MC68020 Motorola, MC68020 Datasheet - Page 287

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

MOTOROLA
SIZ1–SIZ0
FC2–FC0
**BGACK
DSACK0
*A31–A0
DSACK1
D31–D0
*For the MC68EC020, A23ÐA0.
**This signal does not apply to the MC68EC020.
NOTE:
**ECS
DBEN
OCS
CLK
R/W
AS
DS
BG
BR
Timing measurements are referenced to and from a low voltage of 0.8 V and a high voltage
of 2.0 V, unless otherwise noted. The voltage swing through this range should start outside
and pass through the range such that the rise or fall will be linear between 0.8 V and 2.0 V.
S0
Figure 10-5. Bus Arbitration Timing Diagram
S1
S2
S3
M68020 USERÕS MANUAL
39
S4
35
7
S5
16
33
39A
37
34
37A
59
58
FIGURE 10-5
MC68020UM
10-13