Motorola MC68340 manual Bus Arbitration State Diagram

Freescale Semiconductor, Inc.

Freescale Semiconductor, Inc...

RA + B

G T V

		AB
	STATE 0
		R A
RAB	RA	G T V
	RA
		STATE 3
		R + A

GT V

STATE 2

	R A + A
G TV
STATE 5	R	R

R A

G TV

R A

STATE 6

	RA
R - BUS REQUEST	G - BUS GRANT
A - BUS GRANT ACKNOWLEDGE	T - THREE-STATE SIGNAL TO BUS CONTROL
B - BUS CYCLE IN PROGRESS	V - BUS AVAILABLE TO BUS CONTROL

Figure 3-25. Bus Arbitration State Diagram

MOTOROLAMC68340 USER’S MANUAL3- 45

For More Information On This Product,

Go to: www.freescale.com