Intermec Technologies RC12BGN WLAN board User Manual RC12 users manual by Jessie KM Printer PCB

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Document ID	1488097
Application ID	j3+7nnmhXuuTJRJO8fgrBg==
Document Description	UserMan (Operation)_EHA-RC12BGN_rev. 1
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Document Type	User Manual
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Date Submitted	2011-06-22 00:00:00
Date Available	2011-06-22 00:00:00
Creation Date	2011-06-20 15:07:01
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Document Title	RC12_users manual by Jessie KM Printer PCB
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Document Author:	klim

Document Number:
XXXXX
Communications Systems Statement
of Work:
Specifications for a SDIO 802.11
b/g/n
b/g/n Wireless LAN and Bluetooth
2.1 Network Interface
Interface Land Grid
Array Module
Intermec Engineering
Revision:
10/7/2011
1 PURPOSE
This document describes the hardware design specifications of the Wireless abgn + Bluetooth option board for the
Phoenix program.
1.1 System Block Diagram
1.2 Interfaces
1.2.1 Connector to Main Board
Through a 30pin connector, right angle, 2mm pitch
Input/Output direction is referenced from the view of the option board:
•
Input: from the MLB to the option board
•
Output: from option board to MLB
Pin #
Description
I/O
Pin #
Description
I/O
5V
5V
GND
GND
GND
SD_CMD
IO
GND
SD_D0
IO
GND
10
SD_D1
IO
11
GND
12
SD_D2
IO
13
GND
14
SD_D3
IO
15
GND
16
SD_CLK
17
GND
18
GND
19
WIFI_PWR
20
BT_PWR
21
WLAN_IRQ
22
BT_RX
23
SCL
24
BT_TX
25
SDA
IO
26
BT_RTS
27
BT_IRQ
28
BT_CTS
29
GND
30
GND
1.2.2 RF Coaxial connector
RP-TNC Connector, Right Angle, Jack Bulkhead from DynaHz. MPN: 26-800x-11040.
Current MPN is 26-8003-11040.
IPN: 351-486-001
1.2.3 Interface to Galileo module
Refer to [1] “Galileo abgn System Specifications.doc”, referred as CDC doc# “636425” for the complete description
of the interface to Galileo module.
Below is an extract of the important signals to communicate to the Galileo module.
Input/Output direction is referenced from the view of the Galileo module:
•
Input: from the carrier board to Galileo
•
Output: from Galileo to carrier board
Pin #
Description
I/O
Vbat
Vbat
16
32kHz_CLK
20
VDDIO
32
VDDIO
39
BATTERY_OK
43
BT+PWR_EN
45
802.11_PWR_EN
52
2.4_5GHz_RF
I/O
61
BT_RX
62
BT_TX
63
BT_PCM_VFS
I/O
64
SD_D3
I/O
65
SD_D1
I/O
66
SD_CLK
67
SD_D2
I/O
68
WLINK_TX
74
BT_CTS
Remark
Active high
50 Ohm RF I/O
Pull-low
75
BT_PCM_VDR
Pull-low
77
SD_CMD
I/O
78
SD_D0
I/O
80
WLINK_RX
83
BT_RTS
84
N.C.
Previously BT_IRQ
85
BT_PCM_VCK
I/O
Pull-low
86
BT_PCM_VDX
floating
87
BT_EN
Active high
89
WLAN_IRQ
Active low
1.3 Power supply
The option board received a 5V power supply from the MLB. It generates from it a 3.3V/1.2A supply and a 1.8V/0.8A
used by the carrier board and the Galileo module.
1.3.1 Regulator 3.3V
From 5V, generate 3,3V power supply used by the Galileo module and the level-shifter.
1.3.2 Regulator 1.8V
From 3.3V, generate 1.8V power supply used by the Galileo module, the slow clock and the level-shifter.
1.4 Level shifter
The level shifter is used to change the 1.8V signals coming from the Galileo module to a 3.3V signals compliant with
the MLB signal requirements, and vice-versa.
The signals converted from 3.3V to 1.8V and 1.8V to 3.3V are as followed:
•
WIFI_PWR
•
WLAN_IRQ
•
BT_PWR
•
BT_RX
•
BT_TX
•
BT_RTS
•
BT_CTS
Notes:
(1) The CPU on the MLB is configured to work with 1.8V signals. In this case the SDIO signals out of the Galileo
module do not need to be modified.
(2) Provision is made to convert the CLK_32kHz and all SDIO signals via the level shifter through uncounted
resistors.
1.5 Clock
1.5.1 32kHz
Slow clock for the Galileo module
1.5.2 26MHz
Internal fast clock of the Galileo module
This document is intended for Intermec Development Engineering and System Test Engineering.
This document contains information regarding the design, development and testing of a SDIO based IEEE 802.11 bgn and
High Speed UART Bluetooth network interface MODULE based on a newly developed Intermec Wireless platform name
Galileo. This variant is named Galileo bgn
bgn
2 RC12 Overview
RC12 is an embedded wireless device platform that uses a 90 PAD Land Grid Array (LGA) form factor to allow for a low
cost solution to mount highly integrated chipsets or OEM/ODM MODULES onto Intermec products. Galileo uses
solder-down re-flow mounting only to a host MLB – there are no screws, digital or RF connectors. Test jigs are required to
operate Galileo outside of a product.
Figure 1: RC12 platform
The RC12 is an Intermec designed radio platform incorporating the MuRata WLAN/Bluetooth radio module
LBEH1Z9PFC-TEMP.
Please see reference section for data sheet. This device is a dual function IEEE 802.11 bgn
transceiver, a Bluetooth 2.1 compliant radio transceiver. The module contains independent transceivers for each radio
technology; IEEE 802.11 and Bluetooth. This variants system is capable of operating at the 2.4 GHz for the IEEE 802.11
transceiver, or 2.4 GHz band for the Bluetooth transceiver.
The MuRata MODULE is based on the following 802.11 and Bluetooth chipsets from Texas Instruments;
WL1273
Single-Chip MAC baseband processor and RF transceiver supporting 802.11 b/g/n standard
The RC12 and subsequent variants will be manufactured by Contract manufacturer. Intermec is responsible for ensuring
proper manufacturing test of the current and future designs.
2.1
IEEE802.11 transceiver description
The IEEE 802.11 transceiver is based on the Texas Instruments WL1273 single-chip IEEE 802.11bgn MAC, Baseband, and
Direct Conversion transceiver. This system functions to provide wireless LAN connectivity supporting data rates from 1
Mbps to 54 Mbps and MCS0 to MCS7 in the 2.4-GHz band. The Triquint TQP6M9002 provides RF frontend capabilities
for the 2.4 GHz. This variant only allows the 2.4 GHz transceiver to be in operation.
The Texas Instruments WL1273 employs a 4-Wire SDIO system bus interface to the HOST.
The PLATFORM uses a single antenna port for the 2.4 GHz of the IEEE transceivers.
The system provides a typical power output in the 2.4 GHz band of 17.5 dBm.
The 2.4 GHz transceiver supports data rates of 1, 2, 5.5 and 11 Mbps using CCK/DSSS and 6, 9, 12, 18, 24, 36, 48 and 54
Mbps using OFDM as per IEEE802.11-2007. Data rates MCS0 to MCS7 conform to amendment IEEE802.11n-2009.
The system is designed to only use the 20 MHz occupied BW capacity. Data rates MCS0 to MCS7 conform to amendment
IEEE802.11n-2009.
Data transmission from the IEEE transceiver is initiated by the IEEE 802.11 compliant MAC software. The source of data
to transmit can either be user supplied data (from the host systems) or network control packets (ACK’s CTS, PSPoll,
ProbeRequest etc). The transmitter is only active during the transmission of one of the packets previously mentioned.
2.2
Bluetooth transceiver description
The Bluetooth subsystem is built on the Texas Instruments BRF6450 ; a single-chip CMOS, Bluetooth® 2.1-compliant,
Enhanced Data Rate (EDR) capable, stand-alone baseband processor with an integrated 2.4-GHz transceiver. The BRF6450
transceiver uses the Bluetooth SIG standard Host Controller Interface (HCI) via 4-Wire HighSpeed UART and PCM audio
interfaces. The BRF6450 incorporates all Bluetooth 2.1 features including eSCO, AFH, and support for collaborative
coexistence with WLAN devices.
The Bluetooth transceiver uses a single independent antenna that is common with the IEEE Transceiver.
The Bluetooth transceiver is built with a Bluetooth Class 1.5 specification RF output power (approx +6 dBm, for an approx
50meter range).
The Bluetooth transceiver uses Bluetooth compliant frequency hopping spread spectrum to cover 79 channels 1 MHz wide
from 2.402 GHz to 2.481 GHz.
The Bluetooth transceiver supports Bluetooth Basic data rates of 1 Mbps (GFSK) as well as Enhanced Data Rates of 2 Mbps
(π/4-DQPSK) and 3 Mbps (8-DPSK)
Data transmission from the Bluetooth transceiver is controlled by software in the baseband processor.
2.3
Simultaneous operation
Simultaneous operation of the WL1273 and BRF6450 transmitters is not possible when WiFi is operating on 802.11bgn (2.4
GHz). While in operation, coexistence is always enabled. This arbitrates packets so that WiFi and Bluetooth packets
are alternately transmitted. That is the transmissions are time division multiplexed.
The test tool does not allow simultaneous transmitter operation of 802.11bgn or 802.11an and Bluetooth.
3 System Level Requirements
The following is a summary list of MODULE baseline requirements that are detailed in subsequent clauses.
the current 802.11 bgn implementation and will change to reflect any future updates such as 802.11n.
Table 3-1. Summary
Summary System Level Requirements
Radio
Feature
Description
Single Stream Transceiver with HT Preamble support
Data rates 1, 2, 5.5,11,
802.11bgn Physical Layer
6, 9, 12, 18, 24, 36, 48, 54, MCS0-7
2.4 GHz band
Conducted b rates
RF Power 17.0 dBm +/-1.0 dB for DSSS/CCK
2.4 GHz band
Conducted g rates
6 – 36 Mbps RF Power 13 dBm +/-1.0 dB OFDM
48 – 54 Mbps RF Power 11.5 dBm +/- 1.0 dB OFDM
MCS0 – MCS5 RF Power 13 dBm +/- 1.0 dB OFDM
MCS6 – MCS7 RF Power 11.5 dBm +/- 1.0 OFDM
Sensitivity -95dBm@1 Mbps / -70 dBm@54 Mbps
OFDM Normal (800us) and Short Guard (400us) interval
RX STBC, RIFS, and 20/40 MHz Coexitence support
RF/Antenna Interface
RF port for WiFi 2.4 GHz band
WiFi
Share RF port with Bluetooth
SDIO 4 wire interface to Host
Host Interface
Driver
Windows Mobile 6.X, Linux (Kernel 2.6) Compliant
SW architecture
Low Host Burden FullMAC SW architecture
A-MPDU (TX/RX), A-MSDU (RX), Block ACK support
802.11 MAC contained on device
Security
Capable of WPA/WPA2/802.11i
WEP/TKIP/AES encryption
Capable of CCXv4 minimum with path to CCXv5
Cisco Compliance
Coexistence
802.15.2 Coexistence with co-located Bluetooth
Supply Requirement
Low Power Operation 3.3 Vcc
Device IO I/F at 1.8Vdc
Bluetooth 2.1
Class 1.5
Conducted
GFSK 100% Duty Cycle RF Output Power = 6.5 dBm +/- 1 dB
2-EDR 100% Duty Cycle RF Output Power = 5.5 dBm +/- 1 dB
3-EDR 100 % Duty Cycle RF Output Power = 5.5 dBm +/- 1 dB
1 Mbps GFSK, 2 Mbps π/4-PSK, 3 Mbps 8-PSK
Sensitivity better than -80 dBm all data rates
Bluetooth
World-Wide Regulatory Support
2.4 to 2.4835 GHz Band,
RF/Antenna Interface
Shares antenna with WiFi
Host Interface
UART 4 wire interface to Host (RX,TX,CTS,RTS)
HCI Data rates approx 4 Mbps
Driver
Windows Mobile 6.0 BT Stack Compliant
SW architecture
Autonomous Flash based design
Coexistence
802.15.2 Coexistence with co-located WiFi
Supply Requirement
Low Power Operation 3.3 VDC
PCM Interface
Slave or Master mode 4 – Wire (IN,OUT,CLK,SYNC)
Power Management
BT_WAKE and HOST_WAKE
This reflects

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Title                           : RC12_users manual by Jessie KM Printer PCB
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Author                          : klim
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