参数资料
型号: MCF5235CVM100
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 32-BIT, 100 MHz, RISC PROCESSOR, PBGA256
封装: MAPBGA-256
文件页数: 33/76页
文件大小: 2665K
代理商: MCF5235CVM100
MOTOROLA
MCF523x Integrated Microprocessor Hardware Specifications
39
PRELIMINARY—SUBJECT TO CHANGE WITHOUT NOTICE
Interface Recommendations
The serial mode interface operates in what is generally referred to as AMD mode. The MCF523x
configuration for seven-wire serial mode connections to the external transceiver are shown in Table 40.
Refer to the M523xEVB evaluation board user’s manual for an example of how to connect an external PHY.
Schematics
for
this
board
are
accessible
at
the
MCF523x
site
by
navigating
from:
http://e-www.motorola.com/ following the 32-bit Embedded Processors, 68K/ColdFire, MCF5xxx,
MCF523x and M523xEVB links.
Table 39. MII Mode
Signal Description
MCF523x Pin
Transmit clock
ETXCLK
Transmit enable
ETXEN
Transmit data
ETXD[3:0]
Transmit error
ETXER
Collision
ECOL
Carrier sense
ECRS
Receive clock
ERXCLK
Receive enable
ERXDV
Receive data
ERXD[3:0]
Receive error
ERXER
Management channel clock
EMDC
Management channel serial data
EMDIO
Table 40. Seven-Wire Mode Configuration
Signal Description
MCF523x 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
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