MC68020 Motorola, MC68020 Datasheet - Page 77

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

5-30
**
FC2–FC0
**
D31–D24
D23–D16
*
*
DSACK1
DSACK0
D15–D8
**
A31–A2
**
For the MC68EC020, A23–A2.
This signal does not apply to the MC68EC020.
D7–D0
DBEN
OCS
CLK
SIZ1
SIZ0
R/W
ECS
AS
DS
A0
A1
S0
Figure 5-23. Long-Word Read—16- and 32-Bit Ports
LONG WORD
WORD READ
LONG-WORD OPERAND READ FROM 16-BIT PORT
S2
S4
OP1
OP0
M68020 USER’S MANUAL
S0
WORD READ
S2
WORD
S4
OP2
OP3
S0
LONG-WORD READ
FROM 32-BIT PORT
LONG WORD
S2
S4
OP0
OP1
OP2
OP3
MOTOROLA