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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Table 16: Pin Definition of PCM Interfaces
Pin Name
Pin No.
I/O
Description
Comment
PCM_CLK
3
DO
PCM clock output
1.8V power domain
PCM_SYNC
35
DO
PCM frame synchronization
output
1.8V power domain
PCM_IN
2
DI
PCM data input
1.8V power domain
PCM_OUT
34
DO
PCM data output
1.8V power domain
The following figure shows the external codec reference design.
Figure 17: Reference Circuit of PCM Application with Audio Codec
3.7 I2C Interface
SIM7090G provides an I2C interface with clock rate up to 400 kbps. Its operation voltage is 1.8V.
The following figure shows the I2C bus reference design.