Yuga CLM920_AC3 Parts list manual

Product name
CLM920_AC3 Module Hardware Usage Guide
Number of pages
59
Version
V1.0
Date
2019/3/21
CLM920_AC3
Module Hardware Usage Guide
V1.0
Shanghai Yuge Information Technology co., LTD
All rights reserved

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
- 2 -
Revise history
Version
Date
Description
Author
V1.0
20190321
Initialized version
David

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Contents
Chapter 1. Introduction...........................................................................................................- 9 -
Chapter 2. Module Overview................................................................................................. - 3 -
2.1 Module introduction......................................................................................................- 3 -
2.2 Module characteristics.................................................................................................. - 3 -
2.3 Module function............................................................................................................- 5 -
Chapter 3. Interface Application Description.........................................................................- 7 -
3.1 Chapter overview.......................................................................................................... - 7 -
3.2 Module interface........................................................................................................... - 8 -
3.2.1 Module pin distribution.......................................................................................... - 8 -
3.2.2 Pin definition.......................................................................................................... - 9 -
3.3 Power interface........................................................................................................... - 16 -
3.3.1 Power supply design.............................................................................................- 16 -
3.3.2 Power reference circuit.........................................................................................- 17 -
3.3.3 VDD_EXT Voltage output................................................................................... - 19 -
3.4 Switching machine reset mode................................................................................... - 19 -
3.4.1 Module boot......................................................................................................... - 19 -
3.4.2 Boot timing...........................................................................................................- 20 -
3.4.3 Module shutdown................................................................................................. - 21 -
3.4.4 Reset control.........................................................................................................- 22 -
3.5 USB interface..............................................................................................................- 24 -
3.6 UART interface........................................................................................................... - 25 -
3.6.1 Main serial port.....................................................................................................- 25 -
3.6.2 Debug serial port.................................................................................................. - 27 -
3.6.3 RI Signal interface................................................................................................- 27 -
3.7 USIM interface............................................................................................................- 28 -
3.7.1 USIM card reference circuit................................................................................. - 29 -
3.7.2 USIM_ PRESENCE Hot Swap Reference Design...............................................- 30 -
3.8 General purpose GPIO interface.................................................................................- 31 -
3.9 Status indication interface...........................................................................................- 32 -
3.10 PCM digital voice interface (under developing).......................................................- 33 -
3.11 I2C bus (under developing).......................................................................................- 35 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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3.12 WLAN interface (under developing)........................................................................ - 35 -
3.13 ADC interface........................................................................................................... - 36 -
3.14 RF interface...............................................................................................................- 37 -
3.14.1 Antenna matching circuit....................................................................................- 37 -
3.14.2 RF trace reference...............................................................................................- 39 -
Chapter 4. Overall Technical Indicators............................................................................... - 41 -
4.1 Chapter overview........................................................................................................ - 41 -
4.2 Working frequency......................................................................................................- 41 -
4.3 Conducted radio frequency measurement...................................................................- 41 -
4.3.1 Test environment.................................................................................................. - 41 -
4.3.2 Standard test......................................................................................................... - 42 -
4.4 Conducted receiving sensitivity and transmit power.................................................. - 42 -
4.5 Antenna requirements................................................................................................. - 43 -
4.6 Power consumption characteristics.............................................................................- 44 -
Chapter 5. Interface Electrical Characteristics..................................................................... - 46 -
5.1 Chapter overview........................................................................................................ - 46 -
5.2 Working storage temperature...................................................................................... - 46 -
5.3 Module IO level.......................................................................................................... - 46 -
5.4 Voltage........................................................................................................................ - 46 -
5.5 Electrostatic property.................................................................................................. - 47 -
5.6 Reliability index..........................................................................................................- 47 -
Chapter 6.Structural and mechanical properties...................................................................- 50 -
6.1 Chapter overview........................................................................................................ - 50 -
6.2 Exterior....................................................................................................................... - 50 -
6.3 Mechanical Dimensions..............................................................................................- 50 -
Chapter 7. Packaging and Production.................................................................................. - 53 -
7.1 Chapter overview........................................................................................................ - 53 -
7.2 Module packaging and storage................................................................................... - 53 -
7.3 Production welding..................................................................................................... - 53 -
Chapter 8. Appendix.............................................................................................................- 55 -
8.1 Chapter overview........................................................................................................ - 55 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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8.2 Abbreviations.............................................................................................................. - 55 -
8.3 Encoding..................................................................................................................... - 56 -
8.4 Safety and precautions................................................................................................ - 58 -
Image index
Figure 2-1 Functional block diagram of the CLM920 AC3 LCC module............................. - 6 -
Figure 3-1 CLM920_AC3 module pin distribution diagram (TOP surface perspective).......- 8 -
Figure 3-2 Power supply design...........................................................................................- 17 -
Figure 3-3 LDO linear power supply reference circuit........................................................ - 17 -
Figure 3-4 DC switching power supply reference circuit.................................................... - 18 -
Figure 3-5 PMOS tube control power switch reference circuit............................................- 18 -
Figure 3-6 Startup timing diagram....................................................................................... - 20 -
Figure 3-7 Open set drive start reference circuit.................................................................. - 21 -
Figure 3-8 Button start reference circuit.............................................................................. - 21 -
Figure 3-9 Shutdown timing diagram...................................................................................- 22 -
Figure 3-10 Reset Reference Circuit.................................................................................... - 23 -
Figure 3-11 Reset timing diagram........................................................................................ - 23 -
Figure 3-12 USB connection design circuit diagram........................................................... - 24 -
Figure 3-13 Four-wire serial port design..............................................................................- 26 -
Figure 3-14 Two-wire serial port design.............................................................................. - 26 -
Figure 3-15 Level conversion chip circuit............................................................................- 27 -
Figure 3-16 RI pin signal waveform.................................................................................... - 28 -
Figure 3-17 USIM design circuit diagram............................................................................- 29 -
Figure 3-18 Hot swap detection of the USIM card.............................................................. - 30 -
Figure 3-19 Network indicator circuit diagram....................................................................- 32 -
Figure 3-20 PCM short frame mode timing diagram........................................................... - 34 -
Figure 3-21 PCM to analog voice map.................................................................................- 34 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
- 6 -
Figure 3-22 I2C interface reference circuit diagram............................................................ - 35 -
Figure 3-23 Antenna matching circuit..................................................................................- 38 -
Figure 3-24 Comparison of received signal strengths with and without diversity antennas- 38 -
Figure 3-25 Complete structure of the microstrip line......................................................... - 39 -
Figure 3-26 Complete structure of the strip line.................................................................. - 40 -
Figure 3-27 Reference ground is the third layer PCB microstrip transmission line structure- 40 -
Figure 6-1 Appearance of the CLM920 AC3....................................................................... - 50 -
Figure 6-2 Front view and side view of the module (unit: mm).......................................... - 50 -
Figure 6-3 Bottom view of the module (unit: mm).............................................................. - 51 -
Figure 6-4 Recommended module package (unit: mm)....................................................... - 52 -
Figure 7-1 Reflow soldering temperature graph.................................................................. - 54 -
Table index
Table 2-1 Key Features...........................................................................................................- 3 -
Table 3-1 Pin definitions........................................................................................................ - 9 -
Table 3-2 IO parameter definition........................................................................................ - 11 -
Table 3-3 Pin description...................................................................................................... - 11 -
Table 3-4 Power pin definitions........................................................................................... - 16 -
Table 3-5 Switching machine pin definition........................................................................ - 19 -
Table 3-6 Boot timing parameters........................................................................................ - 20 -
Table 3-7 Module shutdown mode....................................................................................... - 21 -
Table 3-8 Reset foot definition............................................................................................. - 22 -
Table 3-9 RESET pin parameters......................................................................................... - 23 -
Table 3-10 USB interface pin definition.............................................................................. - 24 -
Table 3-11 Main serial port signal definition....................................................................... - 25 -
Table 3-12 Debugging serial port pin definitions.................................................................- 27 -
Table 3-13 SIM card signal definition..................................................................................- 28 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Table 3-14 SIM card hot swap detection pin definition....................................................... - 30 -
Table 3-15 General GPIO Pin Definitions............................................................................- 31 -
Table 3-16 Network indication pin definition...................................................................... - 32 -
Table 3-17 Network operation status indication...................................................................- 32 -
Table 3-18 Module status indication.................................................................................... - 32 -
Table 3-19 PCM pin definition.............................................................................................- 33 -
Table 3-20 PCM specific parameters................................................................................... - 33 -
Table 3-21 I2C pin definition............................................................................................... - 35 -
Table 3-22 Wireless connection pin definition.....................................................................- 36 -
Table 3-23 ADC Pin Definitions.......................................................................................... - 36 -
Table 3-24 Antenna interface pin definition.........................................................................- 37 -
Table 4-1 RF frequency table............................................................................................... - 41 -
Table 4-2 Test instruments....................................................................................................- 41 -
Table 4-3 3G RF Specifications........................................................................................... - 42 -
Table 4-4 4G RF sensitivity indicators.................................................................................- 42 -
Table 4-5 4G RF transmit power specifications................................................................... - 43 -
Table 4-6 Antenna indicator requirements........................................................................... - 43 -
Table 4-7 Sleep and idle power consumption of the three major operators......................... - 44 -
Table 4-8 WCDMA call power consumption....................................................................... - 44 -
Table 4-9 HSDPA data transmission power consumption....................................................- 44 -
Table 4-10 LTE data transmission power consumption....................................................... - 44 -
Table 5-1 CLM920 AC3 module working storage temperature........................................... - 46 -
Table 5-2 Electrical Characteristics of CLM920 AC3 Module............................................ - 46 -
Table 5-3 Working voltage of CLM920 AC3 module..........................................................- 46 -
Table 5-4 CLM920 AC3 ESD Features................................................................................- 47 -
Table 5-5 CLM920 AC3 Reliability Test............................................................................. - 47 -
Table 7-1 Reflow process parameter table........................................................................... - 54 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Table 8-1 Abbreviations....................................................................................................... - 55 -
Table 8-2 Maximum HSDPA rate.........................................................................................- 56 -
Table 8-3 Maximum HSUPA rate.........................................................................................- 57 -
Table 8-4 LTE-FDD DL maximum rate............................................................................... - 57 -
Table 8-5 LTE-FDD UL maximum rate............................................................................... - 58 -

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Chapter 1. Introduction
This document is a hardware solution manual for the wireless solution product CLM920
AC3 module. It is intended to describe the hardware components and functional
characteristics of the module solution, application interface definition and usage instructions,
electrical performance and mechanical characteristics. Combined with this and other
application documents, users can quickly use this module to design wireless products.

CLM920_AC3 Module Hardware Usage Guide
Shanghai Yuge Information Technology co., LTD
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Chapter 2. Module Overview
2.1 Module introduction
The CLM920_AC3 module is a wireless communication module that integrates various
network standards such as FDD-LTE/TDD-LTE/WCDMA, and supports a maximum
downlink rate of 150 Mbps and a maximum uplink rate of 50 Mbps. The module is based on
ASR's ASR1802SL platform. It has built-in multiple network protocols (PAP, PPP, CHAP,
TCP, UDP, etc.) and supports multiple functions (WAKEUP, W_DISABLE, AP_READY,
etc.), and supports Windows 7/Windows 8/Windows 10/. Embedded operating system such as
Android 4.0 or higher.
The CLM920 AC3 module can be used in the following applications:
Car Equipment
Wireless POS machine
Wireless advertising, multimedia
Remote monitoring
Smart meter reading
Mobile broadband
automated industry
Other wireless terminals, etc.
2.2 Module characteristics
Table 2-1 Key Features
Characteristic
Description
Physical characteristics
32mm x 29mm x 2.4mm
Fixed way
LCC package, patch mount
Operating Voltage
3.3V - 4.2V Typical Voltage 3.7V
Energy saving current
Standby current < 5mA
USIM card interface
Support 3.0V/1.8V, support hot swap function
USB interface
USB2.0 (High-Speed) (only supports slave mode),
data transfer rate up to 480Mbps
For AT commands, data transfer, software debugging
and software upgrades