GPIO
NETLIGHT
52
STATUS
66
W_DISABLE#
18
AP_READY
19
GPIO31
16
GPIO6
25
GPIO7
26
GPIO12
64
GPIO13
65
GPIO50
66
GPIO57
83
GPIO58
84
GPIO52
85
GPIO36
86
GPIO40
87
GPIO41
88
GPIO20
93
RF interface
ANT_GNSS
49
ANT_MAIN
60
Other interface
BOOT_CFG
6
ADC1
2
ADC0
24
PS_HOLD
94
www.simcom.com
LED control output as network status
DO
indication.
Operating status output.
High level: Power on and firmware
DO
ready
Low level: Power off
DI
Airplane mode control
Application processor sleep state
DI
detection
General purpose input/output, With
IO
interrupt function
General purpose input/output, Without
IO
interrupt function.
General purpose input/output, Without
IO
interrupt function.
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
General purpose input/output, With
IO
interrupt function
AI
GNSS antenna soldering pad
AIO
MAIN antenna soldering pad
If it needs to enter into forced USB
download mode, it must be pulling up
DI,PD
this pin to VDD_EXT before press the
PWRKEY. If it needs to boot up
normally, please keep this pin open
Analog-digital converter input.
AI
voltage range:0V~1.875V.
Analog-digital converter input.
AI
voltage range:0V~1.875V.
Power supply hold control input. This
DI
signal's main purpose is to tell the
SIM7075G User Manual V1.00
If unused, keep them
open.
50Ω impedance
50Ω impedance
Reserve a test points
for it. Keep it open.DO
NOT PULL UP DURING
NORMAL POWER UP!
ADC0 and ADC1
cannot be used
Simultaneously, if
unused, keep them
open.
C
=10 pF
max
17 / 74
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