W78E58B Winbond, W78E58B Datasheet - Page 22

• Manufacturer Part Number: W78E58B
• Description: 8 BIT MICROCONTROLLER
• Manufacturer: Winbond

11. TIMING WAVEFORMS
Program Fetch Cycle
Data Read Cycle
PORT 2
PORT 0
XTAL1
PSEN
PORT 2
PORT 0
ALE
PSEN
RD
XTAL1
ALE
Code
S4
S1
T
AAH
A0-A7
S5
A0-A7
S2
T
AAS
T
S6
T
T
DAR
S3
PDA
APL
T
PSW
Data
S1
S4
A8-A15
T
A0-A7
DDA
T
S2
T
S5
PDH,
DRD
- 22 -
T
ALW
T
S6
PDZ
S3
DATA
Code
S1
S4
T
DDH,
A0-A7
S2
S5
T
DDZ
S3
S6
Data
S4
S1
A0-A7
S5
S2
S6
W78E58B
S3