W77L32 Datasheet, PDF (37/76 Pages) Winbond – 8-BIT MICROCONTROLLER

W77L32/W77L032A/W77M032A
CLK
ALE
PSEN
AD7-0
Instruction Fetch
Operand Fetch
Operand Fetch
Operand Fetch
C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4
A7-0 OP-CODE
A7-0 OPERAND
A7-0 OPERAND
A7-0 OPERAND
Port 2
Address A15-8
Address A15-8
Address A15-8
Address A15-8
Figure 6: Four Cycle Instruction Timing
Instruction Fetch Operand Fetch
Operand Fetch
Operand Fetch
Operand Fetch
C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4
CLK
ALE
PSEN
AD7-0
A7-0 OP-CODE
A7-0 OPERAND
A7-0 OPERAND
A7-0 OPERAND
A7-0 OPERAND
PORT 2 ^{Address A15-8}
Address A15-8
Address A15-8
Address A15-8
Address A15-8
Figure 7: Five Cycle Instruction Timing
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Publication Release Date: April 17, 2007
Revision A6