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參數(shù)資料
| 型號： | 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)： | 30/34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
Freescale Semiconductor
5
GPIO
General Purpose I/O
Interface
System
integration
GPIO signals are multiplexed with various other signals.
GPT
General Timer
Module
Timer
peripheral
The timer module includes two general-purpose timers, each of which
contains a free-running 16-bit timer.
IDE
Integrated Drive
Electronics
Connectivity
peripheral
The IDE hardware consists of bus buffers for address and data and are
intended to reduce the load on the bus and prevent SDRAM and Flash
accesses from propagating to the IDE bus.
INC
Instruction Cache
Core
The instruction cache improves system performance by providing cached
instructions to the execution unit in a single clock cycle.
I2C
Inter IC
Communication
Module
Connectivity
peripheral
The two-wire I2C bus interfaces, compliant with the Philips I2C bus
standard, are bidirectional serial buses that exchange data between
devices.
SRAM
Internal 128-KB
SRAM
Internal
memory
The 128-Kbyte on-chip SRAM is split over two banks, SRAM0 (64K) and
SRAM1 (64K). It provides single clock-cycle access for the ColdFire core.
LIN
Internal Voltage
Regulator
Linear
regulator
An internal 1.2 V regulator is used to supply the CPU and PLL sections of
the MCF5251, reducing the number of external components required and
allowing operation from a single supply rail, typically 3.3 volts.
JTAG
Joint Test Action
Group
Test and
debug
To help with system diagnostics and manufacturing testing, the MCF5251
includes dedicated user-accessible test logic that complies with the IEEE
1149.1A standard for boundary scan testability, often referred to as Joint
Test Action Group, or JTAG.
QSPI
Queued Serial
Peripheral Interface
Connectivity
Interface
The QSPI module provides a serial peripheral interface with queued
transfer capability.
RTC
Real-Time Clock
Timer
Peripheral
The RTC is a clock that keeps track of the current time even if the clock is
turned off.
BDM
Background Debug
Interface
Test and
debug
A background-debug mode (BDM) interface provides system debug.
SDRAMC
Synchronous DRAM
Memory Controller
Peripheral
Interface
The SDRAM controller provides a glueless interface for one bank of
SDRAM, and can address up to 32MB. The controller supports a 16-bit
data bus. The controller operates in page mode, non-page mode, and
burst-page mode and supports SDRAMs.
SIM
System Integration
Module
System
Integration
The SIM provides overall control of the internal and external buses and
serves as the interface between the ColdFire core and the internal
peripherals or external devices. The SIM is responsible for the two
interrupt controllers (setting priorities and levels). And it also configures
the GPIO ports.
PLL
System Oscillator and
Phase Lock Loop
System
Clocking
The oscillator operates from an external crystal connected across CRIN
and CROUT. The circuit can also operate from an external clock
connected to CRIN. The on-chip programmable PLL, which generates the
processor clock, allows the use of almost any low frequency external clock
(5–35 MHz).
Table 2. Digital and Analog Modules (continued)
Block
Mnemonic
Block Name
Functional
Grouping
Brief Description
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MCH4008 | L BAND, Si, NPN, RF SMALL SIGNAL TRANSISTOR |
| MCH4009 | 40 mA, 3.5 V, NPN, Si, SMALL SIGNAL TRANSISTOR |
| MCH4009 | 40 mA, 3.5 V, NPN, Si, SMALL SIGNAL TRANSISTOR |
| MCIMX27MJP4A | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA473 |
| MCIMX27VOP4A | 32-BIT, 400 MHz, MICROPROCESSOR, PBGA404 |
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 最大時鐘頻率:536 MHz 程序存儲器大小: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 最大時鐘頻率:536 MHz 程序存儲器大小: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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