Sunsea AIoT SimCom SIM7090G User Manual page 18

GNSS_UART_RXD
4
I2C interface
I2C_SDA 5
I2C_SCL
37
PCM interface
PCM_DIN 2
PCM_OUT
34
PCM_CLK 3
PCM_SYNC
35
SPI interface
SPI_CS_N 63
SPI_MOSI 40
SPI_CLK
9
SPI_MISO 8
GPIO
NETLIGHT
79
STATUS 78
GPIO1 1
GPIO33 33
GPIO57 57
RF interface
ANT _GNSS 32
ANT _MAIN
26
RF control interface
GRFC_2 72
GRFC_1 29
Other interface
W_DISABLE#
41
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data output for GNSS.
DI,PU
I2C serial
OD external codec. External pull-up
resistor is required.
I2C serial clock.
OD external codec. External pull-up
resistor is required.
DI PCM data input.
DO PCM data output.
DO PCM data bit clock.
DO PCM data frame sync signal.
DO Chip Select
SPI master-out
slave-in
DO Note: It cannot be pulled up
before booting.
will affect the normal boot.
DO Bus clock output
SPI master-in
DI
slave-out
Indicate the module's network
DO
activity status.
Indicate the module's operation
status.
DO High level: Power on and
firmware ready.
Low level: Power off.
General-purpose input/output
IO
interface
General-purpose input/output
IO
interface
General-purpose input/output
IO
interface
AI GNSS antenna interface
AIO MAIN antenna interface
GRFC dedicated signals lines
IO
VC2
GRFC dedicated signals lines
IO
VC1
DI Airplane mode control
SIM7090G User Manual V1.01
unused, keep them open.
data. Used for
If unused, keep open, or else
pull them up via 1KΩ
Used for
resistors to the VDD_EXT.
1.8V
unused, keep this pin open.
1.8V
unused, please keep them
open.
Otherwise it
SPI_MOSI DO NOT PULL
UP
POWER UP!
1.8V power domain.
If unused, keep them open.
1.8V power domain.
If unused, keep them open.
50Ω impedance.
If unused, keep this pin open.
50Ω impedance
1.8V power domain.
It
external antenna tuner to
enhance
performance. If not used, it
can be suspended.
1.8V power domain.
Pulled up by default. When it
is in low voltage level, the
power domain.
power domain.
DURING NORMAL
can be connected
antenna
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If
If
to