Troubleshooting and Testing
3-20
48
49-53
54-56
57-59
60-64
P10
P07-
P03
P02-
P00
P37-
P35
P34-
P30
OUT
OUT
OUT
OUT
OUT
Segment data signal. Signal similar to P23.
Key strobe signal.
Signal applied to touch-key section. A pulse signal is input to P24-P27 terminal while
one of G-5 line keys on key matrix is touched.
Segment data signal.
Signal similar to P23.
Digit selection signal.
Signal similar to P55.
Digit selection signal.
Signal similar to P55.
Used for initial balancing of the bridge circuit (absolute humidity sensor).
Pin# Signal I/O Description
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