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Table 8: Pin Assignment of Debug UART Port (J604)
Pin No.
Pin Name
1
2
RS232_TXD
3
RS232_RXD
4
5
RS232_GND
6
7
8
9
3.10. Switches and Buttons
Smart EVB provides four switches (S801/S802/S803/S804) and nine buttons (S901/S902/S903
/S904/S905/S906/S907/S908/S909).
Smart_ EVB_User_Guide
I/O
Description
Not connected
O
Transmit data
I
Receive data
Not connected
Ground
Not connected
Not connected
Not connected
Not connected
Smart LTE Module Series
Smart EVB User Guide
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