參數(shù)資料
型號(hào)： ADM6996L
廠商： INFINEON TECHNOLOGIES AG
英文描述： 6 port 10/100 Mb/s Single Chip Ethernet Switch Controller
中文描述： 6端口10/100 Mb / s的單芯片以太網(wǎng)交換機(jī)控制器
文件頁(yè)數(shù)： 27/61頁(yè)
文件大?。?/td> 1743K
代理商： ADM6996L
ADM6996L
Function Description
3.15.6 Illegal Frames
The ADM6996L will discard all illegal frames such as runt packet (less than 64 bytes),
oversize packet (greater than 1518 or 1522 bytes) and bad CRC. Dribbling packing with
good CRC value will accept by ADM6996L. In case of bypass mode enabled,
ADM6996L will support tag and untagged packets with size up to 1522 bytes. In case of
non-bypass mode, ADM6996L will support tag packets up to 1526bytes, untagged
packets up to 1522bytes.
3.15.7 Half Duplex Flow Control
Back Pressure function is supported for half-duplex operation. When the ADM6996L
cannot allocate a receive buffer for an incoming packet (buffer full), the device will
transmit a jam pattern on the port, thus forcing a collision. Back Pressure is enabled by
the BPEN set during RESET asserting. An Infineon-ADMtek Co Ltd proprietary
algorithm is implemented inside the ADM6996L to prevent back pressure function cause
HUB partitioned under heavy traffic environment and reduce the packet lost rate to
increase the whole system performance.
3.15.8 Full Duplex Flow Control
When full duplex port run out of its receive buffer, a PAUSE packet command will be
issued by ADM6996L to notice the packet sender to pause transmission. This frame
based flow control is totally compliant to IEEE 802.3x. ADM6996L can issue or receive
pause packet.
3.15.9 Broadcast Storm filter
If Broadcast Storming filter is enable, the broadcast packets over the rising threshold
within 50 ms will be discarded by the threshold setting. See EEPROM Reg.10h.
Broadcast storm mode after initial:
-
time interval : 50ms
the max. packet number = 7490 in 100Base, 749 in 10Base
Per Port Rising Threshold
00
01
10
11
All 100TX
Disable 10% 20%
40%
Not
All
100TX
3.16 Auto TP MDIX function
At normal application which Switch connect to NIC card is by one by one TP cable. If
Infineon-ADMtek Co. Ltd.
3-11
Per Port Falling Threshold
All 100TX
Not
All
100TX
00
Disable 5%
Disable 0.5% 1%
01
10
10%
11
20%
2%
Disable 1%
2%
4%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
ADM6996LAAT1 功能描述:IC SWITCH CTRLR 10/100 128PQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
ADM6996L-AA-T-1 制造商:Rochester Electronics LLC 功能描述:ETHERNET SWITCH - Bulk
ADM6996LAAT1NP 制造商:Infineon Technologies AG 功能描述:Ethernet CTLR Single Chip 10Mbps/100Mbps 3.3V 128-Pin MQFP Tray
ADM6996LC 制造商:Infineon Technologies AG 功能描述:
ADM6996LC-AC-R-1 功能描述:IC ETHERNET SW CTRLR 128-PQFP RoHS:否 類別:集成電路 (IC) >> 接口 - 控制器 系列:- 標(biāo)準(zhǔn)包裝:4,900 系列:- 控制器類型:USB 2.0 控制器 接口:串行 電源電壓:3 V ~ 3.6 V 電流 - 電源:135mA 工作溫度:0°C ~ 70°C 安裝類型:表面貼裝 封裝/外殼:36-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:36-QFN（6x6） 包裝:* 其它名稱:Q6396337A
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