MCF5307CFT66B Freescale Semiconductor, MCF5307CFT66B Datasheet - Page 105
MCF5307CFT66B
Manufacturer Part Number
MCF5307CFT66B
Description
IC MPU 32BIT 66MHZ COLDF 208FQFP
Manufacturer
Freescale Semiconductor
Series
MCF530xr
Datasheets
1.MCF5307AI66B.pdf
(484 pages)
2.MCF5307AI66B.pdf
(16 pages)
3.MCF5307AI66B.pdf
(2 pages)
Specifications of MCF5307CFT66B
Core Processor
Coldfire V3
Core Size
32-Bit
Speed
66MHz
Connectivity
EBI/EMI, I²C, UART/USART
Peripherals
DMA, POR, WDT
Number Of I /o
16
Program Memory Type
ROMless
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
208-FQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Data Converters
-
Available stocks
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Part Number:
MCF5307CFT66B
Manufacturer:
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The cache supports operation of copyback, write-through, or cache-inhibited modes. The
cache lock feature can be used to guarantee deterministic response for critical code or data
areas.
A nonblocking cache services read hits or write hits from the processor while a fill (caused
by a cache allocation) is in progress. As Figure 4-2 shows, instruction and data accesses
use a single bus connected to the cache.
All addresses from the processor to the cache are physical addresses. A cache hit occurs
when an address matches a cache entry. For a read, the cache supplies data to the processor.
For a write, the processor updates the cache. If an access does not match a cache entry
(misses the cache) or if a write access must be written through to memory, the cache
performs a bus cycle on the internal bus and correspondingly on the external bus by way of
the system integration module (SIM).
The SRAM module does not implement bus snooping; cache coherency with other possible
bus masters must be maintained in software.
4.8 Cache Organization
A four-way set associative cache is organized as four ways (levels). There are 128 sets in
the 8-Kbyte cache with each line containing 16 bytes (4 longwords). Entire cache lines are
loaded from memory by burst-mode accesses that cache 4 longwords of data or
instructions. All 4 longwords must be loaded for the cache line to be valid.
Figure 4-3 shows cache organization as well as terminology used.
Processor
ColdFire
Core
Control
Address
Data
Freescale Semiconductor, Inc.
Figure 4-2. Unified Cache Organization
For More Information On This Product,
Directory Array
Address Path
Control Logic
Chapter 4. Local Memory
Go to: www.freescale.com
Cache
Data Path
Data Array
Address
Control
Data
Integration
System
Module
(SIM)
Cache Organization
Address/
External
Control
Data
Bus
4-7
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