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Serial Ports (CN12/CN11)
The SBC-370 offers two high speed NS16C550 compatible UARTs with Read/Re
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ceive 16 byte FIFO serial ports (COM1/COM2).
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CN12: Serial Port 9-pin D-sub Connector (COM1)
Pin Number Description
1 DCD
2RXD
3 TXD
4 DTR
5 GND
6 DSR
7RTS
8 CTS
9RI
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CN11: Serial Port 2x5 pin header Connector (COM2)
Pin Number Description
1 DCD
2 DSR
3RXD
4RTS
5 TXD
6 CTX
7 DTR
8RI
9 GND
10 NC
For the location of these connectors, refer to CN12 and CN11 in figure 2.
19 Board Configuration