W78E54B 查看數據表（PDF） - Winbond

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产品描述 (功能)

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W78E54B

8-BIT MICROCONTROLLER

Winbond 

Timing Waveforms, continued

Port Access Cycle

XTAL1

ALE

PORT

INPUT

SAMPLE

S5

TPDS

T PDH

W78E54B

S6

S1

T PDA

DATA OUT

Program Operation

P2, P1 VIH

(A15... A0) VIL

P3.6 VIH

(CE) VIL

P3.3 VIH

(OECTRL) VIL

P3.7 VIH

(OE) VIL

P0 VIH

(A7... A0) VIL

Vcp

Vpp

VIH

Program

Program

Verify

Address Stable

TAS

TPWP

TAH

TOCS

TOCH

TDH

Data In

TDS

TVPS

TOES

TDFP

D OUT

TOEV

Read Verify

Address Valid

Data Out

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