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IP178G Datasheet(PDF) 51 Page - List of Unclassifed Manufacturers

Part # IP178G
Description  8 Port 10/100 Ethernet Integrated Switch
PDF  76 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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IP178G Datasheet(HTML) 51 Page - List of Unclassifed Manufacturers

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IP178G
Data Sheet
51 / 76
December 19, 2012
Copyright © 2012, IC Plus Corp.
IP178G-DS-R01.3
PHY
MII
R/W
Description
Default
20
1[6]
R/W
BF_STM_EN, Broadcast storm enable
1: enable
IP178G drops the incoming packet if the number of broadcast packet
in queue is over the threshold.
0: disable
P(0)
AGING. Aging time of address table selection
An address tag in hashing table will be removed if this function is
turned on and its aging timer expires.
Aging time
note
00
no aging
01
30s
10
300s
default
20
1[3:2]
R/W
11
reserved
2’b10
20
1[1]
R/W
MODBCK. Turn on modified back off algorithm
The maximum back off period is limited to 8-slot time if this function is
turned on.
1: turn on, 0: turn off
1’b0
20
1[0]
R/W
LEARN_DIS_PAUSE
0: Enable to learn the SMAC of the received PAUSE frame.
1: Disable.
1’b0
6.8
Test mode control registers
Table 16 Test mode control registers table
PHY
MII
R/W
Description
Default
Test mode control registers
20
2[15:10]
R/W
TMODE_SEL. Test mode selection
This function is for testing only. The default value must be adopted for
normal operation.
6’h00
20
2[8]
Reserved
20
2[7]
R/W
INPUT_FILTER
Packet is filtered in input port.
0: no operation (default)
1: perform input filtering when queue full
0
20
2[6:5]
R/W
HASH_MODE
MAC address table hashing mode
00: direct + CRC mapping (default)
11: direct mapping
2’b00
20
2[4:1]
Reserved
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