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
