HT82K68A Просмотр технического описания (PDF) - Holtek Semiconductor

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HT82K68A

Multimedia Keyboard Encoder 8-Bit Mask MCU

Holtek Semiconductor 

Block Diagram

P ro g ra m

ROM

P ro g ra m

C o u n te r

STAC K0

STAC K1

STAC K2

STAC K3

STAC K4

STAC K5

PC2

In te rru p t

C ir c u it

IN T C

In s tr u c tio n

R e g is te r

M P0

M

D ATA

M P1

U

X

M e m o ry

In s tr u c tio n

D ecoder

T im in g

G e n e ra to r

O SC2

O SC1

RESET

VDD

VSS

M UX

A LU

S h ifte r

STATU S

ACC

HT82K68A

fS Y S /4

TM R

TM R C

8 b it

W D TS

W D T P r e s c a le r

fS Y S /4

M

W DT

U

X

PEC PO RT E

PE

PDC PO RT D

PD

RC O SC

P E 0~P E 4

P D 0~P D 7

PCC PO RT C

PC

P C 0~P C 7

PBC

PO RT B

PB

P B 0~P B 7

PAC

PO RT A

PA

P A 0~P A 7

Rev. 1.70

2

December 26, 2005

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