AM79C985KCW AMD [Advanced Micro Devices], AM79C985KCW Datasheet - Page 34
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AM79C985KCW
Manufacturer Part Number
AM79C985KCW
Description
Manufacturer
AMD [Advanced Micro Devices]
Datasheet
1.AM79C985KCW.pdf
(48 pages)
- Current page: 34 of 48
- Download datasheet (257Kb)
Visual Status Display
LDA/B[4:0] and LDGA/B provide visual status indicators
for the eIMR+. LDA/B[4:0] displays Link, Carrier Sense,
Collision, and Partition information for the TP and AUI
ports. LDGA/B display global Carrier Sense, Collision,
and Jabber information.
In a multiple eIMR+ configuration, the global LED driv-
ers (LDGA/B) from each chip can be tied together to
drive a single pair of global status LEDs. The open drain
output of these drivers facilitate this configuration. Refer
to Figure 15.
34
P R E L I M I N A R Y
Am79C985
Figure 15. Visual Status Display Connection
eIMR+
eIMR+
LDA[4:0]
LDB[4:0]
LDA[4:0]
LDB[4:0]
LDGA
LDGB
LDGA
LDGB
VDD
20651B-20
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