W77C32F-40 Nuvoton Technology Corporation of America, W77C32F-40 Datasheet - Page 40

• Manufacturer Part Number: W77C32F-40
• Manufacturer: Nuvoton Technology Corporation of America

Specifications of W77C32F-40

• Lead Free Status / Rohs Status: Supplier Unconfirmed

PORT 0
CLK
ALE
PSEN
WR
PORT 0
PORT 2
PORT 2
PSEN
CLK
ALE
WR
MOVX Inst.
C1
C1
Address
MOVX Inst.
Address
of Previous
Last Cycle
Instruction
of Previous
A0-A7
Last Cycle
Instruction
C2
A0-A7
C2
A15-A8
Figure 9: Dada Memory Write with Stretch Value = 1
Figure 8: Data Memory Write with Stretch Value = 0
C3
MOVX Inst.
C3
A15-A8
C4
D0-D7
MOVX Inst
C4
D0-D7
C1
Machine Cycle
Next Inst.
Address
C1
C2
A0-A7
First
Machine cycle
.
Next Inst.
A15-A8
Address
C3
C2
A0-A7
Next Inst.
First
MOVX instruction cycle
C4
Read
D0-D7
C3
A15-A8
- 40 -
Next Inst. Read
MOVX instruction cycle
C1
Machine Cycle
MOVX Data
Address
C4
D0-D7
Second
A0-A7
C2
C1
C3
MOVX Data
Machine cycle
Address
A0-A7
C2
C4
Second
A15-A8
C1
Machine Cycle
C3
A15-A8
MOVX Data out
MOVX Data out
D0-D7
C2
Third
D0-D7
C4
W77C32/W77C032
C3
C1
C4
Next Instruction
Machine Cycle
A0-A7
C2
Next Instruction
C1
Machine Cycle
C2
A0-A7
C3
A15-A8
A15-A8
C3
C4
D0-D7
C4
D0-D7