MC68020 Motorola, MC68020 Datasheet - Page 84

• Manufacturer Part Number: MC68020
• Description: (MC68020 / MC68EC020) MICROPROCESSORS USERS MANUAL
• Manufacturer: Motorola

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