
IP175C/IP175C LF/IP175CH/IP175CH LF
Data Sheet
32/111
Mar 09, 2007
Copyright © 2004, IC Plus Corp.
IP175C/IP175CH-DS-R14
Pin description (continued)
Pin No.
Label
Type
Description
LED
92, 91
LED_SEL[1:0]
IPH
LED output mode selection.
LED_SEL[1:0]=00: LED mode 0,
LED_SEL[1:0]=01: LED mode 1, dual color mode
LED_SEL[1:0]=10: LED mode 2,
LED_SEL[1:0]=11: LED mode 3 (default)
110, 107,
104, 101,
96
LED_LINK[4:0]
O
Link, Activity (output after reset)
LED mode0: 100M Link + Activity (same as mode 2)
LED mode1:
LED mode2, 100M Link + Activity
(1: 100M Link fail, 0: 100M Link ok and no activity, flash: 100M
Link ok and TX/RX activity)
LED mode3: Link + Activity
(1: link fail, 0: link ok, flash: Link ok and TX/ RX activity)
111, 108,
105, 102,
97
LED_SPEED[4:0]
O
Speed (output after reset)
LED mode0: (1: no collision, flash: collision) (note*)
LED mode1:
LED mode2: Full/half: (1: half, 0: full, flash: collision)
LED mode3: (1: speed=10M, 0: speed=100M)
112, 109,
106, 103,
100
LED_FULL[4:0]
O
Full/half, Link (output after reset)
LED mode0, 10M Link + Activity (same as mode 2)
LED mode1, same as mode 3
LED mode2, 10M Link + Activity
(1: 10M Link fail, 0: 10M Link ok and no activity, flash: 10M Link
ok and TX/RX activity)
LED mode3: Full/half: (1: half, 0: full, flash: collision)
Note: LED_SPEED[0] shows collision information for all ports. LED_SPEED[4:1] is undefined.