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5.4 Signal Details
5.4.1 Ethernet
Signal
Type
GBE_MDI[0:3]+
I/O
GBE_MDI[0:3]-
GBE_ACT#
OC
GBE_LINK#
OC
GBE_LINK100#
OC
GBE_LINK1000#
OC
GBE_CTREF
REF
5.4.2 USB
Signal
Type
USB_P[0:2]+
I/O
USB_P[0:2]-
USB_SSTX[0:2]+
I/O
USB_SSTX[0:2]-
USB_SSRX[0:2]+
I/O
USB_SSRX[0:2]-
USB_0_1_OC#
I
USB_2_3_OC#
I
USB_ID
I
USB_VBUS
I
USB_OTG_PEN
O
5.4.3 SDIO
Signal
Type
SDIO_CD#
I
SDIO_CLK
O
SDIO_CMD
I/O
SDIO_LED
O
SDIO_WP
I
SDIO_PWR#
O
SDIO_DAT0-4
I/O
v1.6
Page 32
Signal
Description
Level
Analog
Gigabit Ethernet Controller: Media Dependent Interface Differ-
ential Pairs 0,1,2,3. The MDI can operate in 1000, 100 and 10
Mbit/sec modes
3.3V
Gigabit Ethernet Controller activity indicator, active low
3.3V
Gigabit Ethernet Controller link indicator, active low
3.3V
Internally connected to GBE_LINK#
3.3V
Internally connected to GBE_LINK#
Analog
Center Tap Voltage
Signal
Description
Level
USB
High speed universal Serial Bus Port 0, 1, 2 differential pairs
USB
Super speed universal Serial Bus Port 0, 1, 2 transmit differen-
tial pairs
USB
Super speed universal Serial Bus Port 0, 1, 2 receive differential
pairs
3.3V
Over current detect input 1. This pin is used to monitor the USB
power over current of the USB Ports 0 and 1
3.3V
Over current detect input 1. This pin is used to monitor the USB
power over current of the USB Ports 2 and 3
Configures the mode of the USB Port 1. If the signal is active
3.3V
high the Port will be configured as USB Client
5.0V
USB VBUS pin, 5V tolerant
3.3V
USB Power enable for OTG port USB 1
Signal
Description
Level
3.3V
SDIO Card Detect. This signal indicates when a SDIO/MMC card
is present
3.3V
SDIO Clock
3.3V
SDIO Command/Response
3.3V
SDIO LED. Used to drive an external LED to indicate transfers
on the bus
3.3V
SDIO Write Protect
3.3V
SDIO Power Enable. This signal is used to enable the power
being supplied to a SD/MMC card device
3.3V
SDIO Data lines
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