Winmate A831 User Manual page 26

2.5.5 JP9: External VR 2.5.5 JP9: External VR
JST-B3B-PH-KL JST-B3B-PH-KL
2.5.6 CON1, 2: COM1~COM4 2.5.6 CON1, 2: COM1~COM4
20x2 header, pitch 2.0mm 20x2 header, pitch 2.0mm
Pin No.
A831 SBC User Manual
□ □ □
1 3
Pin No.
1
2
3
SYMBOL
20 GND
18 FK NRI2
16 FK NCTS2
14 FK NRTS2
12 FK NDSR2
10 GND
8 FK NRI1
6 FK NCTS1
4 FK NRTS1
2 FK NDSR1
SYMBOL
5 Volts
VR Out
GND
Pin No. SYMBOL
19 GND
17 FK NDTR2
15 FK NSOUT2
13 FK NSIN2
11 FK NDCD2
9 GND
7 FK NDTR1
5 FK NSOUT1
3 FK NSIN1
1 FK NDCD1
16 16