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AX88872P 数据表(PDF) 12 Page - ASIX Electronics Corporation

部件名 AX88872P
功能描述  10/100BASE Dual Speed ?쏶wipeater??Controller
PDF  36 Pages
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制造商  ASIX [ASIX Electronics Corporation]
网页  http://www.asix.com.tw
标志 ASIX - ASIX Electronics Corporation

AX88872P 数据表(HTML) 12 Page - ASIX Electronics Corporation

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ASIX ELECTRONICS CORPORATION
12
CONFIDENTIAL
AX88872P Swipeater Controller
PRELIMINARY
2.5 LED Display
Signal Name
Type Pin No.
Description
LED[1:0]
O
85, 84
Those signals indicate each port‘s statuses (such as activity, jabber and
partition) and global information(such as Collision , Repeater ID,
Utilization ) in sequence. For detail , see the LED timing specification
The utilization of 100M segment and 10M segment are using the same scale.
The Utilization % display define as following : (See also Note 1)
1: Led off
0: Led on
The buffer utilization of internal switch uses the following definition:
1: Led off
0: Led on
LED[0] : This signal also indicates SRAM chip 0 fail ( continue active low )
and 100M repeater collision ( Blinking ) during the interval of sequence shift
data.
LED[1] : This signal also indicates SRAM chip 1 fail ( continue active low )
and 10 M repeater collision ( Blinking ) during the interval of sequence shift
data.
LED_CK
O
86
LED Clock : The signal is a discontinue clock for LED signals serial shift
out. The clock period width is 400nS and last 32 cycle with every 52.4ms
repeated.
Utilization %
UTI0
UTI1
UTI2
UTI3
UTI4
UTI5
0
1
1
1
1
1
1
1
0
1
1
1
1
1
5
0
0
1
1
1
1
10
0
0
0
1
1
1
15
0
0
0
0
1
1
30
0
0
0
0
0
1
60
0
0
0
0
0
0
Utilization %
UTI0
UTI1
UTI2
UTI3
UTI4
UTI5
0
1
1
1
1
1
1
10
0
1
1
1
1
1
20
0
0
1
1
1
1
40
0
0
0
1
1
1
60
0
0
0
0
1
1
80
0
0
0
0
0
1
95
0
0
0
0
0
0



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