USER MANUAL
COM2/ COM5/COM6: Serial port
The serial port which is Winbond I/O support is RS232 only.
CHAPTER 2
Pin №
Signal
Name
1
NDCD1A
3
NRXD1A
5
NTXD1A
7
NDTR1A
9
GND
21
HARDWARE INSTALLATION
Pin №
Signal Name
2
NDSR1A
4
NRTS1A
6
NCTS1A
8
NRI1A
10
GND