Datasheet

Hi-Speed USB 2.0 to 10/100/1000 Ethernet Controller
Datasheet
Revision 1.0 (11-01-10) 12 SMSC LAN7500/LAN7500i
DATASHEET
Table 2.1 GPIO Pins
NUM PINS NAME SYMBOL
BUFFER
TYPE DESCRIPTION
1
Indicator
LED0
LED0 VOD8 Used in conjunction with LED1. May be
programmed to indicate Link and Speed or Link
and Speed and Activity.
General
Purpose I/O 0
GPIO0 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.
Note: This pin is configured as a GPIO by
default.
1
Indicator
LED1
LED1 VOD8 Used in conjunction with LED0. May be
programmed to indicate Ethernet Link and Speed
or Link and Speed and Activity.
General
Purpose I/O 1
GPIO1 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.
Note: This pin is configured as a GPIO by
default.
1
Indicator
LED2
LED2 VOD8 May be programmed to indicate Ethernet Link
and Activity or just Activity.
General
Purpose I/O 2
GPIO2 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.
Note: This pin is configured as a GPIO by
default.
1
Indicator
LED3
LED3 VOD8 May be programmed for use as an Ethernet Link
indicator.
General
Purpose I/O 3
GPIO3 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.
Note: This pin is configured as a GPIO by
default.
1
Indicator
LED4
LED4 VOD8 May be programmed to indicate Ethernet Full
Duplex operation.
General
Purpose I/O 4
GPIO4 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.
1
PME PME VO8/
VOD8
This pin may be used to signal PME when PME
mode of operation is in effect. Refer to Chapter 4,
"PME Operation," on page 30 for additional
information.
General
Purpose I/O 5
GPIO5 VIS/VO8/
VOD8
(PU)
This General Purpose I/O pin is fully
programmable as either a push-pull output, an
open-drain output, or a Schmitt-triggered input.