MPC561MZP56 Freescale, MPC561MZP56 Datasheet - Page 221
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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In case of a BTB hit, the impact of instruction decompression latency (in compressed mode) is eliminated
as well as a latency of instruction storage memory device.
Freescale Semiconductor
•
•
BTE Miss — The target address and instruction code data will be stored in one of the BTE entries
defined by its control logic. Up to four instructions and their corresponding addresses subsequent
to the COF target instruction may be saved in each BTE entry. The number of valid instructions
currently stored in the BTE entry is written into the VDC field of the current BTE entry. The valid
flag is set at the end of this process. The entry to be replaced upon miss is chosen based on FIFO
replacement method. Thus the BTB can support up to eight different branch target addresses in a
program loop.
BTE Hit — When the target address of a branch matches one of the valid BTE entries, two
activities take place in parallel:
— The BTB supplies all the valid instructions in the matched entry to the RCPU.
— The BIU starts to prefetch new instructions (and ICDU decompresses them in compressed
mode) from the address following the last instruction that is stored in the matched BTB entry.
The BBC will supply these new instructions to the RCPU after all the stored instructions in the
matched BTB entry were delivered.
MPC561/MPC563 Reference Manual, Rev. 1.2
Burst Buffer Controller 2 Module
4-15
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