LC75700T
Serial Data Input
1. When CL is stopped at the low level
CE
CL
DI 0 1 0 0 0 1 1 0 KC1 KC2 KC3 KC4 KC5 KC6 0 0 PC1 PC2 PC3 PC4 0 0 KP1 KP2
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
Control data
DO
2. When CL is stopped at the high level
CE
CL
DI 0 1 0 0 0 1 1 0 KC1 KC2 KC3 KC4 KC5 KC6 0 0 PC1 PC2 PC3 PC4 0 0 KP1 KP2
B0 B1 B2 B3 A0 A1 A2 A3
CCB address
Control data
DO
• CCB address: 62H
• KC1 to KC6: Key scan output state setting data
• PC1 to PC4: General-purpose output port state setting data
• KP1, KP2: Selection data between the key scan output ports and the general-purpose output ports.
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