AX88872P Datasheet, PDF (12/36 Pages) ASIX Electronics Corporation – 10/100BASE Dual Speed “Swipeater” Controller

AX88872P Swipeater Controller
CONFIDENTIAL
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
Utilization %
0
1
5
10
15
30
60
UTI0
1
0
0
0
0
0
0
UTI1
1
1
0
0
0
0
0
UTI2
1
1
1
0
0
0
0
UTI3
1
1
1
1
0
0
0
UTI4
1
1
1
1
1
0
0
UTI5
1
1
1
1
1
1
0
The buffer utilization of internal switch uses the following definition:
1: Led off
0: Led on
Utilization %
0
10
20
40
60
80
95
UTI0
1
0
0
0
0
0
0
UTI1
1
1
0
0
0
0
0
UTI2
1
1
1
0
0
0
0
UTI3
1
1
1
1
0
0
0
UTI4
1
1
1
1
1
0
0
UTI5
1
1
1
1
1
1
0
LED_CK
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.
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.
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ASIX ELECTRONICS CORPORATION