HT1647(2000) Просмотр технического описания (PDF) - Holtek Semiconductor

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Компоненты Описание

производитель

HT1647
(Rev.:2000)

4-Level Gray Scale 64
x16 LCD Controller for I/O μC

Holtek Semiconductor 

HT1647

4-Level Gray Scale LCD Controller Product Line Selection Table

HT164X

COM

SEG

*HT1642

8

32

*HT1645

8

64

HT1647

16

64

*Under development

Block Diagram

O SCO

O SCI

CS

RD

WR

DB0

DB3

VDD

VSS

BZ

BZ

C o n tro l

&

T im in g

C ir c u it

D is p la y R A M

L C D D r iv e r /

B ia s C ir c u it

T o n e F re q u e n c y

G e n e ra to r

W a tc h d o g T im e r

&

T im e B a s e G e n e r a to r

COM 0

C O M 15

SEG 0

S E G 63

V LC D

IR Q

N o te :

C S : C h ip s e le c tio n

B Z , B Z : T o n e o u tp u ts

W R , R D : W R IT E c lo c k , R E A D c lo c k

D B 0 ~ D B 3 : D a ta b u s

C O M 0 ~ C O M 1 5 , S E G 0 ~ S E G 6 3 : L C D o u tp u ts

IR Q : T im e b a s e o r W D T o v e r flo w o u tp u t

2

April 21, 2000

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