Motorola MC68020 - Long-Word Operand Write-16-Bit Port

MOTOROLA M68020 USER’S MANUAL 5- 37
WORD WRITE
S0
S2
S4
S0
S2
S4
CLK
A31–A2
A1
A0
FC2–FC0
SIZ1
SIZ0
R/W
ECS
OCS
AS
DS
DSACK1
DSACK0
DBEN
D31–D24
D23–D16
WORD WRITE
D15–D8
D7–D0
S0
S2
S4
OP0
OP1
OP3
OP3
LONG WORD
OP2
OP1
OP0
OP2
WORD
OP2
OP3
OP3
OP2
LONG-WORD WRITE
TO 32-BIT PORT
LONG-WORD OPERAND WRITE TO 16-BIT PORT
**
**
**
*
*
For the MC68EC020, A23–A2.
This signal does not apply to the MC68EC020.
**
LONG WORD
Figure 5-28. Long-Word Operand Write—16-Bit Port