Marvell 88E1111 - Page 26

Doc. No. MV-S105540-00, Rev. A
Page 26 Document Classification: Proprietary Information
A9 A39 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.
E8 B33 95 LED_DUPLEX O, mA Parallel LED duplex or duplex/collision
modes. The LED_DUPLEX pin may be pro-
grammed to Mode 1 or Mode 2 by setting
register bit 24.2.
Mode 1
Low = Full-duplex
High = Half-duplex
Blink = Collision
Mode 2
Low = Full-duplex
High = Half-duplex
Mode 3
Low = Fiber Link up
High = Fiber Link down
LED_DUPLEX is a multi-function pin used to
configure the 88E1111 device at the de-
assertion of hardware reset.
Table 10: LED Interface (Continued)
117-TFBGA
Pin #
96-aQFN
Pin #
128-PQFP
Pin #
Pin Name Pin
Type
Description
88E1111 Product Brief
Integrated 10/100/1000 Ultra Gigabit Ethernet Transceiver
Copyright © 2020 Marvell
December 2, 2020