table 4-9.
3.3V
1.8V (Not supported)
Table 4-9: SDIO Slave Timing Configuration
GPIO(5)
GPIO(15)
Configuration
Low
Low
Falling Edge Input & Output
Low
High
Rising Edge Input, Falling Edge Output
High
Low
Falling Edge Input, Rising Edge Output
High
High
Rising Edge Input & Output
4.8 SPI Bus
Note: Interface support is forthcoming.
The AirPrime BX310x provides one 6-wire Serial Flash SPI-compatible interface
(SPI Master).
Note: Traditional 5-wire (MOSI/MISO/SCLK/CS/SRDY) SPI Slave interface can also be
implemented over this same interface.
Table 4-10 describes the SPI interface pins for both configurations (5- and 6-wire).
Note: The pins carrying the SPI interface are multi-function. The alternate interfaces (SDIO or
GPIO) can be selected via an AT command.
Table 4-10: SPI Pin Descriptions a
Rev 3 Sep.18
Direction b
SPI Master
SPI Slave
Pin
6-Wire Signal Name
5-Wire Signal Name
Master
Slave
Function
42
HSPICS0
CS
SPI Chip Select
43
HSPIQ
MISO
MISO
44
HSPICLK
SCLK
SPI Clock
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Interfaces Specification
Table 4-10: SPI Pin Descriptions a (Continued)
Direction b
SPI Master
SPI Slave
Pin
6-Wire Signal Name
5-Wire Signal Name
Master
Slave
45
HSPID
MOSI
MOSI
46
HSPIWP
Write Protect (M)
47
HSPIHD
SRDY
Hold
Function
a. Leave open any pins that are not used.
b. Signal direction with respect to the module.
4.9 Secure Digital IO (SDIO) Interface
Note: Interface support is forthcoming.
The AirPrime BX310x defines one SDIO slave-controller interface (SD 2.0-compliant),
which supports connections to SD memory and I/O cards.
The following features are supported:
• SPI/1-bit/4-bit modes
• Data transfer rates—0–50 MHz
• Block size—Up to 512 bytes
• Interrupts—Module-initiated and host-initiated
• Module-initiated data transfer via host interrupt
• Configurable features—Sampling, driving clock edge
• Registers for direct access by host
Table 4-11 describes the signals used for SDIO.
Note: The pins carrying the SDIO interface are multi-function. The alternate interfaces (GPIO
or SPI) can be selected via an AT command.
Table 4-11: SDIO Pin Descriptions a
Pin
Signal Name
Direction
Function
42
SD_CMD
I/O
SDIO command
43
SD_DATA2
I/O
SDIO data bit 2
44
SD_CLK
SDIO clock
45
SD_DATA3
I/O
SDIO data bit 3
46
SD_DATA0
I/O
SDIO data bit 0
47
SD_DATA1
I/O
SDIO data bit 1
a. Leave open any pins that are not used.
Rev 3 Sep.18
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Hardware Integration Guide
SDIO is particularly susceptible to tracking impedance and length variations between
the SDIO tracks. Ensure that controlled impedance tracking is used, and minimize
tracking length between the module and SD slave device. Add series resistor
footprints at the host end to decrease the drive current and reduce potential
interference, and match the length of all the SD tracks to within 1 mm.
SDIO tracking can cause significant radiated interference at integer multiples of the
SD clock frequency, which can be picked up by the BX310x antenna. Bury SDIO
tracks between ground planes and ensure stitching ground vias are placed throughout
the board surrounding the SDIO tracking.
SDIO timing during the boot process is provided by GPIO(5) and GPIO(15). See
Table 4-9 on page 20 for details.
4.10 Module Enable
The AirPrime BX310x uses the ENABLE (Module Enable) signal to turn the module
on/off:
• Turn module on—Drive ENABLE high (to VDD_PADS_BB)
• Turn module off—Drive ENABLE low (to 0V)
Table 4-12: Enable Pin Description
Pin
Signal Name
Direction a
37b
ENABLE
Function
Voltage Level
Start/stop module VDD_PADS_BB
a. Signal direction with respect to the module.
b. Do not leave this pin unconnected.
To avoid a possible implementation-dependent issue where enabling/disabling Wi-Fi
functionality could cause a perturbation (glitch) on the power supply rails that impacts
module operations, a short delay (1 ms recommended) is required for the power
supply to stabilize before enabling the module.
If ENABLE is controlled by the Host, the host implements the delay (from the time the
supply is present) before driving ENABLE high.
If ENABLE is hard-wired to the supply (VDD_PADS_BB), an RC circuit (10k &
0.1uF) is required. The RC circuit will create the required delay, allowing the supply to
stabilize before ENABLE is pulled high.
Do not leave this pin unconnected.
4.11 PWM
The AirPrime BX310x supports the use of PWM functionality on GPIOs (GPIO(5) and
GPIO(27)) via AT command configuration. Refer to [1] AirPrime BX310x AT Command
Reference for details.
Rev 3 Sep.18
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5: General Layout Recommendations
In addition to specific requirements for the antenna implementation and clearance of
the BX3105 detailed in this document, good mixed-signal layout practices should be
followed:
• Avoid tracking of high frequency signals near the RF sections of the module.
• Ensure plenty of ground vias throughout the application board.
• Tightly tie ground planes together throughout the application board.
• BX3100 RF tracking to application board antenna or RF connector:
·
Use 50  impedance controlled tracks.
·
Do not track near sources of digital interference.
·
Provide continuous unbroken ground plane reference.
·
Avoid multiple layer changes.
• Supply decoupling should be placed as close to the supply pins as possible.
• Avoid long digital tracks on surface layers—they may support significant RF
harmonic content.
Rev 3 Sep.18
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6
6: Regulatory Compliance
Caution: Unauthorized modifications or changes not expressly approved by Sierra Wireless
could void compliance with regulatory rules, and thereby your authority to use this equipment.
The BX3100/BX3105 module is designed to meet the requirements of the following
regulatory bodies and regulations, where applicable:
• Federal Communications Commission (FCC) of the United States
• Innovation, Science and Economic Development Canada (ISED)
• Ministry of Internal Affairs and Communications (MIC) of Japan
• Radio Equipment Directive of the European Union
• Ministry of Industry and Information Technology (People’s Republic of China)
• The National Communications Commission (NCC) of Taiwan, Republic of China
• The National Telecommunications Agency (ANATEL)
• National Radio Research Agency (South Korea)
Note: To determine whether specific approvals have been received or to obtain the anticipated
schedule for approvals, please contact your Sierra Wireless account representative.
Upon commercial release, the following industry certification will have been obtained,
where applicable:
• Bluetooth SIG
Additional certifications and details on specific country approvals may be obtained
upon customer request — contact your Sierra Wireless account representative for
details.
Additional testing and certification may be required for the end product with an
embedded BX3100/BX3105 module and are the responsibility of the OEM. Sierra
Wireless offers professional services-based assistance to OEMs with the testing and
certification process, if required.
6.1 United States
FCC ID: N7NBX31A
The BX3100/BX3105 module has been certified by the Federal Communications
Commission under FCC ID: N7NBX31A. The BX3105 module is certified with an
on-board antenna, while the BX3100 module is certified with an external antenna.
Integrators may use the BX3100/BX3105 modules in their end products without
additional FCC certification if they meet the following conditions. Otherwise, additional
FCC approval must be obtained.
1. Only antennas of the same type and with equal or less gains as shown in
Table 6-1 may be used. Other types of antennas and/or higher gain antennas
may require additional authorization for operation.
2. The end product integrating the BX3100 module must use the RF trace design
approved with the BX3100 module. Details of the trace design can be obtained
from Sierra Wireless upon request.
3. At least 6 cm separation distance between the antenna and the user’s body, or
2.5 cm separation distance when the end product is designed or intended for use
Rev 3 Sep.18
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Regulatory Compliance
on extremities, or mainly operated in extremity-only exposure conditions, i.e.,
hands, wrists, feet and ankles, must be maintained at all times.
4. The regulatory label on the end product must include the text “Contains FCC ID:
N7NBX31A” and the following compliance statement:
This device complies with Part 15 of the FCC Rules. Operation is subject to the
following two conditions: (1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that
may cause undesired operation.
5. A user manual with the end product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current
FCC RF exposure guidelines.
6. End users must not be provided with access to configuration options to change
technical parameters of the BX3100/BX3105 module, except as permitted by the
FCC rules.
The end product with an embedded BX3100/BX3105 module may also need to meet
the requirements in FCC Part 15 Subpart B for unintentional radiators and be properly
authorized.
Table 6-1: Antenna Specifications
Module
Antenna Type
Maximum Gain
BX3105
Integrated PIFA
-1.65 dBi
Monopole
0 dBi
Dipole
2.5 dBi @ 2.4 GHz
BX3100
6.2 Canada
IC: 2417C-BX31A
This radio transmitter IC: 2417C-BX31A has been approved by Innovation, Science
and Economic Development Canada to operate with the antenna types listed below,
with the maximum permissable gain indicated. Antenna types not included in this list
that have a gain greater than the maximum gain indicated for any type listed are
strictly prohibited for use with this device.
Integrators may use the BX3100/BX3105 modules in their end products without
additional ISED certification if they meet the following conditions. Otherwise,
additional ISED approval must be obtained.
1. Only antennas of the same type and with equal or less gains as shown in
Table 6-1 may be used. Other types of antennas and/or higher gain antennas
may require additional authorization for operation.
2. The end product integrating the BX3100 module must use the RF trace design
approved with the BX3100 module. Details of the trace design can be obtained
from Sierra Wireless upon request.
3. At least 4.5 cm separation distance between the antenna and the user’s body, or
3 cm separation distance when the end product is designed or intended for use
on extremities, or mainly operated in extremity-only exposure conditions, i.e.,
hands, wrists, feet and ankles, must be maintained at all times.
Rev 3 Sep.18
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41112607
Hardware Integration Guide
4. The regulatory label on the end product must include the text “Contains
IC: 2417C-BX31A” and the following compliance statement:
This device complies with Industry Canada license-exempt RSS standard(s).
Operation is subject to the following two conditions: (1) This device may not cause
interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux
appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur
de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.
5. A user manual with the end product must clearly indicate the operating requirements and conditions that must be observed to ensure compliance with current
ISED RF exposure guidelines.
6. End users must not be provided with access to configuration options to change
technical parameters of the BX3100/BX3105 module, except as permitted by the
ISED rules.
Rev 3 Sep.18
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7
7: Pinout
The system interface of the AirPrime BX310x is through the LGA pattern on the
bottom of the PCB.
AirPrime BX310x pins are divided into three functional categories:
• Core functions and associated pins—Cover all the mandatory features for M2M
connectivity and will be available by default across all CF3 family of modules.
These Core functions are always available and always at the same physical pin
locations. A customer platform using only these functions and associated pins is
guaranteed to be forward and/or backward compatible with the next generation of
CF3 modules.
• Extension functions and associated pins—Bring additional capabilities to the
customer. Whenever an Extension function is available on a module, it is always
at the same pin location.
• Custom functions and associated pins—These are module-specific and make
use of specific chipset functions and I/Os.
Warning: Custom features should be used with caution as there is no guarantee that the
custom functions available on a given module will be available on other CF3 modules.
Pins marked as "Leave open" or "Reserved" should not be used or connected.
Rev 3 Sep.18
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Hardware Integration Guide
7.1 Pin Configuration
Figure 7-1 illustrates the pin configuration of the AirPrime BX310x module.
Figure 7-1: Pin Configuration (Bottom View)
7.2 Pin Description
Table 7-1 on page 28 lists detailed information for the LGA pins.
Important: Leave open all pins that are not used.
Table 7-1: Pin Definitions
PU/
Pin
Signal name
Group
I/O a
PD b
Active c
Function
Type d
Reserved
UART0_RTS_GPIO(22)
UART0
VDD_PADS_BB
PU
UART0 Request To Send
UART0_CTS_GPIO(19)
UART0
VDD_PADS_BB
PU
UART0 Clear To Send
UART0_TXD
UART0
VDD_PADS_BB
PU
UART0 Transmit Data
UART0_RXD
UART0
VDD_PADS_BB
PU
UART0 Receive Data
Reserved
NoConnect
Rev 3 Sep.18
NoConnect
Voltage
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Pinout
Table 7-1: Pin Definitions (Continued)
PU/
Pin
Signal name
Group
I/O a
Voltage
PD b
Active c
Function
Type d
Reserved
NoConnect
Reserved
NoConnect
GPIO(23)
GPIO
I/O
NP
SW
PUE
General Purpose I/O
VDD_PADS_BB
I2C1_SCL
I2C1
I/O
10
Reserved
NoConnect
11
Reserved
NoConnect
12
Reserved
NoConnect
13
Reserved
NoConnect
14
GPIO(5)
GPIO
I/O
VDD_PADS_BB
NP
SW
15
Reserved
NoConnect
I2S_MCLK
I2S
NP
NP
SW
General Purpose I/O
NP
SW
General Purpose I/O
PUE
Primary I2C interface—Data
NP
ADC input for voltage measurement
NP
SW
NP
NP
SW
16
Primary I2C interface—Clock
General Purpose I/O
I2S Master Clock
VDD_PADS_BB
GPIO(0)
GPIO
I/O
GPIO(25)
GPIO
I/O
17
VDD_PADS_BB
I2C1_SDA
VDET_1
I2C1
I/O
VoltMeasure
18
VDD_PADS_BB
GPIO(34)
GPIO
I/O
VDET_2
VoltMeasure
19
General Purpose I/O
ADC input for voltage measurement
VDD_PADS_BB
GPIO(35)
GPIO
I/O
20
Reserved
NoConnect
21
Reserved
NoConnect
22
Reserved
NoConnect
23
Reserved
NoConnect
I2S
PD
NP
SW
PD
NP
SW
General Purpose I/O
PD
L/H
I2S Left-Right Clock (Word Select)
NP
SW
General Purpose I/O
PD
NP
SW
I2S_DO
24
General Purpose I/O
I2S Data Out
VDD_PADS_BB
GPIO(32)
I2S_DI
GPIO
I/O
I2S
25
General Purpose I/O
I2S Data In
VDD_PADS_BB
GPIO(33)
I2S_LRCLK
GPIO
I/O
I2S
I/O
26
VDD_PADS_BB
GPIO(18)
GPIO
I/O
I2S_BCLK
I2S
I/O
27
I2S Bit Clock
VDD_PADS_BB
GPIO(26)
28
GND
29
Reserved
Rev 3 Sep.18
GPIO
I/O
Ground
0V
0V
NoConnect
29
General Purpose I/O
Ground
41112607
Hardware Integration Guide
Table 7-1: Pin Definitions (Continued)
PU/
Pin
30
Signal name
GND
GPIO(36)
Group
I/O a
Voltage
PD b
Active c
Ground
0V
0V
GPIO
I/O
NP
SW
NP
NP
SW
NP
31
GPIO(37)
VoltMeasure
GPIO
I/O
32
General Purpose I/O
ADC input for voltage measurement
General Purpose I/O
VDD_PADS_BB
SENSOR_CAPP
VoldMeasure
VGPIO
Power
GPIO(38)
GPIO
I/O
34
3.3V
ADC input for voltage measurement
Reference voltage output
General Purpose I/O
NP
SW
NP
ADC input for voltage measurement
NP
General Purpose I/O
NP
SW
General Purpose I/O
NP
ADC input for voltage measurement
Turn module on/off
VDD_PADS_BB
SENSOR_CAPN
35
Ground
VDD_PADS_BB
SENSOR_VP
33
Type d
Function
VoltMeasure
GPIO(27)
GPIO
I/O
GPIO(39)
GPIO
I/O
36
VDD_PADS_BB
VDD_PADS_BB
SENSOR_VN
VoltMeasure
37
ENABLE
Control
VDD_PADS_BB
38
Reserved
NoConnect
39
GND
Ground
0V
0V
Ground
40
RF_MAIN
RF
I/O
(BX3100) RF antenna, DC blocked
(BX3105) Leave pin unconnected
41
GND
Ground
0V
Ground
SD_CMD
SDIO
I/O
NP
SDIO Command
HSPICS0
SPI
I/O
NP
SW
SPI Chip Select
GPIO(15)
GPIO
I/O
NP
SW
General Purpose I/O
SD_DATA2
SDIO
I/O
NP
SDIO Data bit 2
SPI
I/O
NP
SW
SPI Data In
GPIO(12)
GPIO
I/O
NP
SW
General Purpose I/O
SD_CLK
SDIO
I/O
NP
SDIO Clock
HSPICLK
SPI
I/O
NP
SW
SPI Clock (output from Master)
GPIO(14)
GPIO
I/O
NP
SW
General Purpose I/O
SD_DATA3
SDIO
I/O
NP
SDIO Data bit 3
SPI
I/O
NP
SW
SPI Data Out
GPIO(13)
GPIO
I/O
NP
SW
General Purpose I/O
SD_DATA0
SDIO
I/O
NP
SDIO Data bit 0
HSPIWP
SPI
NP
SW
SPI Write Protect
GPIO(2)
GPIO
I/O
NP
SW
General Purpose I/O
42
43
44
45
46
HSPIQ
HSPID
Rev 3 Sep.18
0V
VDD_PADS_BB
VDD_PADS_BB
VDD_PADS_BB
VDD_PADS_BB
VDD_PADS_BB
30
41112607
Pinout
Table 7-1: Pin Definitions (Continued)
PU/
Group
I/O a
SDIO
I/O
HSPIHD
SPI
GPIO(4)
GPIO
I/O
48
Reserved
NoConnect
49
Reserved
NoConnect
50
VDD_3V3_RF
51
52
Pin
Signal name
SD_DATA1
47
Active c
NP
NP
Function
Type d
SW
SPI Hold
NP
SW
General Purpose I/O
Power
2.8 (Min)
3.3V (Typ)
3.6 (Max)
3.3v nominal supply for Analog/RF
VDD_3V3_PA
Power
2.8 (Min)
3.3V (Typ)
3.6 (Max)
3.3v nominal supply for Internal
Power Amplifier
VDD_PADS_BB
Power
2.7 (Min)
3.3V (Typ)
3.6 (Max)
3.3v nominal supply for Baseband
and Digital I/O
GPIO(16)
GPIO
I/O
NP
SW
General Purpose I/O
PUE
NP
SW
PUE
Primary I2C interface—Clock
Ground
VDD_PADS_BB
VGPIO
I2C2_SDA
I2C2
I/O
GPIO(17)
GPIO
I/O
54
Primary I2C interface—Data
General Purpose I/O
VDD_PADS_BB
I2C2_SCL
a.
b.
c.
d.
PD b
SDIO Data bit 1
53
G1–
G16
Voltage
Ground
I2C2
I/O
Ground
0V
0V
I/O: Signal direction with respect to the module
PU/PD: NP—No Pull; PD—Pull Down; PU—Pull Up; PUE—Pull Up External
Active: H—High; L—Low; SW—Software defined
Type: C—Core; E—Extended; K—Custom
Rev 3 Sep.18
31
41112607
8
8: References
8.1 Web Site Support
Check http://source.sierrawireless.com for the latest documentation available for the
AirPrime BX310x.
8.2 Reference Documents
[1] AirPrime BX310x AT Command Reference
Reference number: 41111445
[2] The I2C Bus Specification, Version 2.1, January 2000 (Phillips Semiconductor
document number 9398 393 40011)
Rev 3 Sep.18
32
41112607
9
9: Abbreviations
Table 9-1: Acronyms and Definitions
Acronym or term
Definition
AFH
Adaptive Frequency Rate Hopping
AP
Access Point
BLE
Bluetooth Low Energy
BR
Basic Rate
BSS
Basic Service Set
BT
Bluetooth (Classic)
EDR
Enhanced Data Rate
EDR
Enhanced Data Rate
GAP
Generic Access Profile
GAP
General Access Profile
GATT
General Attribute Profile
HTTP
Hypertext Transfer Protocol
HTTPS
Hypertext Transfer Protocol Secure
LE
Low Energy
MQTT
Message Queuing Telemetry Transport
PAN
Personal Area Network
RFCOMM
Radio Frequency Communication
SDP
Service Discover Protocol
SMP
Security Manage Protocol
SPP
Bluetooth Serial Port Profile
STA
Station (client)
UART
Universal Asynchronous Receiver-Transmitter
Wi-Fi
Wireless Networking
WPA
Wi-Fi Protected Access
WPA2
Wi-Fi Protected Access 2
WPS
Wi-Fi Protected Setup
Rev 3 Sep.18
33
41112607

---

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Title                           : AirPrime BX3100/BX3105 Wi-Fi/BT Module Hardware Integration Guide
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