W77C58 Datasheet, PDF (67/71 Pages) Winbond – 8 BIT MICROCONTROLLER

Preliminary W77C58
Timing Waveforms, continued
Data Memory Read Cycle
ALE
PSEN
RD
PORT 0 INSTRUCTION
IN
PORT 2
t_LLDV
t_LLAX1
t_LLWL
t_AVLL
t_AVWL1
t_RLRH
t_RLDV
t_RLAZ
ADDRESS
A0-A7
tAVDV1
tAVDV2
ADDRESS A8-A15
t_WHLH
t_RHDZ
DATA
IN
t_RHDX
ADDRESS
A0-A7
Data Memory Write Cycle
ALE
PSEN
WR
PORT 0 INSTRUCTION
IN
PORT 2
t_LLAX2
t_LLWL
t_AVLL
t_AVWL1
ADDRESS
A0-A7
t_AVDV2
t_WLWH
t_WHLH
t_QVWX
t_WHQX
DATA OUT
ADDRESS A8-A15
ADDRESS
A0-A7
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Publication Release Date: September 1999
Revision A1