H
ARDWARE
R
EFERENCE
G
UIDE
MICRO
-
LINE

®

C6713CPU

Date : 28 November 2005

Doc. no. : C6713CPU_HRG

Iss./Rev : 1.1

Page : 45

C9

D

standard PC RS-232 connector

Sub-D 9pin socket; fits directly into a PC

front view

5
6 9
1
TxD (connect to PC's RxD)
RTS (connect to PC's CTS)
CTS (connect to PC's RTS)
RxD (connect to PC's TxD)
GND
Figure 9: Connecting the serial interface (RS-232) to a PC