W78E51B Winbond, W78E51B Datasheet - Page 17

• Manufacturer Part Number: W78E51B
• Description: 8-BIT MTP MICROCONTROLLER
• Manufacturer: Winbond

Timing Waveforms, continued
Data Write Cycle
Port Access Cycle
SAMPLE
PORT 2
PORT 0
XTAL1
INPUT
XTAL1
PSEN
PORT
ALE
ALE
WR
S4
T
PDS
A0-A7
S5
T
DAW
S5
S6
T
T
PDH
DAD
S1
A8-A15
DATA OUT
T
DWR
S2
- 17 -
S3
S4
S6
T
Preliminary W78E51B
Publication Release Date: December 1998
S5
DWD
S6
S1
DATA OUT
T
PDA
S1
S2
S3
Revision A1