參數(shù)資料
型號(hào)： MX98748
廠商： MACRONIX INTERNATIONAL CO LTD
元件分類(lèi)： 微控制器/微處理器
英文描述： Highly Intergated 10/100M Dual Speed Hub With Extra 4 Port Switch Built-In(高度集成，內(nèi)置額外4端口開(kāi)關(guān)的10/100M 雙速集線器)
中文描述： 8 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PBGA292
封裝： BGA-292
文件頁(yè)數(shù)： 1/32頁(yè)
文件大?。?/td> 176K
代理商： MX98748
1
P/N:PM0583
REV. 0.3, AUG. 20, 1999
MX98748
ADVANCED INFORMATION
Highly Intergated 10/100M Dual Speed Hub With
Extra 4 Port Switch Built-In
1. Features
Integrate a 4-port switch core and a 12-port dual-speed
repeater core.
Support 0 to 4 MII switch ports and 6 to 8 MII/RMII
repeater ports and 10/100M expansion ports. Configure
by MODE select.
Each switch port can operate in 10/100, half/full duplex
mode, auto-configured by a N-way PHYceiver.
Each repeater port auto-sense line speed (10/100M),
and operate in half-duplex mode.
Provide 10M and 100M Expansion Buses for stacking
up to 9 Hubs.
Provide Link/Activity, Partition, Utilization LED display
function for diagnostic purpose.
2. General Description
The MX98748 is a Fast Ethernet product with 4 port switch
and 8 port repeater hub controller. By MODE select, it
can offer different type of switch and hub port configura-
tion such as 2SW/8HUBport, 3SW/7HUB port, 4SW/
6HUB port seperately. Combine with MX98747 - 8 Ports
dual speed repeater controller, customer can design di-
The embedded switch operates in Store-and-forward
mode
Support up to 2K address entries without external
address look-up IC
Single 64Kx32 SSRAM part used as data buffering and
filtering database for the embedded switch.
IEEE802.3X flow control for full-duplex switch port.
Backpressure flow control for half-duplex switch port.
Provide RX-Buffer-Threshold control and TX-Buffer-
Threshold control to avoid any port occupying all
buffer resource.
Support serial EEPROM interface for power on configu-
ration
verse hibrid hub ( hub with switch function) products such
as 16rpt port + 2 switch ports, 24rpt port + 2 switch
ports,and etc.(more information on application configu-
ration can be found in application note and MX98748
presentation material.)
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