User Manual

Chapter 3. Hardware Description
3-4
Pin Signal Description
5 GND Ground
6 DSR Data Set Ready (input)
7 RTS Request to Send (Output)
8 CTS Clear to Send (Input)
9, 10 NC No Connection
◇ J1 : RS422 Full Duplex
Pin Signal Description
2 RXD+ Receive differential data positive (Input)
3 TXD+ Transmit differential data positive (Output)
6 RXD- Receive differential data negative (input)
7 TXD- Transmit differential data negative (Output)
◇ J1 85 Half : RS4 Duplex
Pin Signal Description
3 TRX+ Transmit/Receive differential data positive
7 TRX- Transmit/Receive differential data negative
◆
6-pin header connector
J3
1
VCC
VCC
NTRST
TDI
TCK TDO
TMS NRST
RDY# nRESET10
GND GND12
GPIO0
GPIO114
9
43
1
6
2
5
7
13
11
8
15 16 GPIO3
GPIO2