Typewriter User Manual

MOTOROLA MC68340 USER’S MANUAL 3- 45
R
STATE 5
GTV
STATE 3
VGT
STATE 2
VGT
STATE 0
VGT
STATE 6
GTV
RAB
RA
AB
RA B
+
RA
R
RA
+
RA
RA
A
+
R - BUS REQUEST
A - BUS GRANT ACKNOWLEDGE
B - BUS CYCLE IN PROGRESS
G - BUS GRANT
T - THREE-STATE SIGNAL TO BUS CONTROL
V - BUS AVAILABLE TO BUS CONTROL
RA
RA
RA
Figure 3-25. Bus Arbitration State Diagram
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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