Signal Description
Pin Description
Table 10: LED Interface
117-TFBGA 96-BCC 128-PQFP Pin Name
Pin
Description
Pin #
Pin #
Pin #
Type
C8
76
100
LED_LINK10
O, mA
Parallel LED output for 10BASE-T link or
speed. This active low LED pin may be pro-
grammed in direct drive or combined LED
modes by programming register LED_LINK
Control register 24.4:3.
In direct drive LED mode, this pin indicates
10 Mbps link up or down.
In combined LED mode, the output from
LED_LINK10, LED_LINK100, and
LED_LINK1000 must be read together to
determine link and speed status.
LED_LINK10 is a multi-function pin used to
configure the 88E1111 device at the de-
assertion of hardware reset.
B8
74
99
LED_LINK100
O, mA
Parallel LED output for 100BASE-TX link or
speed. This active low LED pin may be pro-
grammed in direct drive or combined LED
modes by programming register LED_LINK
Control register 24.4:3.
In direct drive LED mode, this pin indicates
100 Mbps link up or down.
In combined LED mode, the output from
LED_LINK10, LED_LINK100, and
LED_LINK1000 must be read together to
determine link and speed status.
LED_LINK100 is a multi-function pin used to
configure the 88E1111 device at the de-
assertion of hardware reset.
A9
73
98
LED_LINK1000 O, mA
Parallel LED output for 1000BASE-T link/
speed or link indicator. This active low LED
pin may be programmed in direct drive or
combined LED modes by programming reg-
ister LED_LINK Control register 24.4:3.
In direct drive LED mode, this pin indicates
1000 Mbps link up or down.
In combined LED mode, the output from
LED_LINK1000 indicates link status.
LED_LINK1000 is a multi-function pin used
to configure the 88E1111 device at the de-
assertion of hardware reset.
Copyright © 2009 Marvell
March 4, 2009, Advance
Doc. No. MV-S105540-00, Rev. --
Document Classification: Proprietary Information
Page 23
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