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參數(shù)資料
| 型號(hào)： | MCF5251CVM140 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, 140 MHz, MICROPROCESSOR, PBGA225 |
| 封裝： | LEAD FREE, MAPBGA-225 |
| 文件頁數(shù)： | 29/34頁 |
| 文件大?。?/td> | 674K |
| 代理商： | MCF5251CVM140 |
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Functional Description
MCF5251 ColdFire Processor Data Sheet: Technical Data, Rev. 3
4
Freescale Semiconductor
2
Functional Description
2.1
Version 2 ColdFire Core
The Version 2 ColdFire (CF2) core consists of two independent, decoupled pipeline structures to maximize
performance while minimizing core size. The instruction fetch pipeline (IFP) is a two-stage pipeline for
prefetching instructions. The prefetched instruction stream is then gated into the two-stage operand
execution pipeline (OEP), which decodes the instruction, fetches the required operands, and then executes
the required function.
2.2
Module Inventory
Table 2 shows an alphabetical listing of the modules in the processor.
Table 2. Digital and Analog Modules
Block
Mnemonic
Block Name
Functional
Grouping
Brief Description
ATA
Advanced Technology
Attachment Controller
Connectivity
Peripheral
The ATA block is an AT attachment host interface. Its main use is to
interface with IDE hard disc drives and ATAPI optical disc drives.
ADC
Battery Level/Keypad
Analog/Digital
Converter
Analog Input
The six-channel ADC is based on the Sigma-Delta concept with 12-bit
resolution. Both the analog comparator and digital sections are integrated
in the MCF5251.
AB
Audio Bus
Audio
Interface
The audio interfaces connect to an internal bus that carries all audio data.
Each receiver places its received data on the audio bus and each
transmitter takes data from the audio bus for transmission.
AIM
Audio Interface
Audio
Interface
The audio interface module provides the necessary input and output
features to receive and transmit digital audio signals over serial audio
interfaces (IIS/EIAJ) and over digital audio interfaces (IEC958).
BROM
Bootloader
Boot ROM
The MCF5251 incorporates a ROM Bootloader, which enables booting
from UART, I2C, SPI, or IDE devices.
FlexCAN
Twin Controller Area
Network 2.0B
Communication Unit
Connectivity
Peripheral
The FlexCan module is a full implementation of the Bosch CAN protocol
specification 2.0B, which supports both standard and extended message
frames.
CSM
Chip Select Module
Connectivity
Peripheral
Three programmable chip-select outputs (CS0/CS4, CS1, and CS2)
provide signals that enable glueless connection to external memory and
peripheral circuits.
DMAC
Direct Memory
Access Controller
Module
Connectivity
Peripheral
There are four fully programmable DMA channels for quick data transfer.
eMAC
enhanced Multiply
Accumulate Module
Core
The integrated eMAC unit provides a common set of DSP operations and
enhances the integer multiply instructions in the ColdFire architecture.
MBUS
Memory Bus Interface Bus Operation The bus interface controller transfers data between the ColdFire core or
DMA and memory, peripherals, or other devices on the external bus.
MMC/SD
Multimedia
Card/Secure Digital
Interface
Flash Memory
Card Interface
The interface is Sony Memory Stick, SecureDigital, and Multi-Media
card compatible.
Note: The Sony Memory Interface does not support Sony MagicGate.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MCF5251DVM140 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire Processor |
| MCF5251EVM140 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire Processor |
| MCF5251VM140 | 功能描述:微處理器 - MPU AMADEUS+USB RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
| MCF5253 | 制造商:FREESCALE 制造商全稱:Freescale Semiconductor, Inc 功能描述:ColdFire㈢ Microprocessor Data Sheet |
| MCF5253CVM140 | 功能描述:微處理器 - MPU MCF5253 CONSUMER IND RoHS:否 制造商:Atmel 處理器系列:SAMA5D31 核心:ARM Cortex A5 數(shù)據(jù)總線寬度:32 bit 最大時(shí)鐘頻率:536 MHz 程序存儲(chǔ)器大小:32 KB 數(shù)據(jù) RAM 大小:128 KB 接口類型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作電源電壓:1.8 V to 3.3 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:FBGA-324 |
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