AcSiP Technology AI7681H 802.11b/g/n IOT Module User Manual AI7681H SPEC Ver D

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Document Description	Users Manual
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Date Submitted	2015-05-22 00:00:00
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Document Title	Microsoft Word - AI7681H SPEC Ver.D
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Document Author:	DCC_Manager

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AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
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Product Name
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Version
Doc No
Date
Document History
Date
Revised Contents
Revised By
Version
Initial Version
Kidd
Feb 6th ,2015
Change Document Format & Specification
Kidd
Apr 17th ,2015
Change Mechanical Dimensions & Product
Kidd
Marking
Kidd
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Change Product Marking for FCC & CE
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May 19th ,2015
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Dec 9th ,2014
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
1 of 17
INDEX
1.
Description .................................................................................................................................................3
1-1. Block Diagram ...........................................................................................................................................4
1-2. Specification ..............................................................................................................................................4
2.
Electrical Characteristics ...........................................................................................................................5
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2-1. Absolute Maximum Ratings ......................................................................................................................5
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2-2. Recommended Operating Range ...............................................................................................................5
2-3. DC Characteristics .....................................................................................................................................5
2-4. RF Characteristics ......................................................................................................................................6
Pin Definition .............................................................................................................................................8
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3.
3-1. Pin Description...........................................................................................................................................8
3-2. Pin Assignment and Footprint....................................................................................................................9
3-3. Mechanical Dimensions ...........................................................................................................................10
Recommended Reflow Profile ................................................................................................................. 11
5.
Module Preparation ..................................................................................................................................12
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4.
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5-1. Handling...................................................................................................................................................12
5-2. SMT Preparation ......................................................................................................................................12
6.
Package Information ................................................................................................................................13
6-1 Product Marking ......................................................................................................................................13
6-2 Tray Dimension........................................................................................................................................14
6-3 Packing Information.................................................................................................................................15
6-4 Humidity Indicator Card ..........................................................................................................................15
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
2 of 17
1. Description
AcSiP Technology Corp. introduces a low-cost and low-power consumption IOT module, AI7681H. The
AI7681H integrate Wi-Fi single chip, which supports IEEE 802.11b/g/n stream, providing GPIO for intelligent
control, and UART interfaces for device communication.
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The AI7681H integrate chip antenna and 8Mbits flash to reduce customer platform size. And also integrate
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power manage unit for single 3.3V power source for cost effective design.
The AI7681H embedded 32-bit RISC MCU for 802.11b/g/n drivers, supplicant, TCP/IP protocol stack, and
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networking applications, can be operated in station mode and softAP mode. The AI7681H is an ideal solution for
embedded device to enable networking service with minimized design effort.
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Feature
 Small footprint：18 mm x 15 mm x 1.7 mm
 Single stream IEEE 802.11 b/g/n
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 32-bit RISC microprocessor as the host MCU
 Embedded IEEE 802.11 b/g/n drivers, supplicant, and TCP/IP stack
 Highly integrated RF PA, LNA, and RF switch
 Integrate chip antenna and 8Mbits flash
 Integrate high efficiency switching regulator for single 3.3V power source
 Security support for WFA WPA/WPA2 personal, WPS2.0, WAPI
 Operation in station mode or softAP mode
 Rich interfaces, UART and GPIOs
 RoHS & Halogen free compliant / Lead free
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
3 of 17
1-1. Block Diagram
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A simplified block diagram of the AI7681H IOT module is depicted in the figure below.
1-2. Specification
Model Name
IOT Module
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Product Description
AI7681H
Station mode：IEEE 802.11b/g/n
Network Standard
Host Interface
AP mode：IEEE 802.11b/g
UART / GPIO[0..4]
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Operation Conditions
 Storage：-40℃ ~ +85℃
Temperature
 Operating：-10℃ ~ +70℃
 Operating：10 ~ 95% (Non-Condensing)
Humidity
 Storage：5 ~ 95% (Non-Condensing)
Dimension
18 mm x 15 mm x 1.7 mm
Package
LGA
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
4 of 17
2. Electrical Characteristics
Absolute Maximum Ratings
3.3VD
3.3VD_RF
Typ.
Max.
Unit
Supply Voltage
-0.3
3.3
3.6
Supply Voltage (RF)
-0.3
3.3
3.6
Recommended Operating Range
Symbol
3.3VD
3.3VD_RF
Parameter
Supply Voltage
Supply Voltage (RF)
Min.
Typ.
Max.
Unit
2.97
3.3
3.63
2.97
3.3
3.63
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DC Characteristics
Symbol
Parameter
VIL
Input Low Voltage
VIH
Input High Voltage
Conditions
Min.
Max.
Unit
LVTTL
-0.28
0.6
2.0
3.63
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2-3.
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2-2.
Parameter
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Symbol
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2-1.
VOL
Output Low Voltage
︱IOL︱= 1.6~14mA
-0.28
0.4
VOH
Output High Voltage
︱IOH︱= 1.6~14mA
2.4
VDD+0.33
RPU
Input Pull-Up Resistance
PU=High, PD=Low
40
190
KΩ
PRD
Input Pull-Down Resistance
PU=Low, PD=High
40
190
KΩ
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
5 of 17
2-4. RF Characteristics
2-4-1. RF Characteristics for 802.11b
802.11b Transmit (Conductive)
Condition
Frequency Range
Tx Power Level
DQPSK
11MHz→22MHz
＞22MHz
Max.
Unit
Channel 13
14
16
18
dBm
-10
10
ppm
40
dBr
53
dBr
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Modulation Accuracy
Typ.
Channel 1
Frequency Tolerance
Spectral Mask
Min.
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Item
All Data Rate
802.11b Receiver (Conductive)
Item
Condition
Min. Input
Typ.
Channel 1
Max.
Max. Input Level
11Mbps PER<8%
Unit
Channel 13
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Frequency Range
Min.
-86
PER<8%
dBm
dBm
Max.
Unit
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2-4-2. RF Characteristics for 802.11g
802.11g Transmit (Conductive)
Item
Condition
Frequency Range
Tx Power Level
Min.
Channel 1
OFDM
All data rate
Channel 13
12
14
16
dBm
-10
10
ppm
-28
-30
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Frequency Tolerance
Modulation Accuracy
Typ.
dB
802.11g Receiver (Conductive)
Item
Condition
Frequency Range
Min.
Typ.
Channel 1
Min. Input
54Mbps PER<10%
Max. Input Level
PER<10%
Product Name
Version
Doc No
Date
Page
Max.
Unit
Channel 13
-74
-3.0
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
6 of 17
dBm
2-4-3. RF Characteristics for 802.11n (2.4GHz)
802.11n_HT20 Transmit (Conductive)
Item
Condition
Frequency range
Min.
Typ.
Channel 1
Tx Power Level
OFDM
Frequency Tolerance
Modulation Accuracy
All Data Rate
Max.
Unit
Channel 13
12
14
16
dBm
-10
10
ppm
-28
-30
dB
802.11n_HT40 Transmit (Conductive)
Condition
Frequency range
Min.
Typ.
Channel 3
OFDM
Unit
Channel 11
12
14
16
dBm
-10
10
ppm
-28
-30
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Tx Power Level
Max.
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Item
Frequency Tolerance
Modulation Accuracy
All Data Rate
dB
802.11n_HT20 Receiver (Conductive)
Condition
Frequency Range
Min. Input
Min.
Typ.
Max.
Unit
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Item
Channel 1
Channel 13
MCS7 PER<10%
Max. Input Level
-71
PER<10%
dBm
-3.0
dBm
Max.
Unit
802.11n_HT40 Receiver (Conductive)
Condition
Min.
Typ.
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Item
Frequency range
Channel 3
MCS7 PER<10%
Max. Input Level
PER<10%
-68
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Min. Input
Channel 11
dBm
-3.0
dBm
2-5. WLAN Current Consumption
Description
Performance
Typ.
Unit
Sleep Mode
1.1
mA
RX Active, HT40, MCS7
151
mA
RX Power Saving, DTIM=1
15
mA
RX Listen
mA
TX HT40, MCS7 @ +15dBm
210
mA
TX CCK, 11Mbps @ +19dBm
242
mA
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
7 of 17
3. Pin Definition
3-1.
Pin Description
Definition
I/O
GND
VSS
Ground Pin
GND
VSS
Ground Pin
GND
VSS
Ground Pin
3.3VD
VDD
Power Supply
GND
VSS
Ground Pin
GND
VSS
GND
VSS
RST_N
GND
VSS
10
UART_RX
RX Pin of UART Interface
11
UART_TX
TX Pin of UART Interface
12
GND
VSS
Ground Pin
13
GPIO4
I/O
Programmable Input / Output
14
GPIO3
I/O
Programmable Input / Output
GPIO2
I/O
Programmable Input / Output
GPIO1
I/O
Programmable Input / Output
GPIO0
I/O
Programmable Input / Output
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Ground Pin
External System Reset (Low：Active)
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Ground Pin
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Ground Pin
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Description
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Pin
18
GND
VSS
Ground Pin
19
NC
20
NC
21
NC
22
NC
23
GND
VSS
Ground Pin
24
3.3VD_RF
VDD
Power Supply
25
GND
VSS
Ground Pin
26
GND
VSS
Ground Pin
27
GND
VSS
Ground Pin
28~31
ePAD
VSS
Ground Pin
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
8 of 17
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Pin Assignment and Footprint
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3-2.
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
9 of 17
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Mechanical Dimensions
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3-3.
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
10 of 17
Ac
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4. Recommended Reflow Profile
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
11 of 17
5. Module Preparation
5-1.
Handling
Handling the module must wear the anti-static wrist strap to avoid ESD damage. After each module is aligned and
tested, it should be transport and storage with anti -static tray and packing. This protective package must be
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remained in suitable environment until the module is assembled and soldered onto the main board.
5-2.
SMT Preparation
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Base on reliability test result pass MRT L3 criteria, AI7681H refer to MSL3 criterion.
1. Calculated shelf life in sealed bag: 6 months at <40 degree and <90% relative humidity (RH).
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2. Peak package body temperature: 250 degree.
After bag was opened, devices that will be subjected to reflow solder or other high temperature process
must.
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A. Mounted within: 168 hours of factory conditions <30 degree / 60% RH.
B. Stored at ≦10% RH with N2 flow box.
4. Devices require baking, before mounting, if:
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A. Package bag does not keep in vacuumed while first time open.
B. Humidity Indicator Card is >10% when read at 23 ± 5 degree.
C. Expose at 3A condition over 8 hours or Expose at 3B condition over 24 hours.
5. If baking is required, devices may be baked for 12 hours at 125 ± 5 degree.
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
12 of 17
6. Package Information
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6-1 Product Marking
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
13 of 17
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Tray Dimension
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6-2
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
14 of 17
Packing Information
Humidity Indicator Card
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6-4
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6-3
Dry 乾燥
Wet
潮濕
Indicates 指示點：
5%, 10%, 60% relative humidity
5%, 10%, 60% 相對濕度
Color Change 顏色變化：
Brown Dry → Blue Wet
棕色 乾燥 → 藍色 潮濕
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
15 of 17
Federal Communication Commission Interference Statement
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This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
Part15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency
energy and, if not installed and used in accordance with the instructions, may cause harmful interference to
radio communications. However, there is no guarantee that interference will not occur in a particular installation.
If this equipment does cause harmful interference to radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the interference by one of the following
measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
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FCC Caution: Any changes or modifications not expressly approved by the party responsible for compliance
could void the user's authority to operate this equipment.
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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.
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IMPORTANT NOTE:
Radiation Exposure Statement:
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This
equipment should be installed and operated with minimum distance 20cm between the radiator & your body.
This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter.
Country Code selection feature to be disabled for products marketed to the US/CANADA
This device is intended only for OEM integrators under the following conditions:
1) The antenna must be installed such that 20 cm is maintained between the antenna and users, and
2) The transmitter module may not be co-located with any other transmitter or antenna,
3) For all products market in US, OEM has to limit the operation channels in CH1 to CH11 for 2.4G band by
supplied firmware programming tool. OEM shall not supply any tool or info to the end-user regarding to
Regulatory Domain change.
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
16 of 17
As long as 3 conditions above are met, further transmitter test will not be required. However, the OEM integrator
is still responsible for testing their end-product for any additional compliance requirements required with this
module installed
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IMPORTANT NOTE
In the event that these conditions cannot be met (for example certain laptop configurations or co-location with
another transmitter), then the FCC authorization is no longer considered valid and the FCC ID cannot be used on
the final product. In these circumstances, the OEM integrator will be responsible for re-evaluating the end
product (including the transmitter) and obtaining a separate FCC authorization.
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End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm
may be maintained between the antenna and users. The final end product must be labeled in a visible area with
the following: “Contains FCC ID: 2ADWC-AI7681H”.
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Manual Information to the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to install or
remove this RF module in the user’s manual of the end product which integrates this module.
The end user manual shall include all required regulatory information/warning as show in this manual.
Product Name
Version
Doc No
Date
Page
AI7681H
MT7681
802.11b/g/n IOT Module
901-06201
May 19th, 2015
17 of 17

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