M38073M4 Datasheet, PDF (71/74 Pages) Mitsubishi Electric Semiconductor – SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER

MITSUBISHI MICROCOMPUTERS
3807 Group
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
Timing Diagram in Memory Expansion Mode and Microprocessor Mode (TTL level input)
2.0V
0.8V
tWH( )
td( - AH)
tC( )
tWL( )
tv( - AH)
AD15 AD8
2.0V
0.8V
td( - AL)
tv( - AL)
AD7 AD0
2.0V
0.8V
td( - SYNC)
tv( - SYNC)
SYNC
2.0V
0.8V
td( - WR)
tv( - WR)
RD,WR
ONW
DB0 DB7
(At CPU reading)
DB0 DB7
(At CPU writing)
tSU(ONW - )
2.4V
0.45V
2.0V
0.8V
td( - DB)
2.0V
0.8V
tSU(DB- )
2.4V
0.45V
th( - ONW )
th( - DB)
tv( - DB)
Timing Diagram in Microprocessor Mode
RESET
0.8VCC
0.2VCC
RESETOUT
td(RESET- RESETOUT)
2.0V
0.8V
2.0V
0.8V
tv( - RESETOUT)
Fig. 68 Timing diagram (4) (in memory expansion mode and microprocessor mode)
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