M38867FBA-GP View Datasheet(PDF) - MITSUBISHI ELECTRIC

Part Name

Description

MFG CO.

M38867FBA-GP

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI ELECTRIC  

MITSUBISHI MICROCOMPUTERS

3886 Group

SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

Timing diagram in memory expansion mode and microprocessor mode (2)

RD,WR

AD15–AD8

AD7–AD0

ONW

(At CPU reading)

RD

DB0–DB7

(At CPU writing)

WR

DB0–DB7

td(AH-RD)

td(AH-WR)

0.5VCC

td(AL-RD)

td(AL-WR)

0.5VCC

tWL(RD)

tWL(WR)

0.5VCC

tsu(ONW-RD)

tsu(ONW-WR)

0.8VCC

0.2VCC

tv(RD-AH)

tv(WR-AH)

tv(RD-AL)

tv(WR-AL)

th(RD-ONW)

th(WR-ONW)

0.5VCC

tSU(DB-RD)

0.8VCC

0.2VCC

th(RD-DB)

0.5VCC

td(WR-DB)

0.5VCC

tv(WR-DB)

Fig. 87 Timing diagram (3) (in memory expansion mode and microprocessor mode)

103

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