Silex technology Embedded Intelligent Module SX-560 Especificaciones Pagina 19

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Figure 8 RS-232 Cable Pinouts
Table 7 RS-232 Cable Pinout Description
Pin
Description
1
DCD (Data Carrier Detect) Input*
6
DSR (Data Set Ready) Input*
2
RxD (Receive Data) Input
3
TxD (Transmit Data) Output
4
DTR (Data Terminal Ready) Output*
7
RTS (Request To Send) Output*
8
CTS (Clear To Send) Input*
5
Ground
*Note: Serial Port 1 (J3) supports all signals. Serial Port 2 (J4) supports RxD, TxD, RTS, and CTS.
Serial Port 3 (J5; dedicated console port) supports RxD and TxD only.
Using the GPIO Special Functions
Six of the General Purpose I/Os (GPIOs) can be configured for either user-defined operations or for GPIO
for special functions. These special functions are summarized in the following table:
Table 8 GPIO Special Functions
Special Function (default setting)
Description
GPIO_3
TSPICS
Enable SPI temperature sensor
GPIO_4
DTR0
Serial Port 1 DTR modem signal
GPIO_5
DSR0
Serial Port 1 DSR modem signal
GPIO_6
DCD0
Serial Port 1 DCD modem signal
GPIO_7
GRN
Green status LED (D10)
GPIO_8
YEL
Yellow status LED (D9)
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