Motorola MC68020 - Long-Word Operand Write-8-Bit Port

5- 36 M68020 USER’S MANUAL MOTOROLA
BYTE WRITE
A31–A2
A1
A0
FC2–FC0
SIZ1
SIZ0
R/W
ECS
OCS
AS
DS
DSACK1
DSACK0
DBEN
D31–D24
D23–D16
D15–D8
D7–D0
LONG WORD
3-BYTE
BYTE WRITE
CLK
WORD
BYTE
BYTE WRITE
BYTE WRITE
LONG-WORD OPERAND WRITE TO 8-BIT PORT
S0
S2
S4
S0
S2
S4
S0
S2
S4
S0
S2
S4
OP0
OP3
OP2
OP1
OP1
OP3
OP3
OP1
OP2
OP3
OP2
OP2
OP3
OP3
OP3
OP3
**
**
**
*
*
For the MC68EC020, A23–A2.
This signal does not apply to the MC68EC020.
Figure 5-27. Long-Word Operand Write—8-Bit Port