w77e58 Winbond Electronics Corp America, w77e58 Datasheet - Page 38

• Manufacturer Part Number: w77e58
• Description: 8 Bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

PORT 2
AD7-0
PSEN
CLK
ALE
PORT 2
AD7-0
PSEN
CLK
ALE
C1
Instruction Fetch
A7-0
C2
C1
Address A15-8
Instruction Fetch
C3
OP-CODE
PC
C2
Figure 5. Three Cycle Instruction Timing
Figure 4. Two Cycle Instruction Timing
C4
Address A15-8
C3
C1
OP-CODE
Operand Fetch
A7-0
- 38 -
C4
C2
Address A15-8
C3
OPERAND
C1
C4
Operand Fetch
Preliminary W77E58
PC+1
C2
C1
Address A15-8
Operand Fetch
C3
A7-0
C2
Address A15-8
OPERAND
C3
OPERAND
C4
C4