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IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
87/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
PHY
MII
ROM
R/W
Description
Default
12.8
4.6
R/W BW_EN_QM
Limitation for output queue quantity when TX Bandwidth
control enable
1: enable (default), limit the output queue quantity
2: disable, unlimit the output queue quantity
1’b1
LINK_Q_EN, LINK quality enable
1: enable (default),
0: disable
Default value
TEST2=0
TEST2=1
Pad 98.5
LAT_IN_DIS=1
Pad 98.5
LAT_IN_DIS=0
12.7
60.7
R/W
1
Pin101 (1)
1
*
LONG_PACKET
Max forwarded packet length
1: 1552 bytes
0: 1536 bytes (default)
Default value
P4EXT=1
P4EXT=0
12.5
60.5
R/W
0
Pin66 LONG_PKT (0)
*
12.4
60.4
R/W PRIORITY_RATE
1: 8 packets
0: 4 packets
Output Queue Scheduling: high priority packet rate
1’b0
12.1
60.1
R/W Reserved (Must to be keep at 1’b1)
1’b1
30
12.0
60.0
R/W HP_DIS_FLOW_EN
High priority packet to disable flow control
1: a port will disable its flow control function for 2 sec if it
receives a high priority packet.
0: the function is disabled
1’b0
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