User manual

Connectors
6-2 AT91SAM9M10-G45-EK User Guide
6495B–ATARM–21-Apr-10
6.3 DBGU
Connector J10 is the DBGU connector.
Figure 6-3. RS232 DBGU Connector J10
Table 6-2. Serial COM1 Connector J11 Signal Descriptions
Pin Mnemonic Signal description
1, 4, 6, 9 NC NO CONNECTION
2 TXD TRANSMITTED DATA RS232 serial data output signal
3 RXD RECEIVED DATA RS232 serial data input signal
5 GND GROUND
7 RTS READY TO SEND Active-positive RS232 input signal
8 CTS CLEAR TO SEND Active-positive RS232 output signal
Table 6-3. RS232 DBGU Connector J10 Signal Descriptions
Pin Mnemonic Signal description
1, 4, 6, 7, 8, 9 NC NO CONNECTION
2 TXD TRANSMITTED DATA RS232 serial data output signal
3 RXD RECEIVED DATA RS232 serial data input signal
5 GND GROUND