W79E532A Datasheet, PDF (26/78 Pages) Winbond – 8-BIT MICROCONTROLLER

W79E532A/W79L532A
CLK
ALE
PSEN
AD7-0
PORT 2
Single Cycle
C1
C2
C3
C4
A7-0
Data_ in D7-0
Address A15-8
Figure 3. Single Cycle Instruction Timing
CLK
ALE
PSEN
AD7-0
PORT 2
Instruction Fetch
C1
C2
C3
C4
Operand Fetch
C1
C2
C3
C4
PC
OP-CODE
Address A15-8
PC+1
OPERAND
Address A15-8
Figure 4. Two Cycle Instruction Timing
- 26 -