SARA-G450 - System integration manual
UBX-18046432 - R08 Appendix Page 132 of 143
C1-Public
Shutdown input
Internal pull-up: ~37 kΩ
L-level: -0.30 ÷ 0.63 V
H-level: 1.17 ÷ 2.10 V
It triggers shutdown of
the whole module when
set low or toggled.
TestPoint recommended
Reset input
Internal pull-up: ~56 kΩ
L-level: -0.30 ÷ 0.50 V
H-level: 1.3 ÷ 2.1 V
It triggers module reboot
when toggled, without
PMU shutdown when low.
TestPoint recommended
Reset input
Internal pull-up: ~78 kΩ
L-level: 0 ÷ 0.36*VCC
H-level: 0.52*VCC ÷ VCC
It triggers module reboot
when toggled, without
PMU shutdown when low.
TestPoint recommended
Reset shutdown input
Internal pull-up: ~70 kΩ
L-level: 0.00 ÷ 0.20 V
H-level: 0.90 ÷ 1.10 V
It triggers module reboot
when toggled, with PMU
shutdown when low.
TestPoint recommended
Reset input
Internal diode & pull-up
L-level: -0.10 ÷ 0.15 V
H-level: 1.40 ÷ 4.50 V
It triggers module reboot
when toggled, without
PMU shutdown when low.
TestPoint recommended
Shutdown input
Internal diode
L-level: 0.00 ÷ 0.10 V
H-level: 1.20 ÷ 1.50 V
It triggers shutdown of
the whole module when
set low or toggled.
TestPoint recommended
Reset shutdown input
Internal pull-up: 10 kΩ
L-level: -0.30 ÷ 0.51 V
H-level: 1.32 ÷ 2.01 V
It triggers module reboot
when toggled, with PMU
shutdown when low.
TestPoint recommended
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 5 mA
AUX UART data output
24
V_INT level (1.8 / 2.8 V)
AUX UART data output
24
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
13 or 26 MHz output
V_INT level (1.8 V)
Driver strength: 4 mA
V_INT voltage selection
VSEL connected to GND:
V_INT = 1.8 V
VSEL unconnected:
V_INT = 2.8 V
V_INT voltage selection
VSEL connected to GND:
V_INT = 1.8 V
VSEL unconnected:
V_INT = 3.0 V
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 5 mA
GPIO
V_INT level (1.8 / 2.8 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 6 mA
GPIO
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 6 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 5 mA
GPIO
25
V_INT level (1.8 V)
Driver strength: 1 mA
GPIO
V_INT level (1.8 / 2.8 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 5 mA
GPIO
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 6 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 2 mA
GPIO
V_INT level (1.8 V)
Driver strength: 5 mA
GPIO
V_INT level (1.8 / 2.8 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 6 mA
GPIO
V_INT level (1.8 / 3.0 V)
Driver strength: 3 mA
GPIO
V_INT level (1.8 V)
Driver strength: 6 mA
I2C data
26
V_INT level (1.8 V)
Open drain
Internal pull-up: 2.2 kΩ
I2C data
V_INT level (1.8 V)
Open drain
Internal pull-up: 2.2 kΩ
I2C data
V_INT level (1.8 V)
Open drain
Internal active pull-up
TestPoint recommended
I2C data
25
V_INT level (1.8 V)
Open drain
No internal pull-up
I2C data
24
V_INT level (1.8 / 2.8 V)
Open drain
Internal pull-up: 10 kΩ
I2C data
V_INT level (1.8 V)
Open drain
No internal pull-up
I2C data
24
V_INT level (1.8 / 3.0 V)
Open drain
No internal pull-up
I2C data / AUX UART input
V_INT level (1.8 V)
Open drain
No internal pull-up
Not supported by “00” product version
Not supported by “02” product version
Not supported by “00” and “01” product versions
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