Hardware Reference
The serial interface uses a
Figure 3-2 Serial connector pinout
Table 3-2 shows the signal assignment for the connector.
Table 3-2 Serial connector signal assignment
Pin | J18 | Type | Description |
|
|
|
|
1 | SER_DCD | Input | Data carrier detect |
|
|
|
|
2 | SER_RXD | Input | Receive data |
|
|
|
|
3 | SER_TXD | Output | Transmit data |
|
|
|
|
4 | SER_DTR | Output | Data terminal ready |
|
|
|
|
5 | SER_GND | Input | ground |
|
|
|
|
6 | SER_DSR | Input | Data set ready |
|
|
|
|
7 | SER_RTS | Output | Ready to send |
|
|
|
|
8 | SER_CTS | Input | Clear to send |
|
|
|
|
9 | SER_RI | Input | Ring indicator |
|
|
|
|
Note
The serial interfaces signals operate at RS232 signal levels.
Serial port functionality corresponds to the DTE configuration.
Copyright © | ARM DUI 0163B |