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IP178C
Preliminary Data Sheet
Pin description (continued)
Pin no.
Label
Type
Description
LED.
95
BI_COLOR
IPL2
Bi-color LED mode enable
1:
Bi-color
mode
LED
enabled.
LED_LINK
[7:0]
and
LED_SPEED [7:0] are used to drive dual color LED. The
functions are defined in the following table. The behavior of
FDX_LED [7:0] is the asme as that in mode3 on the previous
page.
0: Bi-color mode LED disabled. Please refer to pin description of
LED_SEL [1:0] for LED functins.
This pin takes precedence of LED_SEL [1:0].
Application circuit
LINK_LED
SPEED_LED
100M link/act
10M link/act
LED 1
LED 2
Bi-color LED definition
Status
LINK_LED [7:0]
SPEED_LED [7:0]
LED 1
LED 2
Link off
1
1
Off
Off
100 Mbps link ok
1
0
On
Off
100 Mbps link ok/ activity
Clock
0
Flash
Off
10 Mbps link ok
0
1
Off
On
10 Mbps link ok/ activity
0
Clock
Off
Flash
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October 27, 2005
Copyright © 2004, IC Plus Corp.
IP178C-DS-R09
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