Motorola MC68020 - Read-Write-Read Cycles-32-Bit Port

5- 34 M68020 USER’S MANUAL MOTOROLA
WRITE
A31–A2
A1
A0
FC2–FC0
SIZ1
SIZ0
R/W
ECS
OCS
AS
DS
DSACK1
DSACK0
DBEN
D31–D0
LONG WORD
CLK
WRITE
BYTE READ
S0
S2
S4
S0
S2
S4
S0
S2
S4
S0
S2
Sw
Sw
S4
READ WITH WAIT STATES
**
**
**
*
*
For the MC68EC020, A23–A2.
This signal does not apply to the MC68EC020.
**
Figure 5-25. Read-Write-Read Cycles—32-Bit Port