MPC561MZP56 Freescale, MPC561MZP56 Datasheet - Page 569
MPC561MZP56
Manufacturer Part Number
MPC561MZP56
Description
Manufacturer
Freescale
Datasheet
1.MPC561MZP56.pdf
(1420 pages)
Specifications of MPC561MZP56
Cpu Family
MPC56x
Device Core
PowerPC
Device Core Size
32b
Frequency (max)
56MHz
Interface Type
QSPI/SCI/SPI/UART
Total Internal Ram Size
32KB
# I/os (max)
56
Number Of Timers - General Purpose
22
Operating Supply Voltage (typ)
2.6/5V
Operating Supply Voltage (max)
2.7/5.25V
Operating Supply Voltage (min)
2.5/4.75V
On-chip Adc
2(32-chx10-bit)
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
388
Package Type
BGA
Program Memory Type
ROMLess
Program Memory Size
Not Required
Lead Free Status / RoHS Status
Not Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MPC561MZP56
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC561MZP56R2
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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A queue is in the active state when a valid queue operating mode is selected, when the selected trigger
event has occurred, or when the QADC64E is performing a conversion specified by a CCW from that
queue.
Only one queue can be active at a time. Either or both queues can be in the paused state. A queue is paused
when the previous CCW executed from that queue had the pause bit set. The QADC64E does not execute
any CCWs from the paused queue until a trigger event occurs. Consequently, the QADC64E can service
queue 2 while queue 1 is paused.
Only queue 2 can be in the suspended state. When a trigger event occurs on queue 1 while queue 2 is
executing, the current queue 2 conversion is aborted. The queue 2 status is reported as suspended. Queue
2 transitions back to the active state when queue 1 becomes idle or paused.
A trigger pending state is required since both queues cannot be active at the same time. The status of queue
2 is changed to trigger pending when a trigger event occurs for queue 2 while queue 1 is active. In the
opposite case, when a trigger event occurs for queue 1 while queue 2 is active, queue 2 is aborted and the
status is reported as queue 1 active, queue 2 suspended. So due to the priority scheme, only queue 2 can
be in the trigger pending state.
There are two transition cases which cause the queue 2 status to be trigger pending before queue 2 is shown
to be in the active state. When queue 1 is active and there is a trigger pending on queue 2, after queue 1
completes or pauses, queue 2 continues to be in the trigger pending state for a few clock cycles. The
following are fleeting status conditions:
Figure 14-13
transition from queue 1 active to queue 2 active.
The queue status field is affected by the stop mode. Since all of the analog logic and control registers are
reset, the queue status field is reset to queue 1 idle, queue 2 idle.
Freescale Semiconductor
•
•
Queue 1 idle with queue 2 trigger pending
Queue 1 paused with queue 2 trigger pending
displays the status conditions of the queue status field as the QADC64E goes through the
Idle (Paused)
Idle (Paused)
Queue 1
MPC561/MPC563 Reference Manual, Rev. 1.2
Active
Active
Figure 14-13. Queue Status Transition
Trigger Pending
Trigger Pending
Queue 2
Active
Idle
QADC64E Enhanced Mode Operation
QADC64E QUEUE STATUS
14-27
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