
SD188ES/SD188EM Demonstration Board User’s Manual
2-9
1.1
Figure 2-4. DB-9 Serial Connector Pinout
P1
5 GND
4 NC
3 RXD0
2 TXD0
NC 9
RTS0 8
CTS0 7
NC 6
1 NC
P0
5 GND
4 NC
3 RXD1
2 TXD1
1 NC
NC 9
RTS1 8
CTS1 7
NC 6
Note 1
Note 2
Notes:
1.
The SD188EM serial port does not support RTS0 and CTS0 in hardware. Instead,
these signals are connected to PCS3 and PCS2.
2.
The SD188EM demonstration board has only one asynchronous serial port. The
serial port is connected to P1.
frtbook : newch2 Page 9 Monday, June 2, 1997 3:37 PM