参数资料
型号: IP178C-DS-R07
厂商: Electronic Theatre Controls, Inc.
英文描述: 8 Port 10/100 Ethernet Integrated Switch
中文描述: 8端口10/100以太网集成开关
文件页数: 24/93页
文件大小: 538K
代理商: IP178C-DS-R07
IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
Pin description
(continued)
Copyright
2004, IC Plus Corp.
24/93
June 21, 2007
IP178Cx-DS-R12
Pin no.
MII configuration pins
53
EXTMII_EN
Label
Type
Description
IPL2
MII port enable
1: enable MII port,
0: disable MII port
This pin53 also determines the regulator output voltage. Please
see pin 52 REG_OUT for detail information.
MII mode selection
It is latched as MII MAC/ PHY mode selection at the end of
reset. It should be pull high if pin 72 RMII_MII is pulled high.
1: MAC mode,
0: PHY mode
After reset, it is used as clock pin SCL of EEPROM
MII RMII selection
It is latched as RMII_MII selection at the end of reset. It is valid
only if pin 53 EXTMII_EN is pulled high. Pin 104 MII_MAC
should be pull high RMII is enabled.
1: RMII,
0:MII
After reset, it is used as SPPED_LED1.
104
MII_MAC
IPL2
/O
72
RMII_MII
IPL1
/O
SMI
103, 102
MDC, MDIO
IPL2
,
IPH2
/O
SMI
The external MAC device uses the interface to access the
registers of
IP178C/IP178CH
.
IP178C/IP178CH
doesn’t access
the MII registers of external PHY.
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