LC75857E View Datasheet(PDF) - ON Semiconductor

Part Name

Description

Manufacturer

LC75857E

1/3, 1/4 Duty LCD Driver with Key Input Function

ON Semiconductor 

Serial Data Output

1. When CL is stopped at the low level

LC75857E, LC75857W

CE

CL

DI

11000010

B0 B1 B2 B3 A0 A1 A2 A3

DO

X KD1 KD2

Note: B0 to B3, A0 to A3······CCB address

2. When CL is stopped at the high level

KD27 KD28 KD29 KD30 SA

Output data

X: don't care

CE

CL

DI

1100001

0

B0 B1 B2 B3 A0 A1 A2 A3

DO

X KD1 KD2 KD3

KD28 KD29 KD30 SA X

Output data

X: don't care

Note: B0 to B3, A0 to A3······CCB address

CCB address ...... 43H

KD1 to KD30........ Key data

SA........................ Sleep acknowledge data

Note: If a key data read operation is executed when DO is high, the read key data (KD1 to KD30) and sleep acknowledge data(SA) will be invalid.

No. 7980-16/39

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