Ublox SARA-R5 Series System Integration Manual

SARA-R5 series - System integration manual
UBX-19041356 - R04 System description Page 13 of 118
C1-Public
Function
Pin name
Pin no.
I/O
Description
Remarks
USB
VUSB_DET
17
I
USB detect input
VBUS USB supply generated by the host must be connected to
this input pin to enable the USB interface.
See section 1.9.2 for functional description.
See section 2.6.2 for external circuit design-in.
Provide test point for diagnostic purposes.
USB_D-
28
I/O
USB Data Line D-
USB interface for diagnostics.
90  nominal differential impedance.
Pull-up, pull-down and series resistors, as required by the USB
2.0 specification [4], are part of the USB pin driver and shall not
be provided externally.
See section 1.9.2 for functional description.
See section 2.6.2 for external circuit design-in.
Provide test point for diagnostic purposes.
USB_D+
29
I/O
USB Data Line D+
USB interface for diagnostics.
90  nominal differential impedance.
Pull-up, pull-down and series resistors, as required by the USB
2.0 specification [4], are part of the USB pin driver and shall not
be provided externally.
See section 1.9.2 for functional description.
See section 2.6.2 for external circuit design-in.
Provide test point for diagnostic purposes.
SPI
SDIO_D0
47
I/O
SPI MOSI
SPI Master Output Slave Input, alternatively settable as SDIO.
SPI supported by “00” product version for diagnostics only.
SDIO_D1
49
I/O
SPI MISO
SPI Master Input Slave Output, alternatively settable as SDIO.
SPI supported by “00” product version for diagnostics only.
SDIO_D2
44
I/O
SPI clock
SPI clock, alternatively configurable as SDIO.
SPI supported by “00” product version for diagnostics only.
SDIO_D3
48
I/O
SPI Chip Select
SPI Chip Select, alternatively configurable as SDIO.
SPI supported by “00” product version for diagnostics only.
SDIO
SDIO_D0
47
I/O
SDIO serial data [0]
SDIO serial data [0], alternatively configurable as SPI MOSI.
SDIO not supported by “00” product version.
SDIO_D1
49
I/O
SDIO serial data [1]
SDIO serial data [1], alternatively configurable as SPI MISO.
SDIO not supported by “00” product version.
SDIO_D2
44
I/O
SDIO serial data [2]
SDIO serial data [2], alternatively configurable as SPI clock.
SDIO not supported by “00” product version.
SDIO_D3
48
I/O
SDIO serial data [3]
SDIO serial data [3], alternatively settable as SPI Chip Select.
SDIO not supported by “00” product version.
SDIO_CLK
45
O
SDIO serial clock
SDIO serial clock.
SDIO not supported by “00” product version.
SDIO_CMD
46
I/O
SDIO command
SDIO command, alternatively configurable by AT+UGPIOC.
SDIO not supported by “00” product version.
DDC
SCL
27
O
I2C bus clock line
Fixed open drain, for communication with I2C-slave devices.
Internal active pull-up: external pull-up is not required.
See section 1.9.5 for functional description.
See section 2.6.5 for external circuit design-in.
SDA
26
I/O
I2C bus data line
Fixed open drain, for communication with I2C-slave devices.
Internal active pull-up: external pull-up is not required.
See section 1.9.5 for functional description.
See section 2.6.5 for external circuit design-in.

Ublox SARA-R5 Series Specifications

General

Brand	Ublox
Model	SARA-R5 Series
Category	Control Unit
Language	English