MCF5272VM66J Freescale Semiconductor, MCF5272VM66J Datasheet - Page 110
MCF5272VM66J
Manufacturer Part Number
MCF5272VM66J
Description
IC MCU 166MHZ 196MAPBGA
Manufacturer
Freescale Semiconductor
Series
MCF527xr
Datasheets
1.MCF5272CVF66J.pdf
(544 pages)
2.MCF5272CVF66J.pdf
(12 pages)
3.MCF5272VM66J.pdf
(44 pages)
Specifications of MCF5272VM66J
Core Processor
Coldfire V2
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, Ethernet, I²C, SPI, UART/USART, USB
Peripherals
DMA, WDT
Number Of I /o
32
Program Memory Size
16KB (4K x 32)
Program Memory Type
ROM
Ram Size
1K x 32
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
196-MAPBGA
Processor Series
MCF527x
Core
ColdFire V2
Data Bus Width
32 bit
Data Ram Size
64 KB
Interface Type
I2C, UART, Ethernet, SPI, USB, QSPI
Maximum Clock Frequency
166 MHz
Number Of Timers
4
Operating Supply Voltage
1.4 V to 1.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JLINK-CF-BDM26, EWCF
Development Tools By Supplier
NNDK-MOD5272-KIT, NNDK-MOD5270-KIT
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MCF5272VM66J
Manufacturer:
FREESCAL
Quantity:
416
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Part Number:
MCF5272VM66J
Manufacturer:
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Local Memory
4.5.2
The instruction cache is physically connected to the ColdFire core's local bus, allowing it to service all
instruction fetches from the ColdFire core and certain memory fetches initiated by the debug module.
Typically, the debug module's memory references appear as supervisor data accesses but the unit can be
programmed to generate user-mode accesses and/or instruction fetches. The instruction cache processes
any instruction fetch access in the normal manner.
4.5.2.1
Because both the instruction cache and high-speed SRAM module are connected to the ColdFire core's
local data bus, certain user-defined configurations can result in simultaneous instruction fetch processing.
If the referenced address is mapped into the SRAM module, that module services the request in a single
cycle. In this case, data accessed from the instruction cache is discarded without generating external
memory references. If the address is not mapped into SRAM space, the instruction cache handles the
request in the normal fashion.
4.5.2.2
The instruction cache does not monitor ColdFire core data references for accesses to cached instructions.
Therefore, software must maintain cache coherency by invalidating the appropriate cache entries after
modifying code segments.
4-8
31
Instruction Cache Operation
Local Address Bus
Interaction with Other Modules
Cache Coherency and Invalidation
MCF5272 ColdFire
9
43
Figure 4-3. Instruction Cache Block Diagram
1 2
0
Fill Hit
=
®
Integrated Microprocessor User’s Manual, Rev. 3
31
Line
31
Tag Hit
Tag
=
Address
9
Buffer
0
31
4
Line Buffer Data Storage
External Data[31:0]
31
MUX
Local Data Bus
Data
MUX
Freescale Semiconductor
0
0
63
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