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Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

Product codes
AT91SAM9N12-EK
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Page of 68
SAM9N12/CN11-EK User Guide
4-25
11186A–ATARM–29-Nov-12
Table 4-9.  DBGU Connector J11 Signal Descriptions
4.4.4
USB MicroB
Figure 4-31.  USB Device Micro B Connector J3
Table 4-10.  USB Device Micro B Connector J3 Signal Descriptions
4.4.5
USB Type A port
Figure 4-32.  USB Type A Port J2
Pin
Mnemonic
PIO (Via translator)
Description
1, 4, 6, 9
No connection
2
RXD (Received Data)
PA9
RS232 serial data output signal
3
TXD (Transmitted Data)
PA10
RS232 serial data input signal
5
GND
Common ground
7
RTS (Request To Send)
Not used
8
CTS (Clear To Send)
Not used
Mechanical 
pins
Shield
Pin
Mnemonic
Description
1
Vbus
5V  power
2
DM
Data minus
3
DP
Data plus
4
ID
On the go identification
5
GND
Common ground
6, 7, 8, 9
Shield
Mechanical pins