The FSM of the arbiter defined in section 8.8, and reproduced in Figure 2, can cause the third device to never gain access to the bus if devices 1 and 2 request without interruption. Edit the FSM to make sure device 3 will access the bus, such as if it does a request, devices 1 and 2 will be serviced only once before granting the device 3 its request.
The FSM of the arbiter defined in section 8.8, and reproduced in Figure 2, can cause the third device to never gain access to the bus if devices 1 and 2 request without interruption. Edit the FSM to make sure device 3 will access the bus, such as if it does a request, devices 1 and 2 will be serviced only once before granting the device 3 its request.
Chapter6: System Integration And Performance
Section: Chapter Questions
Problem 12RQ
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Question
![The FSM of the arbiter defined in section 8.8, and reproduced in Figure 2, can
cause the third device to never gain access to the bus if devices 1 and 2 request
without interruption. Edit the FSM to make sure device 3 will access the bus,
such as if it does a request, devices 1 and 2 will be serviced only once before
granting the device 3 its request.
Reset
000
Idle
Охх
1xx
gnt1/g, = 1
x0x
1xx
01x
gnt2/g, =1
x1x
Xx0
001
gnt3/g3 =1
Xx1
Figure 2: Arbiter FSM described in the manual](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdc639df3-9961-4870-86ed-c5acbbabd0a7%2Fd6b9f76f-2f9f-41c2-98eb-c2e273f63545%2F8hoekig_processed.png&w=3840&q=75)
Transcribed Image Text:The FSM of the arbiter defined in section 8.8, and reproduced in Figure 2, can
cause the third device to never gain access to the bus if devices 1 and 2 request
without interruption. Edit the FSM to make sure device 3 will access the bus,
such as if it does a request, devices 1 and 2 will be serviced only once before
granting the device 3 its request.
Reset
000
Idle
Охх
1xx
gnt1/g, = 1
x0x
1xx
01x
gnt2/g, =1
x1x
Xx0
001
gnt3/g3 =1
Xx1
Figure 2: Arbiter FSM described in the manual
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