MC68360ZP25L Freescale Semiconductor, MC68360ZP25L Datasheet - Page 131
MC68360ZP25L
Manufacturer Part Number
MC68360ZP25L
Description
IC MPU QUICC 25MHZ 357-PBGA
Manufacturer
Freescale Semiconductor
Datasheets
1.MC68EN360VR25L.pdf
(14 pages)
2.MC68EN360VR25L.pdf
(2 pages)
3.MC68360AI25L.pdf
(962 pages)
Specifications of MC68360ZP25L
Processor Type
M683xx 32-Bit
Speed
25MHz
Voltage
5V
Mounting Type
Surface Mount
Package / Case
357-PBGA
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Features
-
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4.6.5 Slave (Disable CPU32+) Mode Bus Arbitration
When configured in the slave mode, the QUICC follows the bus arbitration mechanism de-
scribed in 4.6 Bus Arbitration. When acting as one or more of the QUICC internal masters
(refresh cycles, IDMA, and SDMA), the QUICC will output the BR signal. Systems that in-
clude several devices that can become bus master require external circuitry to assign prior-
ities to the devices, so that when two or more external devices attempt to become bus
R A
STATE 5
RAB
G TV
R—BUS REQUEST
A—BUS GRANT ACKNOWLEDGE
B—BUS CYCLE IN PROGRESS
Figure 4-37. Bus Arbitration State Diagram
Freescale Semiconductor, Inc.
For More Information On This Product,
R A
R A
+
A
MC68360 USER’S MANUAL
Go to: www.freescale.com
RA
+
B
STATE 0
STATE 6
RA
STATE 2
G T
G T
G T V
G—BUS GRANT
T —THREE-STATE SIGNAL TO BUS CONTROL
V—BUS AVAILABLE TO BUS CONTROL
V
V
R
RA
RA
R A
+
AB
STATE 3
G T
V
R
Bus Operation
R A
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