MPC564MZP66 Freescale Semiconductor, MPC564MZP66 Datasheet - Page 376

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MPC564MZP66

Manufacturer Part Number
MPC564MZP66
Description
IC MCU 512K FLASH 66MHZ 388-BGA
Manufacturer
Freescale Semiconductor
Series
MPC5xxr
Datasheets

Specifications of MPC564MZP66

Core Processor
PowerPC
Core Size
32-Bit
Speed
66MHz
Connectivity
CAN, EBI/EMI, SCI, SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
56
Program Memory Size
512KB (512K x 8)
Program Memory Type
FLASH
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
For Use With
MPC564EVB - KIT EVAL FOR MPC561/562/563/564
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-

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External Bus Interface
Figure 9-27
9-36
1
2
External master will be granted external bus ownership if EARP is greater than the internal access priority.
Parked access is instruction or data access from the RCPU which is initiated on the internal bus without
requesting it first in order to improve performance.
Instruction access
External access
Parked access
illustrates the internal finite-state machine that implements the arbiter protocol.
Data access
Table 9-4. Priority Between Internal and External Masters over External Bus
Type
No Longer
Needs the Bus
MPC500 Device
BR = 1
External Device With Higher
Priority than the Current Internal
Bus Master Requests the Bus
BG = 1
BB = three
state
2
IDLE
External Master
Requests Bus
BR = 0
Figure 9-27. Internal Bus Arbitration State Machine
MPC561/MPC563 Reference Manual, Rev. 1.2
external → external/internal
Internal → external
Internal → external
Internal → external
Direction
MCU Needs
the Bus
External Master
Release Bus
Device Owner
MPC500
External
BG = 0
BB = three
state
BG = 1
BB = 0
Owner
Internal Master With Higher
Priority than the External Device
Requires the Bus
EARP (could be programmed to 0 – 7)
MPC500 Device
MPC500 Device
Still Needs
the Bus
BB = 1
Bus
MPC500
BG = 1
BB = three
state
Device
Priority
Wait
0
3
4
BB = 0
Freescale Semiconductor
1

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