Atmel SAMA5D3 EK Series - RS232 Connector with RTSCTS Handshake Support; DAA RJ11 Socket (6 P4 C)

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SAMA5D3x-EK User Guide [USER GUIDE]
11180B–ATARM–29-Oct-13
5.4.7 RS232 Connector with RTS/CTS Handshake Support
Figure 5-30. USART1 Connector J8
5.4.8 DAA RJ11 Socket (6P4C)
Figure 5-31. DAA RJ11 Socket J16
Table 5-10. USART Connector J8 Signal Descriptions
Pin Mnemonic PIO Signal Description
1, 4, 6, 9 No connection
2 RXD (Received Data) PB28 RS232 serial data output signal
3 TXD (Transmitted Data) PB29 RS232 serial data input signal
5 GND Common ground
7 RTS (Request To Send) PB27 Active-positive RS232 input signal
8 CTS (Clear To Send) PB26 Active-positive RS232 output signal
Mechanical
pins
Shield