MC68020 Motorola, MC68020 Datasheet - Page 83

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

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