Pin No
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
* These pins are only used to test the board when it is shipped from the factory. Don't use these pins for other
purposes.
Table 2.1 Serial Interface Connector Signal Pins
Signal name
GND
TxD
RxD
GND
RTS
CTS
GND
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
I/O
Remarks
-
Output
TXB(UART)
I
RXB(UART)
-
O
RTSB(UART)
I
CTSB(UART)
-
-
ISP TCK(*)
-
GND(*)
-
ISP TMS(*)
-
ISP Plug(*)
-
ISP BScan(*)
-
ISP TDI(*)
-
ISP TDO(*)
-
Vcc(3.3V) (*)
17