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Chapter8 Communication Function
8-2
8.1.2 System configuration method
According to the method of connection, the system using MK80S built-in communication can be composed.
1) Connecting system configuration (link between MASTER-K’s)
(1)
1:1 connection with general PC
a) Communication program made by C or BASE computer language on the user’s computer, or
utility program like MMI software can be used.
b) Wiring method
PC
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
TXD1,RXD1 are for loader communication and TXD2,RXD2 are for Cnet
1
2
3
4
5
6
7
8
9
Female Type
RS-232C interface
K80S base unit