SCH200
User’s Manual
Revision Date: June. 10. 2020
15
2.9 Serial port header pin-out
Figure 9: Serial
port header pin-out
Pin
Signal Name
1
DCD
2
RXD#
3
TXD#
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
RI
10
Key(no pin)
Table 9 Serial port header pin-out
2.10 CMOS Clear Header
Figure 10: CMOS Clear Header
1-2
Clear CMOS
2-3
Normal
Table 10: CMOS Clear behavior
