HT1608L データシートの表示（PDF） - Holtek Semiconductor

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HT1608L

2×20 Channel LCD Driver

Holtek Semiconductor 

HT1608L

Pad No. Pad Name I/O

Description

33

CLK2

I

Shift signal for channel 1 on the falling edge and used for channel 2

when MODE is set to VSS (Note 1)

34

VSS

— Power supply (ground)

35

DL1

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

36

DR1

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

37

DL2

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

38

DR2

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

39

ALT

I Alternate signal input for LCD driving waveform

40

SHF1

I Shift direction selection of channel 1 shift register (Note 2)

41

SHF2

I Shift direction selection of channel 2 shift register (Note 2)

42

MODE

I Mode select signal of channel 2 (Note 3)

43, 44

V1, V2

I LCD bias supply voltage for channels 1 and 2

45, 46

V3, V4

I LCD bias supply voltage for channel 1

47, 48

V5, V6

I LCD bias supply voltage for channel 2

49~59

Y39~Y29 O LCD driver outputs for channel 2

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

MODE= L (VSS)

MODE= H (VDD)

5

27th Aug ’98

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