User's Manual
Table Of Contents
- Introduction
- Abbreviation
- Features
- Electrical Specifications
- Host interface pin assignments
- LGA Pad Diagram
- Pin Assignments
- Power supply
- USB interface
- SGMII interface
- UIM interface
- Control interface
- Power-on Signal
- Wake-up interface
- Reset Signal
- WWAN state Signal
- Digital interface
- JTAG Interface
- SPI Master Interface
- PCM Interface
- I2S Interface
- I2C Interface
- UART Interface
- ADC Interface
- RF Specifications
- RF connections
- Interference and sensitivity
- GNSS external circuit design
- RF Specification
- 3.5.1 Band support
- 3.5.2 Bandwidth support
- 3.5.3 RF Transmit Specification
- 3.5.4 RF Receiver Specification
- 3.5.5 GNSS Receiver Specification
- Power
- Power consumption
- Software Interface
- Support tools
- USB interface
- Mechanical and Environmental Certifications
- PCBA Form Factor
- Reflow
- PCB pad design
- Labeling
- SMT Voids control
- Mother board PCB thickness
- Stencil design
- Thermal considerations
- Regulatory Compliance and Certification
- Certification testing
- Packaging
- Tape-and-Reel Package
- Single Packaging for Samples
- MSL level
- Safety Recommendation
34
/
71
HW Design Guidelines
2.7.4. I2S Interface
PCM and I2S share the same pins on the modules, I2C only support master mode, keep I2S
signal trace far away from noise and radiating signal on PCB
Config1
Config2
PCM_SYNC
I2S_WS
PCM_DIN
I2S_DATA0
PCM_DOUT
I2S_DATA1
PCM_CLK
I2S_SCK
Figure 11. I2S connection (example)
Timing