SARA-N2 series - System Integration Manual
UBX-17005143 - R06
Appendix
Page 75 of 82
SARA-G3
SARA-U2
SARA-R4
SARA-N2
No
Pin Name
Description
Pin Name
Description
Pin Name
Description
Pin Name
Description
Remarks for migration
19
RSVD
Reserved
CODEC_CLK 13 or 26 MHz Output
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 4 mA
GPIO6
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
RSVD
Reserved
Clock / GPIO vs Reserved
20-22 GND
Ground
GND
Ground
GND
Ground
GND
Ground
23
GPIO2 /
RSVD
GPIO (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Default: GNSS supply enable
Driver strength: 6 mA
GPIO2
GPIO
V_INT level (1.8 V)
Default: GNSS supply enable
Driver strength: 1 mA
GPIO2
GPIO
V_INT level (1.8 V)
Default: Pin disabled
Driver strength: 2 mA
RSVD
Reserved
GPIO vs Reserved
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
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
I2C Data I/O (G340/G350)
Reserved (G300/G310)
V_INT level (1.8 V)
Open drain
No internal pull-up
SDA
I2C Data I/O
V_INT level (1.8 V)
Open drain
No internal pull-up
SDA
I2C Data I/O
3
V_INT level (1.8 V)
Open drain
Internal 2.2 k pull-up
SDA
I2C Data I/O
4
V_INT level (1.8 V)
Open drain
No internal pull-up
Internal vs No internal pull-up
27
SCL /
RSVD
I2C
Clock
Output
(G340/G350)
Reserved
(G300/G310)
V_INT level (1.8 V)
Open drain
No internal pull-up
SCL
I2C Clock Output
V_INT level (1.8 V)
Open drain
No internal pull-up
SCL
I2C Clock Output
V_INT level (1.8 V)
Open drain
Internal 2.2 k pull-up
SCL
I2C Clock Output
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
3
Not supported by “00” and “01” product versions
4
Not supported by “02” product versions