Serial Port Interface - Renesas Renasas Single-Chip Microcomputer SH7086 User Manual

2

2.4 Serial Port Interface

The SH7086 included in the M3A-HS86 contains a UART module. In the M3A-HS86, SCI channel 1 is connected to
Serial Port connector J3.
Figure2.4.1 shows the block diagram of serial port interface in the M3A-HS86.
Rev.1.0 Feb 06. 2007
REJ10J0916-0100
RS232C
VCC
SH7086
PA3/RXD1
PA4/TXD1
Figure2.4.1 Block Diagram of Serial Port Interface
Connector (J3)
Driver
1
NC
DCD
2
RxD
3
TxD
4
DTR
5
GND GND
6
DSR
7
RTS
8
CTS
9
NC
RI
Functional Overview
2.4 Serial Port Interface
Serial Port
2-8