Chapter8 Communication Function
8-3
(2) 1:1 connection with a monitoring device like PMU
PMU
MK80S base unit
Pin No.
Pin assignment and direction
Pin no.
Signal
1
1
5V
2
2
RXD1
3
3
TXD1
4
4
RXD2
5
5
SG
6
6
5V
7
7
TXD2
8
8
SG
9
9
SG
1
2
3
4
5
6
7
8
9
PMU(LGIS)
K80S base unit
RS-232C interface
Female Type