Signal Details - Cherry RINGNECK SOM-PX30-uQ7 User Manual

Pin Signal
219 VCC
221 VCC
223 VCC
225 VCC
227 VCC
229 VCC

12.3 Signal Details

12.3.1 Ethernet
Q7 Signal Type
GBE_MDI[0:1]+ I/O
GBE_MDI[0:1]-
GBE_ACT# OC
GBE_LINK# OC
GBE_LINK100# OC
GBE_CTREF REF
12.3.2 USB
Q7 Signal Type
USB_P[0:2]+ I/O
USB_P[0:2]-
USB_OC# I
USB_ID I
USB_VBUS I
12.3.3 SDIO
Q7 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
RINGNECK SOM-PX30-uQ7 User Manual
© Cherry Embedded Solutions GmbH
Table 12.1 – continued from previous page
Pin
220
222
224
226
228
230
Signal Description
Level
Analog Fast Ethernet Controller: Media Dependent Interface Differen-
tial Pairs 0,1. The MDI can operate in 100 and 10 Mbit/sec modes
3.3V Ethernet Controller activity indicator, active low
3.3V Ethernet Controller link indicator, active low
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
3.3V Over current detect input. The baseboard can signal an USB
overcurrent condition by pulling this pin low.
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
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
Signal
VCC
VCC
VCC
VCC
VCC
VCC
v1.3.1
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