MPC561MZP56 Freescale Semiconductor, MPC561MZP56 Datasheet - Page 444
![IC MPU 32BIT 56MHZ PPC 388-PBGA](/photos/12/22/122270/mpc561mzp56_sml.jpg)
MPC561MZP56
Manufacturer Part Number
MPC561MZP56
Description
IC MPU 32BIT 56MHZ PPC 388-PBGA
Manufacturer
Freescale Semiconductor
Series
MPC5xxr
Datasheet
1.MPC561MZP56.pdf
(1420 pages)
Specifications of MPC561MZP56
Core Processor
PowerPC
Core Size
32-Bit
Speed
56MHz
Connectivity
CAN, EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
64
Program Memory Type
ROMless
Ram Size
32K x 8
Voltage - Supply (vcc/vdd)
2.5 V ~ 2.7 V
Data Converters
A/D 32x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 125°C
Package / Case
388-BGA
Controller Family/series
POWER 5xx
No. Of I/o's
56
Ram Memory Size
31KB
Cpu Speed
56MHz
No. Of Timers
32
Embedded Interface Type
QSPI, SCI, UART
No. Of Pwm Channels
12
Rohs Compliant
No
Processor Series
MPC5xx
Core
PowerPC
Data Bus Width
32 bit
Data Ram Size
32 KB
Interface Type
CAN, JTAG, QSPI, SCI, SPI, UART
Maximum Clock Frequency
40 MHz
Number Of Programmable I/os
56
Number Of Timers
22
Operating Supply Voltage
2.6 V to 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
2 (10 bit, 32 Channel)
For Use With
MPC564EVB - KIT EVAL FOR MPC561/562/563/564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Lead Free Status / Rohs Status
No
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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L-Bus to U-Bus Interface (L2U)
11.6.1
The reservation protocol operates under the following assumptions:
11.6.2
The L2U is responsible for handling the effects of reservations on the L-bus and the U-bus. For the L-bus
and the U-bus, the L2U detects reservation losses.
The reservation logic in the L2U performs the following functions:
The unit for reservation is one word. A byte or half-word store request by another master will clear the
reservation flag.
A load-with-reservation request by the RPCU updates the reservation address related to a previous
load-with-reservation request and sets the reservation flag for the new location. A store-with-reservation
request by the RPCU clears the reservation flag. A store request by the RPCU does not clear the flag. A
store request by some other master to the reservation address clears the reservation flag.
If the storage reservation is lost, it is guaranteed that a store-with-reservation request by the RPCU will not
modify the storage.
The L2U does not start a store-with-reservation cycle on the U-bus if the reserved location on the U-bus
has been touched by another master. The L2U drives the reservation status back to the core.
When the reserved location in the CALRAM on the L-bus is touched by an alternate master, on the
following clock the L2U indicates to the RPCU that the reservation has been touched. On assertion of the
cancel-reservation signal, the RCPU clears the internal reservation bit. If an stwcx cycle has been issued
at the same time, the RCPU aborts the cycle. Software must check the CR0[EQ] bit to determine if the
stwcx instruction completed successfully.
Storage reservation is set regardless of the termination status (address or data phase) of the lwarx access.
Storage reservation is cleared regardless of the data phase termination status of the stwcx access if the
address phase is terminated normally.
11-8
•
•
•
•
•
•
•
•
•
•
Each processor has at most 1 reservation flag
A lwarx instruction sets the reservation flag
Another lwarx instruction by same processor clears the reservation flag related to a previous lwarx
instruction and sets again the reservation flag
A stwcx instruction by the same processor clears the reservation flag
A store instruction by the same processor does not clear the reservation flag
Some other processor (or other mechanism) store to an address with an existing reservation clears
the reservation flag
In case the storage reservation is lost, it is guaranteed that stwcx will not modify the storage
Snoops accesses to all L-bus and U-bus slaves
Holds one reservation (address) for the core
Sets the reservation flag when the RPCU issues a load-with-reservation request
Reservation Protocol
L2U Reservation Support
MPC561/MPC563 Reference Manual, Rev. 1.2
Freescale Semiconductor
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