User's Manual
Table Of Contents
- Contents
- Table Index
- Figure Index
- 1Introduction
- 1.1Product Outline
- 1.2Hardware Interface Overview
- 1.3Hardware Block Diagram
- 1.4Functional Overview
- 2Package Information
- 2.1.Pin Assignment Overview
- 2.2.Pin Description
- 2.3.Mechanical Information
- 2.4.Footprint Recommendation
- 3Interface Application
- 3.1Power Supply
- 3.3UART Interface
- 3.4USB Interface
- 3.5SIM Interface
- 3.6PCM Interface
- 3.7I2C Interface
- 3.8SPI Interface
- 3.9Network status
- 3.10ADC interface
- 3.11LDO output
- 3.12USB_BOOT Interface
- 3.13GPIO Interface
- 3.14 RF control Interface
- 3.15Force USB Download Interface
- 4RF Specifications
- 4.1LTE RF Specifications
- 4.2LTE Antenna Design Guide
- 4.3GNSS
- 4.4RF traces note
- 5 Electrical Specifications
- 5.1Absolute maximum ratings
- 5.2Operating conditions
- 5.3Operating Mode
- 5.4Current Consumption
- 5.5ESD Notes
- 6 SMT Production Guide
- 6.1Top and Bottom View of SIM7090G
- 6.2Label Information
- 6.3Typical SMT Reflow Profile
- 6.5Baking
- 6.6Stencil Foil Design Recommendation
- 7 Packaging
- 7.1Tray packaging
- 8 Appendix
- 8.1Coding Schemes and Maximum Net Data Rates over Air
- 8.2Related Documents
- 8.3Terms and Abbreviations
- 8.4Safety Caution
SIM7090G User Manual V1.01
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data output for GNSS.
unused, keep them open.
GNSS_UART_RXD
4
DI,PU
I2C interface
I2C_SDA
5
OD
I2C serial data. Used for
external codec. External pull-up
resistor is required.
If unused, keep open, or else
pull them up via 1KΩ
resistors to the VDD_EXT.
I2C_SCL
37
OD
I2C serial clock. Used for
external codec. External pull-up
resistor is required.
PCM interface
PCM_DIN
2
DI
PCM data input.
1.8V power domain. If
unused, keep this pin open.
PCM_OUT
34
DO
PCM data output.
PCM_CLK
3
DO
PCM data bit clock.
PCM_SYNC
35
DO
PCM data frame sync signal.
SPI interface
SPI_CS_N
63
DO
Chip Select
1.8V power domain. If
unused, please keep them
open.
SPI_MOSI DO NOT PULL
UP DURING NORMAL
POWER UP!
SPI_MOSI
40
DO
SPI master-out
slave-in
Note: It cannot be pulled up
before booting. Otherwise it
will affect the normal boot.
SPI_CLK
9
DO
Bus clock output
SPI_MISO
8
DI
SPI master-in
slave-out
GPIO
NETLIGHT
79
DO
Indicate the module’s network
activity status.
1.8V power domain.
If unused, keep them open.
STATUS
78
DO
Indicate the module’s operation
status.
High level: Power on and
firmware ready.
Low level: Power off.
GPIO1
1
IO
General-purpose input/output
interface
1.8V power domain.
If unused, keep them open.
GPIO33
33
IO
General-purpose input/output
interface
GPIO57
57
IO
General-purpose input/output
interface
RF interface
ANT _GNSS
32
AI
GNSS antenna interface
50Ω impedance.
If unused, keep this pin open.
ANT _MAIN
26
AIO
MAIN antenna interface
50Ω impedance
RF control interface
GRFC_2
72
IO
GRFC dedicated signals lines
VC2
1.8V power domain.
It can be connected to
external antenna tuner to
enhance antenna
performance. If not used, it
can be suspended.
GRFC_1
29
IO
GRFC dedicated signals lines
VC1
Other interface
W_DISABLE#
41
DI
Airplane mode control
1.8V power domain.
Pulled up by default. When it
is in low voltage level, the