MPC561MZP56 Freescale, MPC561MZP56 Datasheet - Page 199
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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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Part Number
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Price
Company:
Part Number:
MPC561MZP56
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Company:
Part Number:
MPC561MZP56R2
Manufacturer:
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Quantity:
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possible interrupt addresses to single-step such instructions. If this is unacceptable, other debug features
can be used. Refer to
Exception register settings.
Execution resumes at offset 0x0D00 from the base address indicated by MSR[IP].
3.15.4.12 Floating-Point Assist Exception (0x0E00)
A floating point assist exception occurs when the following conditions are true:
These conditions are summarized in the following equation:
Note that when ((MSR[FE0] | MSR[FE1]) AND FPSCR[FEX]) is set as a result of move to FPSCR, move
to MSR or rfi, a program exception is generated, rather than a floating-point assist exception.
A floating point assist exception also occurs when a tiny result is detected and the floating point underflow
exception is disabled (FPSCR[UE] = 0).
The register settings for floating-point assist exceptions are shown in
Freescale Semiconductor
1
•
•
•
Save/Restore Register 0 (SRR0)
Save/Restore Register 0 (SRR0)
Save/Restore Register 1 (SRR1)
If the exception occurs during an instruction fetch in Decompression On mode, the SRR0 register will contain a
compressed address.
Machine State Register (MSR)
A floating-point enabled exception condition is detected;
The corresponding floating-point enable bit in the FPSCR (floating point status and control
register) is set (exception enabled); and
MSR[FE0] | MSR[FE1] = 1
(MSR[FE0] | MSR[FE1]) AND FPSCR[FEX] = 1
Register Name
Register Name
Table 3-33. Register Settings following Floating-Point Assist Exceptions
Chapter 23, “Development
Table 3-32. Register Settings following a Trace Exception
1
1
MPC561/MPC563 Reference Manual, Rev. 1.2
DCMPEN
10:15
Other
Other
Bits
Bits
ME
1:4
LE
All
All
IP
Support,” for more information. See
Set to the effective address of the instruction following the
executed instruction
Cleared to 0
implementation, bit 30 of the SRR1 is never cleared, except by
loading a zero value from MSR[RI]
No change
Bit is copied from ILE
This bit is set according to (BBCMCR[EN_COMP] AND
BBCMCR[EXC_COMP])
Set to the effective address of the instruction that caused the
interrupt
Cleared to 0
Loaded from bits [16:31] of MSR. In the current
No change
Cleared to 0
Table
Description
Description
3-33.
Table 3-32
Central Processing Unit
for Trace
3-55
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