MC68030 Datasheet, PDF (189/602 Pages) Motorola, Inc – ENHANCED 32-BIT MICROPROCESSOR

Bus Operation
CLK
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
S0
S2
S4
S0
S2
S4
S0
S2
S4
LONG WORD
WORD
LONG WORD
OP0
OP2
OP0
OP1
OP3
OP1
OP2
OP2
OP2
OP3
OP3
OP3
WORD WRITE
WORD WRITE
LONG WORD OPERAND WRITE TO 16-BIT PORT
LONG WORD WRITE
TO 32-BIT PORT
Figure 7-28. Long-Word Operand Write — 16-Bit Port
MOTOROLA
MC68030 USER’S MANUAL
7-43