Table of Contents
Related Manuals for YUGE CLM920 RV3
Summarization of Contents
Chapter2. Module overview
2.1 Module Introduction
Details the CLM920_RC3 as a wireless communication module and its applications.
2.2 Module characteristics
Lists key features and specifications of the module series.
2.3 Module function
Describes the main circuit units of the CLM920_RC3 LCC module.
Chapter 3. Interface application description
3.2 Module interface
Details the module's various interfaces and pin configurations.
3.2.1 Module pinout
Provides a visual representation of the module's pin layout.
3.2.2 Pin definition
Defines the function of each pin on the CLM920_RC3 module.
3.3 Power interface
Details the module's power interface and supply requirements.
3.3.1 Power supply design
Defines the power pins and their specifications for the module.
3.3.2 Power reference circuit
Provides reference circuits for power supply design, including LDO and switching types.
3.3.3 VDD_EXT Voltage output
Explains the VDD_EXT voltage output for internal digital circuits.
3.4 Switch machine reset
Describes how to control the module's power on/off and reset functions.
3.4.1 Module boot
Explains the boot process using the PWRKEY pin.
3.4.2 Boot sequence
Illustrates the power-on sequence timing diagram and parameters.
3.4.3 Module shutdown
Outlines the three supported methods for shutting down the module.
3.4.4 Reset control
Details the reset pin functionality and methods for resetting the module.
3.5 USB interface
Describes the USB 2.0 slave interface, its pin definition, and application.
USB connection design circuit diagram
Shows the reference circuit for USB interface application.
3.6 UART interface
Covers the two UART interfaces (main and debug) and their serial port levels.
3.6.1 Main UART
Explains the main UART port capabilities, baud rates, and pin signals.
3.6.2 Debug UART port
Describes the 2-wire debug serial port for debugging and log printing.
3.6.3 RI Signal interface
Explains the RI pin's function as a host wake-up interrupt.
3.7 USIM interface
Details the USIM card interface, voltage support, and signal definitions.
3.7.1 USIM card reference circuit
Provides a reference circuit diagram for the USIM card interface.
3.7.2 USIM_PRESENCE Hot Swap Reference Design
Describes the hot swap function of the USIM card and its detection mechanism.
3.8 General GPIO interface
Details the 4 general GPIO control signals and their functions.
3.9 Status indication interface
Explains the GPIO pins used for indicating module status.
3.10 PCM Digital voice interface
Describes the PCM digital audio interfaces for external CODEC communication.
3.11 I2C bus
Details the I2C interface, its level, protocol, and clock rate.
3.12 SDIO interface
Describes the 4-bit SDIO interface, its protocol, voltage, and capacity.
3.13 ADC interface
Explains the two ADC interfaces for reading voltage values, with input voltage limits.
3.14 WiFi SCAN
Describes the WiFi Scan function used for WiFi positioning.
3.15 RF interface
Details the two antenna interfaces (main and GNSS) and their impedance.
3.15.1 Antenna matching circuit
Provides recommended π-type matching circuits for main and GNSS antennas.
3.15.2 RF trace reference
Discusses RF trace impedance control and layout considerations for antenna signals.
Chapter 4. Overall technical indicators
4.2 working frequency
Details the 4G, 2G, and GNSS operating frequency bands.
4.3 Conducted RF measurement
Covers test environments, standards, and conducted RF measurements.
4.3.1 Test environment
Lists the test instruments used for RF measurements.
4.3.2 Standard test
Mentions compliance with 3GPP standards for testing.
4.4 Conducted receive sensitivity and transmit power
Provides test indicators for 2G and 4G receive sensitivity and transmit power.
4.5 Antenna requirements
Specifies the antenna design requirements, including standing wave ratio and gain.
4.6 Power consumption characteristics
Details average shutdown, instrument sleep/idle, and real network sleep/idle power consumption.
Chapter 5. Interface electrical characteristics
5.2 Working storage temperature
Specifies the normal, limit working, and storage temperature ranges.
5.3 Module IO level
Defines the input and output logic voltage levels for the module.
5.4 Power characteristics
Details the module's input power supply requirements and voltage ranges.
5.5 Static characteristics
Discusses ESD protection considerations for the module.
5.6 Reliability index
Presents the results of reliability tests, including temperature and drop tests.
Chapter 6. Structure and mechanical properties
6.2 Exterior
Shows the physical appearance of the CLM920_RC3 module.
6.3 Mechanical Dimensions
Provides front, side, and bottom views with mechanical dimensions of the module.
Chapter7. Packaging and production
7.2 Module packaging and storage
Describes packaging methods, quantities, and storage conditions.
7.3 Production welding
Provides guidelines for SMT cable handling, reflow oven usage, and PCB layout.
Chapter 8. Appendix
8.2 Acronyms
Provides a list of abbreviations and their full names used in the document.
8.3 Encoding
Details GPRS/EDGE time slot allocation tables and maximum data rates.
8.4 Use safety and precautions
Informs users about safety information, interference, medical, and environmental precautions.
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