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IP175G Datasheet(PDF) 44 Page - List of Unclassifed Manufacturers

Part # IP175G
Description  5 Port 10/100 Ethernet Integrated Switch
PDF  69 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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IP175G Datasheet(HTML) 44 Page - List of Unclassifed Manufacturers

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IP175G/GI/GH/GHI
Data Sheet
44 / 69
November 27, 2012
Copyright © 2012, IC Plus Corp.
IP175Gx-DS-R01.3
6.7
Switch control registers (I)
Table 13 Switch control registers (I) table
PHY
MII
ROM
R/W
Description
Default
EEPROM enable register / Software reset register
20
--
1, 0
EEPROM enable register
This register should be filled with 55AA in EERPOM register 0
and 1. IP175G/GH will examine the specified pattern to
confirm if there is a valid EEPROM. The initial setting is
updated with the content of EEPROM only if the specified
pattern 55AA is found.
20
0
R/W
Software reset register
MII register 0 is software reset register. User can reset
IP175G/GH by writing 55AA to this register.
20
0[15]
R
BFLL_FULL, free buffer is full
1: full,
0: not full
This bit is for debug only.
20
0[13]
R
Empty, all output queue is empty
1: empty
0: not empty
This bit is for debug only.
20
0[12:4]
Reserved
20
0[3]
R
PAD_RESET
20
0[2]
R
EE_RESET1
20
0[1]
R
SOFT_RESET
20
0[0]
R
EE_RESET
20
1[15]
R/W
PRIORITY_RATE
1: 8 packets
0: 16 packets
Output Queue Scheduling: high priority packet rate
1’b0
20
1[12]
R/W
REDUCE_IPG
This function reduce the IPG by random from 0 ~ 20 PPM.
1: enable, 0:disable
1'b1
20
1[11]
R/W
Drop16
1: enable, 0:disable
1’b0
20
1[9]
R/W
MOD_CARRIER_ALGORITHM
Modified carrier based collision algorithm
1: enable, 0:disable
1’b0
20
1[8]
R/W
BK_EN, Backpressure enable
1: enable, 0: disable
1'b1
20
1[7]
R/W
BP_KIND, Backpressure type selection
It is valid only if BK_EN is set to 1’b1.
0: carrier base backpressure
1: reserved
1’b0



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