参数资料
型号: MCF5275LCVM133
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 133 MHz, RISC PROCESSOR, PBGA196
封装: MAPBGA-196
文件页数: 5/44页
文件大小: 1242K
代理商: MCF5275LCVM133
Design Recommendations
MCF5275 Integrated Microprocessor Family Hardware Specification, Rev. 2
Preliminary—Subject to Change Without Notice
Freescale Semiconductor
13
The serial mode interface operates in what is generally referred to as AMD mode. The MCF5275
configuration for seven-wire serial mode connections to the external transceiver are shown in Table 5.
Refer to the M5275EVBevaluation board user’s manual for an example of how to connect an external
PHY. Schematics for this board are accessible at the MCF5275 site by navigating to:
5.7.3
BDM
Use the BDM interface as shown in the M5275EVB evaluation board user’s manual. The schematics for
this board are accessible at the MCF5275 site by navigating to: http://www.freescale.com/coldfire.
Collision
FECn_COL
Carrier sense
FECn_CRS
Receive clock
FECn_RXCLK
Receive enable
FECn_RXDV
Receive data
FECn_RXD[3:0]
Receive error
FECn_RXER
Management channel clock
FECn_MDC
Management channel serial data
FECn_MDIO
Table 5. Seven-Wire Mode Configuration
Signal Description
MCF5275 Pin
Transmit clock
FECn_TXCLK
Transmit enable
FECn_TXEN
Transmit data
FECn_TXD[0]
Collision
FECn_COL
Receive clock
FECn_RXCLK
Receive enable
FECn_RXDV
Receive data
FECn_RXD[0]
Unused, configure as PB14
FECn_RXER
Unused input, tie to ground
FECn_CRS
Unused, configure as PB[13:11]
FECn_RXD[3:1]
Unused output, ignore
FECn_TXER
Unused, configure as PB[10:8]
FECn_TXD[3:1]
Unused, configure as PB15
FECn_MDC
Input after reset, connect to ground
FECn_MDIO
Table 4. MII Mode (continued)
Signal Description
MCF5275 Pin
相关PDF资料
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MCF5275CVM133 32-BIT, 133 MHz, RISC PROCESSOR, PBGA256
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