APU428 View Datasheet(PDF) - APLUS INTEGRATED CIRCUITS

Part Name

Description

Manufacturer

APU428

4-Bit Micro-controller With LCD Driver

APLUS INTEGRATED CIRCUITS 

APU428

Block Diagram

B1 B4

A1 A4

C1 C4

D1 D4

COM1 4

S E G 1 S E G 42

VDD1 3

S E G 41 42

B -P ort

LightA larm

S E G 37 40

A -P ort

R FC

C -P ort

ADC

S E G 33 36

D -P ort

PW M

F requency

G enerator

4-B itD ata B us

Index

M ask R O M

128 x 8 B its

Index S R A M

(H )

128 x 4 B its

LC D D river

S egm entP LA

D ata R A M

A LU

(Index (L))

128 x 4 B its

CUP 1

CUP 2

P re-D ivider

W atchdog

T im er

O scillator

6-B itP reset

T im er

C ontrol

C ircuit

8-Levels S tack

11-B itP rogram

C ounter

Instruction

D ecoder

PRO M

2048 x 16-B it

Preliminary

2

Ver. 0.0

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