MPC561MZP56 Freescale, MPC561MZP56 Datasheet - Page 855
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
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Company:
Part Number:
MPC561MZP56
Manufacturer:
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Quantity:
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Chapter 20
Dual-Port TPU3 RAM (DPTRAM)
The dual-port RAM (DPTRAM) module with TPU3 microcode storage support consists of a control
register block and an 8-Kbyte array of static RAM, which can be used either as a microcode storage for
TPU3 or as a general-purpose memory. The MPC561/MPC563 has one DPTRAM module. The module
serves two TPU3 modules (A and B).
The DPTRAM module acts as a common memory on the IMB3 and allows the transfer of data to the two
TPU3 modules. Therefore, the DPTRAM interface includes an IMB3 bus interface and two TPU3
interfaces. When the DPTRAM is being used in microcode mode, the array is only accessible to the TPU3
via a separate local bus, and not via the IMB3.
In the MPC561/MPC563, the DPTRAM base address register (RAMBAR) must be set to a particular value
to fit into the IMB memory map of the part. The DPTRAM RAMBAR register must be programmed to
0xFFA0.
The DPTRAM module is powered by V
RAM if standby power is supplied via the IRAMSTBY pin of the MPC561/MPC563. IRAMSTBY must
be supplied by an external source.
The DPTRAM may also be used as the microcode control store for up to two TPU3 modules when placed
in a special emulation mode. In this mode the DPTRAM array may only be accessed by either or both of
the TPU3 units simultaneously via separate emulation buses, and not via the IMB3.
The DPTRAM contains a multiple input signature calculator (MISC) in order to provide RAM data
corruption checking. The MISC reads the DPTRAM address and generates a 32-bit data-dependent
signature. This signature can then be checked by the host.
20.1
Freescale Semiconductor
•
•
•
•
Eight Kbytes of static RAM
Accessible by the CPU only if neither TPU3 is in emulation mode
Low-power stop operation
— Entered by setting the STOP bit in the DPTMCR
— Does not enter low-power state while in TPU3 emulation mode for protection
TPU3 microcode mode
Features
The RCPU cannot perform instruction fetches from any module on the
IMB3 (including the DPTRAM). Only data accesses are permitted.
MPC561/MPC563 Reference Manual, Rev. 1.2
DD
in normal operation. The entire array may be used as standby
NOTE
20-1
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