Functional Overview 2.4 Serial Port Interface
Rev.1.0 Feb 06. 2007 2-8
REJ10J0916-0100
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.
SH7086
DCD
RxD
TxD
DTR
GND
DSR
RTS
CTS
RI
1
2
3
4
5
6
7
8
9
NC
GND
NC
Serial Port
Connector (J3)
RS232C
Driver
PA3/RXD1
PA4/TXD1
VCC