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參數(shù)資料
| 型號(hào)： | ZL50418 |
| 廠商： | Zarlink Semiconductor Inc. |
| 英文描述： | Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch |
| 中文描述： | 管理16端口10/100平方米端口1個(gè)G以太網(wǎng)交換機(jī) |
| 文件頁(yè)數(shù)： | 83/163頁(yè) |
| 文件大?。?/td> | 2122K |
| 代理商： | ZL50418 |
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ZL50418
Data Sheet
83
Zarlink Semiconductor Inc.
14.8.3 +SCAN – SCAN Control Register (default 00)
CPU Address h404
Accessed by CPU (R/W)
SCAN is used when fast learning is enabled (SE_OPMODE bit 0). It is used for setting up the report rate for newly
learned MAC addresses to the CPU.
Examples:
R= 0, Ratio = 0:
All rounds are used for aging. Never scan for new MAC addresses.
R= 0, Ratio = 1:
Aging and scanning in every other aging round
R= 1, Ratio = 7:
In eight rounds, one is used for scanning and seven are used for aging
R= 0, Ratio = 7:
In eight rounds, one is used for aging and seven are used for scanning
14.9 (Group 5 Address) Buffer Control/QOS Group
14.9.1 FCBAT – FCB Aging Timer
I
2
C Address h0AA; CPU Address:h500
14.9.2 QOSC – QOS Control
I
2
C Address h0AB; CPU Address:h501
Accessed by CPU, serial interface and I
2
C (R/W)
7
6
0
R
Ratio
Bit [6:0]:
Ratio between database scanning and aging round (Default 00)
Bit [7]:
Reverse the ratio between scanning round and aging round (Default 0)
7
0
FCBAT
Bit [7:0]:
FCB Aging time. Unit of 1ms. (Default FF)
This is for buffer aging control. It is used to configure the buffer aging
time. This function can be enabled/disabled through bootstrap pin. It is
not suggested to use this function for normal operation.
7
6
5
4
3
1
0
Tos-d
Tos-p
PMCQ
VF1c
L
Bit [0]:
QoS frame lost is OK. Priority will be available for flow control enabled
source only when this bit is set (Default 0)
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相關(guān)代理商/技術(shù)參數(shù) |
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| ZL50418GKC | 制造商:ZARLINK 制造商全稱(chēng):Zarlink Semiconductor Inc 功能描述:Managed 16-Port 10/100 M + 2-Port 1 G Ethernet Switch |
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| ZL5V1B | 制造商:YEASHIN 制造商全稱(chēng):YEASHIN 功能描述:500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators |
| ZL5V6B | 制造商:YEASHIN 制造商全稱(chēng):YEASHIN 功能描述:500 mW DO-35 Hermetically Sealed Glass Zener Voltage Regulators |
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