Ublox SARA-R4 Series System Integration Manual

SARA-R4/N4 series - System Integration Manual
UBX-16029218 - R11 Appendix Page 147 of 157
No
SARA-G3
Pin Name
Description
SARA-U2
Pin Name
Description
SARA-R4
Pin Name
Description
SARA-N2
Pin Name
Description
Remarks for migration
24
GPIO3 /
32K_OUT
GPIO (G340/G350)
32 kHz Output (G300/G310)
V_INT level (1.8 V)
Default: GNSS data ready
Driver strength: 5 mA
GPIO3
GPIO
V_INT level (1.8 V)
Default: GNSS data ready
Driver strength: 6 mA
GPIO3
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
GPIO2
GPIO
23
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 1 mA
Diverse driver strength
25
GPIO4 / RSVD
GPIO (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Default: GNSS RTC sharing
Driver strength: 6 mA
GPIO4
GPIO
V_INT level (1.8 V)
Default: GNSS RTC sharing
Driver strength: 6 mA
GPIO4
GPIO
V_INT level (1.8 V)
Default: Output/Low
Driver strength: 2 mA
RSVD
Reserved
GPIO vs Reserved
26
SDA /
RSVD
I
2
C Data I/O (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Open drain
No internal pull-up
SDA
I
2
C Data I/O /
AUX UART in (‘04’ version)
V_INT level (1.8 V)
Open drain
No internal pull-up
SDA
I
2
C Data I/O
22
V_INT level (1.8 V)
Open drain
Internal 2.2 k pull-up
SDA
I
2
C Data I/O
23
V_INT level (1.8 V)
Open drain
No internal pull-up
Internal vs No internal pull-up
27
SCL /
RSVD
I
2
C Clock Out (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Open drain
No internal pull-up
SCL
I
2
C Clock Output /
AUX UART out (‘04’ version)
V_INT level (1.8 V)
Open drain
No internal pull-up
SCL
I
2
C Clock Output
22
V_INT level (1.8 V)
Open drain
Internal 2.2 k pull-up
SCL
I
2
C Clock Output
23
V_INT level (1.8 V)
Open drain
No internal pull-up
Internal vs No internal pull-up
28
RXD_AUX
Aux UART Data Out
V_INT level (1.8 V)
USB_D-
USB Data I/O (D-)
High-Speed USB 2.0
USB_D-
USB Data I/O (D-)
High-Speed USB 2.0
RSVD
Reserved
USB / AUX UART vs Reserved
TestPoint recommended for
SARA-G3/U2/R4 modules
29
TXD_AUX
Aux UART Data In
V_INT level (1.8 V)
USB_D+
USB Data I/O (D+)
High-Speed USB 2.0
USB_D+
USB Data I/O (D+)
High-Speed USB 2.0
RSVD
Reserved
USB / AUX UART vs Reserved
TestPoint recommended for
SARA-G3/U2/R4 modules
22
Not supported by “00” and “01” product versions
23
Not supported by “02” product versions

Ublox SARA-R4 Series Specifications

General

Brand	Ublox
Model	SARA-R4 Series
Category	Control Unit
Language	English