参数资料
型号: MCF5270CAB100
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, PQFP160
封装: ROHS COMPLIANT, PLASTIC, QFP-160
文件页数: 4/42页
文件大小: 554K
代理商: MCF5270CAB100
MCF5271 Integrated Microprocessor Hardware Specification, Rev. 4
Mechanicals/Pinouts and Part Numbers
Freescale Semiconductor
12
The serial mode interface operates in what is generally referred to as AMD mode. The MCF5271
configuration for seven-wire serial mode connections to the external transceiver are shown in Table 5.
Refer to the M5271EVB evaluation board user’s manual for an example of how to connect an external
PHY. Schematics for this board are accessible at the MCF5271 site by navigating to:
5.7.3
BDM
Use the BDM interface as shown in the M5271EVB evaluation board user’s manual. The schematics for
this board are accessible at the Freescale website at: http://www.freescale.com/coldfire.
6
Mechanicals/Pinouts and Part Numbers
This section contains drawings showing the pinout and the packaging and mechanical characteristics of
the MCF5271 devices. See Table 4 for a list the signal names and pin locations for each device.
Receive error
ERXER
Management channel clock
EMDC
Management channel serial data
EMDIO
Table 5. Seven-Wire Mode Configuration
Signal Description
MCF5271 Pin
Transmit clock
ETXCLK
Transmit enable
ETXEN
Transmit data
ETXD[0]
Collision
ECOL
Receive clock
ERXCLK
Receive enable
ERXDV
Receive data
ERXD[0]
Unused, configure as PB14
ERXER
Unused input, tie to ground
ECRS
Unused, configure as PB[13:11]
ERXD[3:1]
Unused output, ignore
ETXER
Unused, configure as PB[10:8]
ETXD[3:1]
Unused, configure as PB15
EMDC
Input after reset, connect to ground
EMDIO
Table 4. MII Mode (continued)
Signal Description
MCF5271 Pin
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相关代理商/技术参数
参数描述
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MCF5270VM100 功能描述:微处理器 - MPU MCF5270 V2CORE 64KSRAM RoHS:否 制造商:Atmel 处理器系列:SAMA5D31 核心:ARM Cortex A5 数据总线宽度:32 bit 最大时钟频率:536 MHz 程序存储器大小:32 KB 数据 RAM 大小:128 KB 接口类型:CAN, Ethernet, LIN, SPI,TWI, UART, USB 工作电源电压:1.8 V to 3.3 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:FBGA-324
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