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IP178C/IP178C LF/IP178CH/IP178CH LF
Datasheet
7/93
June 21, 2007
Copyright © 2004, IC Plus Corp.
IP178Cx-DS-R12
Features comparison between IP178B and IP178C/IP178CH
Function
IP178B
IP178C/IP178CH
EEPROM
93C46
24C01A
SCA (Smart Cable Analysis)
X
O
UPDATE_R4_EN
O
X
8 TP + 1* MII (9 port switch)
8 TP
8 TP + 1* MII (9 port switch)
Disable MII port
(pin 53 EXTMII_EN=0)
Enable MII port
(pin 53 EXTMII_EN=1)
LED pins
Link, Speed,
Duplex
Link, Speed, Duplex
Link, Speed
Link quality LED
X
Pin 73
Default on (note1)
VLAN_ON
Pin 79
Pin 79
Default off (note1)
Filter reserved address option
Fixed on
Pin 78
Default off (note1)
Broadcast frame option
X
Pin 77
Default off (note1)
Aging option
Pin 84
Pin 76
Default on (note1)
Flow control option
Fixed on
Pin 75
Default on (note1)
Max packet length option
X
Pin 101
Default off (note1)
MII port speed/ duplex
X
X
Fixed 100 Mbps full
RMII/MII option
X
X
Pin 72
MII MAC mode/ PHY mode
X
X
Pin 104
MII register, MDC/MDIO
X
X
O
Built in regulator
X
2.5v
1.95V
3.3V
1.95V
Note1: The default value can be updated by EEPORM or MDC/MDIO.
Note2: It is UPDATE_R4_EN in IP178B.
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