W78C52D Datasheet, PDF (14/18 Pages) Winbond – 8-BIT MICROCONTROLLER

Preliminary W78C52D
Timing Waveforms, continued
Data Write Cycle
XTAL1
ALE
PSEN
PORT 2
PORT 0
WR
S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3
A0-A7
A8-A15
DATA OUT
T_DAD
T DAW
T DWR
T DWD
Port Access Cycle
XTAL1
ALE
PORT
INPUT
SAMPLE
S5
TPDS
TPDH
S6
S1
T PDA
DATA OUT
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