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2.2 Pin Configuration
Pin Assignment
Pin Functions
No Pin Name
1 GND
1
2 GPIO4
1
3 GPIO5
4 NC
5 NC
6 NC
7 3.3 V
8 3.3 V
9 UART1 CTS
10 UART1 RTS
11 UART1 TXD
12 UART1 RXD
13 NC
14 GND
15 GND
1
All GPIOs are initially set to output with low level
Product Specification Rev. 1.1
Pin Type
Description
Ground Pin
Connect to ground
Digital I/O
Digital I/O #4
Digital I/O
Digital I/O #5
NC
Do not connect
NC
Do not connect
NC
Do not connect
Power
3.0 V-3.6 V power supply connection (typical 3.3 V)
Power
3.0 V-3.6 V power supply connection (typical 3.3 V)
Digital In
CTSn for UART1 (using hardware flow control)
Digital Out
RTSn for UART1 (using hardware flow control)
Digital Out
TXD for UART1
Digital In
RXD for UART1
NC
Do not connect
Ground Pin
Connect to ground
Ground Pin
Connect to ground
PAN9420 Wi-Fi Module
2 Overview
Page 8
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