SARA-G450 - System integration manual
UBX-18046432 - R08
Appendix
Page 134 of 143
C1-Public
No
SARA-R41x
SARA-R42x
SARA-R5xx
SARA-N2xx
SARA-N3xx
SARA-G3xx
SARA-G4xx
SARA-U2xx
36
I2S_CLK / SPI_CLK
I2S_CLK
I2S_CLK
RSVD
RSVD
I2S_CLK
I2S_CLK
I2S_CLK
I2S clock
33
/ SPI clock
V_INT level (1.8 V)
Driver strength: 2 mA
I2S clock
34
V_INT level (1.8 V)
Driver strength: 2 mA
I2S clock
V_INT level (1.8 V)
Reserved
Reserved
I2S clock
V_INT level (1.8 V)
Driver strength: 5 mA
Not supported
I2S clock
V_INT level (1.8 V)
Driver strength: 2 mA
Configurable as GPIO
37
I2S_RXD / SPI_MISO
I2S_RXD
I2S_RXD
RSVD
RSVD
I2S_RXD
I2S_RXD
I2S_RXD
I2S input
V_INT level (1.8 V)
I2S input
V_INT level (1.8 V)
I2S data input
V_INT level (1.8 V)
Reserved
Reserved
I2S data input
V_INT level (1.8 V)
Internal pull-down: ~18 k
Ω
Not supported
I2S data input
V_INT level (1.8 V)
Internal pull-down: ~8 k
Ω
Configurable as GPIO
38
SIM_CLK
SIM_CLK
SIM_CLK
SIM_CLK
SIM_CLK
SIM_CLK
SIM_CLK
SIM_CLK
1.8 V / 3 V SIM clock
1.8 V SIM clock
1.8 V / 3 V SIM clock
1.8 V SIM clock
1.8 V / 3 V SIM clock
1.8 V / 3 V SIM clock
1.8 V / 3 V SIM clock
1.8 V / 3 V SIM clock
39
SIM_IO
SIM_IO
SIM_IO
SIM_IO
SIM_IO
SIM_IO
SIM_IO
SIM_IO
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
1.8 V / 3 V SIM data I/O
Internal pull-up: 4.7 k
Ω
40
SIM_RST
SIM_RST
SIM_RST
SIM_RST
SIM_RST
SIM_RST
SIM_RST
SIM_RST
1.8 V / 3 V SIM reset
1.8 V SIM reset
1.8 V / 3 V SIM reset
1.8 V SIM reset
1.8 V / 3 V SIM reset
1.8 V / 3 V SIM reset
1.8 V / 3 V SIM reset
1.8 V / 3 V SIM reset
41
VSIM
VSIM
VSIM
VSIM
VSIM
VSIM
VSIM
VSIM
1.8 V / 3 V SIM supply
1.8 V SIM supply
1.8 V / 3 V SIM supply
1.8 V SIM supply
1.8 V / 3 V SIM supply
1.8 V / 3 V SIM supply
1.8 V / 3 V SIM supply
1.8 V / 3 V SIM supply
42
GPIO5
GPIO5
GPIO5
RSVD
GPIO5
SIM_DET
SIM_DET
SIM_DET
GPIO / SIM detection input
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO / SIM detection input
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO / SIM detection input
V_INT level (1.8 V)
Driver strength: 5 mA
Reserved
SIM detection input / GPIO
V_INT level (1.8 / 2.8 V)
Driver strength: 3 mA
SIM detection input
V_INT level (1.8 V)
SIM detection input
V_INT level (1.8 V / 3.0 V)
SIM detection input
V_INT level (1.8 V)
Configurable as GPIO
43
GND
GND
GND
GND
GND
GND
GND
GND
Ground
Ground
Ground
Ground
Ground
Ground
Ground
Ground
44
SDIO_D2
ANT_ON
SDIO_D2
RSVD
RSVD
SPK_P
SPK_P
RSVD
SDIO serial data [2]
GNSS LNA on/off signal
connected to internal LNA
SDIO serial data [2]
Configurable as SPI_CLK
(diagnostic only)
Reserved
Reserved
Analog audio output (+)
Analog audio output (+)
Reserved
45
SDIO_CLK
TIMEPULSE
SDIO_CLK
RSVD
RSVD
SPK_N
SPK_N
RSVD
SDIO serial clock
GNSS time pulse output
SDIO serial clock
Reserved
Reserved
Analog audio output (-)
Analog audio output (-)
Reserved
46
SDIO_CMD
EXTINT
SDIO_CMD
RSVD
RSVD
MIC_BIAS
MIC_BIAS
RSVD
SDIO command
GNSS external interrupt
SDIO command
Reserved
Reserved
Microphone supply
Microphone supply
Reserved
47
SDIO_D0
TXD_GNSS
SDIO_D0
RSVD
RSVD
MIC_GND
MIC_GND
RSVD
SDIO serial data [0]
GNSS UART data output
SDIO serial data [0]
Configurable as SPI_MOSI
(diagnostic only)
Reserved
Reserved
Microphone ground
Microphone ground
Reserved
33
Not supported by “00”, “01”, “x2” and “x3” product versions
34
Not supported by “00” product version