LC75813E 데이터 시트보기 (PDF) - ON Semiconductor

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LC75813E

1/3, 1/4-Duty General-Purpose LCD Driver

ON Semiconductor 

2. 1/4 duty

VDD

LC75813E, 75813T

t1

t2

t3

VLCD

INH

CE

D1 to D88

Internal data P0 to P3

DR, DT, FC, SC, BU

Internal data (D89 to D176)

Display and control data transfer

Undefined

VIL

tc

VIL

Defined

Undefined

Defined

Undefined

Undefined

Internal data (D177 to D260)

Undefined

Defined

Undefined

Internal data (D261 to D344)

Undefined

Figure 4

Defined

Undefined

Notes:

t1 ≥ 0

t2 > 0

t3 ≥ 0 (t2 > t3)

tc .......10µs min.

Notes on Controller Transfer of Display Data

Since the LC75813E and LC75813T accept the display data (D1 to D261) divided into three separate transfer operations

when using 1/3 duty drive scheme and the data (D1 to D344) divided into four separate transfer operations when 1/4

duty drive, we recommend that applications transfer all of the display data within a period of less than 30 ms to prevent

observable degradation of display quality.

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