HT16525 データシートの表示（PDF） - Holtek Semiconductor

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HT16525

5x8 Dot Character VFD Controller & Driver

Holtek Semiconductor 

Block Diagram

VDD

VH

VSS

TEST

RST

CS

SCK

SI

8 bit shift

register

Command

decoder

Control

Circuit

OSCI

Timing

generator1

Oscillator

DDRAM

24w x 8b

CGROM

248w x 40b

CGRAM

8w x 40b

ADRAM

24w x 2b

Address

Selector

Write

address

counter

Read

address

counter

Timing

generator2

Digit

control

Duty

control

HT16525

Segment

Driver

AD

Driver

S1

S40

AD1

AD2

P1

Port

Driver

P2

G1

Grid

Driver

G24

Rev. 1.00

2

January 18, 2012

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