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AR8327-AL1A-R 데이터시트(PDF) 143 Page - List of Unclassifed Manufacturers

부품명 AR8327-AL1A-R
상세설명  Seven-port Gigabit Ethernet Switch
PDF  394 Pages
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제조업체  ETC2 [List of Unclassifed Manufacturers]
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AR8327-AL1A-R 데이터시트(HTML) 143 Page - List of Unclassifed Manufacturers

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Atheros Communications, Inc.
AR8327/AR8327N Seven-port Gigabit Ethernet
Switch
•
143
3.6.23
PORT0_LEARN_LIMIT
Address 0x0668
SFT&HW RST
Table 3-129 summarizes the PORT0_LEARN_LIMIT Register
Table 3-129.
Port 0 Learn Limit Control Register
7:6
R/W
0
DA_PRI_SEL_0
DA priority selected level for QOS.
There are five levels priority for QOS.
The highest is priority in packet
header.
The others are selected by these bits. If
these bits are set to zero, DA priority is
selected after header. If these bits are
set to n, DA priority is selected after the
priority set to n-1.
5:4
R/W
1
VLAN_PRI_SEL_0
DA priority selected level for QOS.
3:2
R/W
2
IP_PRI_SEL_0
IP priority selected level for QOS.
1:0
R/O
0
RESERVED
Bit
R/W
Inital
Value
Mnemonic
Description
Bit
R/W
Inital
Value
Mnemonic
Description
31:28
R/O
0
RESERVED
27
R/W
0
IGMP_LEARN_LIMIT_EN_0
1'b1: IGMP Learn Limit enable.
26
R/W
0
IGMP_LEARN_LIMIT_DROP_EN
_0
1'b1: if IGMP GROUP ADDR is not in
ARL table or IGMP GROUP ADDR in
ARL but port member is not the source
port, packet should be dropped when
Learned MAC address counter is equal
to IGMP_JOIN_CNT
1'b0: if IGMP GROUP ADDR is not in
ARL table or IGMP GROUP ADDR in
ARL but port member is not the source
port, packet should be redirect to cpu
when Learned MAC address counter
is equal to IGMP_JOIN_CNT_0
25:16
R/W
0
IGMP_JOIN_CNT_0
HARDWARE JOIN IGMP. WHEN
JOIN NEW ENTRY OR NEW PORT TO
IGMP +1, LEAVE OR AGE -1
15:12
R/W
7
SA_LEARN_STATUS_0
IF LESS THAN 0X7, DYNAMIC CAN
BE FRESH TO SETTING VALUE AND
AGE
11
R/W
0
SA_LEARN_LIMIT_EN_0
1'b1: SA Learn Limit enable.



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