參數(shù)資料
型號(hào): 9883
廠商: Intel Corp.
英文描述: Advanced 10/100 Umnmanaged Repeater
中文描述: 高級(jí)10/100 Umnmanaged直放站
文件頁數(shù): 29/56頁
文件大?。?/td> 719K
代理商: 9883
Advanced 10/100 Unmanaged Repeater
LXT9883/9863
Datasheet
Document #: 249115
Revision #: 003
Rev. Date: 08/07/01
29
3.7.2
10M-Only Operation
3.7.2.1
MAC IRB Access
The MACACTIVE pin allows an external MAC or other digital ASIC to interface directly to the
10 Mbps IRB. When the MACACTIVE pin is asserted, the LXT98x3 drives the IR10CFS and
IR10CFSBP signals on behalf of the external device, allowing it to participate in collision detection
functions.
3.7.3
LXT98x/91x/98xx Compatibility
The LXT98x3 devices feature low-power 3.3V design. The LXT98x and LXT91x devices operate
at 5V and are incompatible with the LXT98x3 devices in cascades. The LXT98x3 devices,
however, are
backwards stackable
with LXT98x and LXT91x repeaters.
Refer to
"Inter-Repeater Backplane Compatibility
on page 41.
.
Figure 7. 100M IRB Connection
IR100DAT(4:0)
IR100DV
IR100CLK
IR100CFS
IR100DAT(4:0)
IR100DV
IR100CLK
IR100CFSBP
HUB #1
Cascade
HUB #2
7
7
IR100DEN
IR100DEN
IR100SNGL
IR100COL
IR100CFS
IR100SNGL
IR100COL
LXT98x3
LXT98x3
(0)
LXT98x3
(0)
LXT98x3
Stack
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