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