AM79C984AKC Просмотр технического описания (PDF) - Advanced Micro Devices

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AM79C984AKC

enhanced Integrated Multiport Repeater (eIMR™)

Advanced Micro Devices 

PRELIMINARY

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 drivers

(LDGA/B) from each chip can be tied together to drive

a single pair of global status LEDs. The open drain out-

put of these drivers facilitate this configuration. Refer to

Figure 13.

LDA[4:0]

LDB[4:0]

LDGA

LDGB

VDD

LDA[4:0]

LDB[4:0]

LDGA

LDGB

202605605B0-1A8-19

Figure 13. Visual Status Display Connection

Am79C984A

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