W78IE52 Datasheet, PDF (17/22 Pages) Winbond – 8 BIT MICROCONTROLLER

Preliminary W78IE52
Timing Waveforms, continued
Data Read Cycle
XTAL1
ALE
PSEN
PORT 2
PORT 0
RD
S4 S5 S6 S1 S2 S3 S4 S5 S6 S1 S2 S3
A0-A7
T DAR
A8-A15
T DDA
DATA
T DDH, T DDZ
T DRD
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 DWD
T DAW
T DWR
- 17 -
Publication Release Date: April 20, 2005
Revision A2