HT1609 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT1609

2×40 Channel LCD Driver

Holtek Semiconductor 

HT1609L

Pad Description

Pad No. Pad Name I/O

Description

1

Y0

O LCD driver output for channel 1

2

VEE

— LCD power supply

3~6

V1~V4

I LCD bias supply voltage for LCD driver

7

VSS

— Power supply (ground)

8

CLK1

I Clock to latch serial data on the falling edge

9

SHF1

I Shift direction selection of channel 1 shift register

10

SHF2

I Shift direction selection of channel 2 shift register

11

VDD

— Power supply ( positive )

12

CLK2

I Clock to shift serial data on the falling edge

13

DL1

I/O Data input/output of channel 1 shift register

14

DR1

I/O Data input/output of channel 1 shift register

15

DL2

I/O Data input/output of channel 2 shift register

16

DR2

I/O Data input/output of channel 2 shift register

17

ALT

I Alternate signal input for LCD driving waveform

18~57 Y40~Y79 O LCD driver outputs for channel 2

58~96 Y39~Y1 O LCD driver outputs for channel 1

(Note 1)

(Note 2)

(Note 2)

(Note 1)

Note 1: Data is processed on the clock falling or rising edge as shown in the following table.

5

25th Aug ’98

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