lc75700t Sanyo Semiconductor Corporation, lc75700t Datasheet - Page 7

• Manufacturer Part Number: lc75700t
• Description: Key Scan Ic
• Manufacturer: Sanyo Semiconductor Corporation

Serial Data Input
1. When CL is stopped at the low level
2. When CL is stopped at the high level
CE
CL
DI
DO
CE
CL
DI
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.
B0
B0
0
0
B1
B1
1
1
B2
B2
0
0
CCB address
CCB address
B3
B3
0
0
A0
A0
0
0
A1
A1
1
1
A2
A2
1
1
A3
0
A3
0
KC1
KC1
KC2
KC2
LC75700T
KC3 KC4 KC5 KC6
KC3 KC4 KC5 KC6
Control data
Control data
0
0
0
0
PC1
PC1
PC2 PC3 PC4
PC2 PC3 PC4
0
0
0
0
KP1 KP2
KP1 KP2
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