HT47C20L(2000) Просмотр технического описания (PDF) - Holtek Semiconductor

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Компоненты Описание

производитель

HT47C20L
(Rev.:2000)

8-Bit Microcontroller

Holtek Semiconductor 

Block Diagram

P B 0 /IN T

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

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

MP

M

U

D ATA

M e m o ry

X

In s tr u c tio n

D ecoder

T im in g

G e n e ra to r

O SC2

C1

C2

O SC1

RES

VDD

VSS

D o u b le

V o lta g e

V1 V2 V3

M UX

A LU

S h ifte r

STATU S

BP

ACC

LC D

M e m o ry

L C D D r iv e r

C O M 0~

COM 2

C O M 3/

S E G 19

S E G 0~

S E G 18

HT47C20L

T im e r A

M

U

X

S y s te m C lo c k

T1

R T C O u tp u t

P B 2 /T M R

T im e r B

PFD

P B 3 /P F D

A /D C lo c k

RC

T ype

A /D

C o n v e rte r

IN 0

CS0

RS0

C R T0

R T0

IN 1

CS1

RS1

R T1

R e a l T im e C lo c k

W DT

T im e B a s e

32768H z

( a lw a y s o n )

P o rt B

PB

P B 0 /IN T

PB1

P B 2 /T M R

PB3

P o rt A

PA

P A 0 /B Z

P A 1 /B Z

PA2

P A 3 /P F D

P A 4~P A 7

2

January 18, 2000

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