MCF5253CVM140J Freescale Semiconductor, MCF5253CVM140J Datasheet - Page 89

• Manufacturer Part Number: MCF5253CVM140J
• Description: IC MCU 2.1MIPS 140MHZ 225MAPBGA
• Manufacturer: Freescale Semiconductor
• Series: MCF525xr

Specifications of MCF5253CVM140J

• Core Processor: Coldfire V2
• Core Size: 32-Bit
• Speed: 140MHz
• Connectivity: CAN, EBI/EMI, I²C, QSPI, UART/USART, USB OTG
• Peripherals: DMA, WDT
• Program Memory Type: ROMless
• Ram Size: 128K x 8
• Voltage - Supply (vcc/vdd): 1.08 V ~ 1.32 V
• Data Converters: A/D 6x12b
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 225-MAPBGA
• Processor Series: MCF525x
• Core: ColdFire V2
• 3rd Party Development Tools: JLINK-CF-BDM26, EWCF
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Number Of I /o: -
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

Chapter 5
Instruction Cache
This chapter describes the physical organization, operation, memory map and register descriptions for the
MCF5253 instruction cache.
5.1
5.2
Figure 5-1
Freescale Semiconductor
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•
•
•
•
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8 Kbyte Direct-Mapped Cache
Single-Cycle Access on Cache Hits
Physically Located on the ColdFire
Nonblocking Design to Maximize Performance
16 Byte Line-Fill Buffer
Configurable Cache Miss-Fetch Algorithm
31
Instruction Cache Features
Block Diagram
illustrates the block diagram for the instruction cache memory.
LOCAL ADDRESS BUS
12 4 3
Figure 5-1. Instruction Cache Block Diagram
1 2
0
FILL HIT
MCF5253 Reference Manual, Rev. 1
=
®
Core High-Speed Local Bus
31
LINE
31
TAG HIT
TAG
=
BUFFER
ADDRESS
9
4
0
31
EXTERNAL DATA[31:0]
LINE BUFFER DATA STORAGE
LOCAL DATA BUS
31
MUX
DATA
MUX
0
‘127
0
5-1