Motorola MC68030 - Page 182

Bus Operation
7-36 MC68030 USER’S MANUAL MOTOROLA
Figure 7-23. Long-Word Read — 16-Bit and 32-Bit Port
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
WORD READ
S0 S2 S4 S0 S2 S4
WORD READ
S0 S2 S4
OP0
OP1 OP3
OP3
LONG WORD WORD
LONG WORD READ
FROM 32- BIT PORT
OP2
OP1
OP0
OP2
LONG WORD
LONG WORD OPERAND READ FROM 16-BIT PORT