W78C51D Ver la hoja de datos (PDF) - Winbond

Número de pieza

componentes Descripción

Fabricante

W78C51D

8-BIT MICROCONTROLLER

Winbond 

Preliminary W78C51D

TIMING WAVEFORMS

Program Fetch Cycle

XTAL1

S1 S2 S3 S4 S5 S6 S1 S2 S3 S4 S5 S6

ALE

PSEN

PORT 2

TAPL

TALW

TPSW

TAAS

TAAH

TPDA

TPDH, TPDZ

PORT 0

Code

A0-A7

Data A0-A7

Code A0-A7

Data A0-A7

Data Read Cycle

XTAL1

ALE

PSEN

PORT 2

PORT 0

RD

S4

S5

S6

S1

S2

S3

S4

S5

S6

S1

S2

S3

A0-A7

T DAR

A8-A15

T DDA

DATA

T DDH, T DDZ

T DRD

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Publication Release Date: January 1999

Revision A1

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