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32176 Group
Starter Kit User’s Manual M3A-2152
REJ10B0224-0300/Rev.3.00 Jan. 2007 Page 53 of 82
2.7 General-purpose Input Port Control Circuit
The general-purpose input port control circuit is used to control the status of the M32R/ECU ports
P130–P137 by using toggle switches (S0–S7).
U1
M32R/ECU
VCC
P130
P131
P132
P133
P134
P135
P136
P137
RA7
2
1
3
S0
2
1
3
S1
2
1
3
S2
2
1
3
S3
2
1
3
S4
2
1
3
S5
2
1
3
S6
2
1
3
S7
RA5
Figure 2.7 General-purpose Input Port Control Circuit
Table 2.10 Relationship Between
Toggle Switches and Ports Table 2.11 Toggle Switch Positions
Toggle Switch Name
Corresponding
M32R/ECU Port
Lever Direction Port Input Level
S0 P130 Up High
S1 P131 Middle Open
S2 P132
Down Low
S3 P133
S4 P134
S5 P135
S6 P136
S7 P137
Up Middle
Down
Lever direction
Port input level H Open L
Figure 2.8 Toggle Switch Positions