W77C32/W77C032A
Wait State Control Signal Timing ( when Stretch = 1 )
First
Machine
Cycle
Second
Machine
Cycle
Third
Machine
Cycle
Wait-State
Cycle
MOVX Instruction
C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4
CLOCK
ALE
PSEN
ADDRESS
original rising edge
RD / WR
WAIT
sample
WAIT
Extended duration
sample WAIT
Wait State Control Signal Timing ( when Stretch = 2 )
First
Machine
Cycle
Second
Machine
Cycle
Third
Machine
Cycle
Fourth
Machine
Cycle
Wait-State
Cycle
MOVX Instruction
C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2 C3 C4 C1 C2
CLOCK
ALE
PSEN
ADDRESS
original rising edge
RD / WR
WAIT
sample
WAIT
Extended duration
sample WAIT
- 41 -
Publication Release Date: February 1, 2007
Revision A8
WINBOND [ WINBOND ]
