w79e532 Winbond Electronics Corp America, w79e532 Datasheet - Page 31

• Manufacturer Part Number: w79e532
• Description: 8-bit Microcontroller
• Manufacturer: Winbond Electronics Corp America

PORT 0
PORT 2
PSEN
CLK
ALE
WR
PORT 0
PORT 2
PSEN
MOVX Inst.
C1
Address
CLK
ALE
WR
of Previous
Last Cycle
Instruction
A0-A7
C2
A15-A8
C3
MOVX Inst.
MOVX Inst.
C1
Address
Figure 10. Data Memory Write with Stretch Value = 2
Figure 9. Data Memory Write with Stretch Value = 1
C4
of Previous
D0-D7
Last Cycle
Instruction
A0-A7
C2
C1
A15-A8
Machine Cycle
C3
Next Inst.
Address
MOVX Inst.
A0-A7
C2
C4
First
D0-D7
A15-A8
C3
C1
Machine Cycle
Next Inst.
Next Inst.
Address
Read
C4
D0-D7
A0-A7
C2
First
A15-A8
C1
MOVX Data
C3
Machine Cycle
Address
Next Inst.
A0-A7
C2
Read
Second
C4
D0-D7
- 31 -
MOVX instruction cycle
MOVX instruction cycle
C3
C1
Machine Cycle
MOVX Data
Address
Second
A0-A7
C2
C4
C3
C1
Machine Cycle
C4
C2
Publication Release Date: November 21, 2005
Third
A15-A8
A15-A8
C1
Machine Cycle
C3
MOVX Data out
MOVX Data out
D0-D7
C2
D0-D7
Third
C4
C3
W79E532/W79L532
C1
Machine Cycle
C4
C2
Fourth
Next Instruction
C1
Machine Cycle
C3
A0-A7
C2
C4
A15-A8
C3
C1
Machine Cycle
C4
D0-D7
Instruction
A0-A7
C2
Next
A15-A8
C3
C4
D0-D7
Revision A5