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Product name CLM920_AC3 Module Hardware Usage Guide Number of pages Version V1.0 Date 2019/3/21 CLM920_AC3 Module Hardware Usage Guide V1.0 Shanghai Yuge Information Technology co., LTD All rights reserved...
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CLM920_AC3 Module Hardware Usage Guide Revise history Version Date Description Author V1.0 20190321 Initialized version David Shanghai Yuge Information Technology co., LTD - 2 -...
CLM920_AC3 Module Hardware Usage Guide 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.
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.
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CLM920_AC3 Module Hardware Usage Guide USB driver: Supports Windows XP, Windows 7, Windows 10, Windows CE 5.0/6.0/7.0, Linux 2.6 or higher Android 2.3/4.0/4.2/4.4/5.0/6.0/7.1, etc. Main serial port (4 lines): Support RTS and CTS hardware flow control ...
CLM920_AC3 Module Hardware Usage Guide WCDMA:B1/B5/B8 LTE: Class 3(23dBm±2dB) Transmit power UMTS: Class 3(24dBm+1/-3dB) WCDMA(3GPP R8) UMTS R99: DL 384kbps/UL 384kbps DC-HSPA+: DL 42Mbps/UL 5.76Mbps Data service LTE(non-CA Cat4) LTE FDD:DL 150Mbps/UL 50Mbps@20M BW cat4 LTE TDD:DL 130Mbps/UL 35Mbps@20M BW cat4 ...
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CLM920_AC3 Module Hardware Usage Guide Memory unit RF transceiver unit Module interface unit The functional block diagram of the CLM920 AC3 LCC module is shown below: Figure 2-1 Functional block diagram of the CLM920 AC3 LCC module Shanghai Yuge Information Technology co., LTD...
CLM920_AC3 Module Hardware Usage Guide Chapter 3. Interface Application Description 3.1 Chapter overview This chapter mainly describes the interface definition and application of this module. Contains the following sections: 144 pin pin distribution map Interface definition Power interface ...
CLM920_AC3 Module Hardware Usage Guide 3.2 Module interface 3.2.1 Module pin distribution Figure 3-1 CLM920_AC3 module pin distribution diagram (TOP surface perspective) The modules Pin85~Pin112 are heat-dissipating pads. It is recommended to ground the design during design. All RESERVED and unused Pin feet need to be left floating.
CLM920_AC3 Module Hardware Usage Guide 3.2.2 Pin definition The CLM920_AC3 module is an LCC interface module. Its pin definitions are shown in the following table: Table 3-1 Pin definitions Pin name Pin name WAKEUP_IN AP_READY RESERVED W_DISABLE# NET_MODE NET_STATUS VDD_EXT...
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CLM920_AC3 Module Hardware Usage Guide VBAT_BB Module baseband power input provide pull-up for external VDD_EXT 1.8V voltage output GPIO (maximum 50MA), please keep left floating 8~10,19,22, 36,46,48,50 Ground ~54,56,72 85~112 Heat sink pad Module switch machine and reset Definition Functional description...
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CLM920_AC3 Module Hardware Usage Guide Request to send 1.8V, please hang when not in use Main serial port data 1.8V, please hang transmission when not in use Main serial data reception 1.8V, please hang when not in use Debug serial port...
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CLM920_AC3 Module Hardware Usage Guide Definition Functional description Remarks NET_MODE Module 4G Network Status 1.8V, please hang Indicator when not in use NET_STATUS Module network status 1.8V, please hang indication when not in use STATUS Module running status 1.8V, please hang...
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CLM920_AC3 Module Hardware Usage Guide configurable, no need WLAN_CLK_ OSC mode enable WLAN_CLK_2 26M clock External 26M clock WLAN_PDN WLAN power down mode Active low WLAN_DCEN External LDO enable control Active high ADC interface Definition Functional description Remarks ADC1 12bits resolution universal Input range 0~1.3V...
CLM920_AC3 Module Hardware Usage Guide 3.3 Power interface The CLM920 AC3 module power connector consists of three parts: VBAT_BB, VBAT_RF is the module working power supply USIM_VDD is the working power supply for SIM card VDD_EXT is 1.8V output power (50mA) 3.3.1 Power supply design...
CLM920_AC3 Module Hardware Usage Guide capacitor (eliminating clock and digital signal interference) and 10pF, 33pF (eliminating low frequency RF interference). Ceramic capacitors. Figure 3-2 Power supply design 3.3.2 Power reference circuit In actual design, the power circuit can be designed using a switching DC power supply or a linear LDO power supply, and then the PMOS transistor is used to control the power supply input so that the power supply can be completely cut off.
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CLM920_AC3 Module Hardware Usage Guide Figure 3-4 DC switching power supply reference circuit Figure 3-5 PMOS tube control power switch reference circuit To prevent damage to the module from surges and overvoltages, it is recommended to connect a 5.1V/500mW Zener diode to the VBAT pin of the module.
CLM920_AC3 Module Hardware Usage Guide 3.3.3 VDD_EXT Voltage output The CLM920 AC3 module outputs 1.8V through VDD_EXT for internal digital circuitry. This voltage is the logic level voltage of the module. After normal power-on, the 17th pin will output 1.8V and the current load will be 50mA. The external master can read the voltage of VDD_EXT to determine if the module is powered on.
CLM920_AC3 Module Hardware Usage Guide 3.4.2 Boot timing Figure 3-6 Startup timing diagram Table 3-6 Boot timing parameters Symbol Description Typical unit Boot low level width Ton(status) Boot time (according to status status) Boot time (according to usb Ton(usb) status)
CLM920_AC3 Module Hardware Usage Guide shutdown When the module is working normally, do not shut down the power by turning off the power, which may damage the module's Flash data. It is recommended to execute the shutdown process through the PWRKEY and AT commands.
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CLM920_AC3 Module Hardware Usage Guide Figure 3-10 Reset Reference Circuit Table 3-9 RESET pin parameters Symbol Description Typical unit Treset Low pulse width RESET input high level voltage 1.17 RESET input low level voltage -0.3 Reset RESET timing is as follows:...
CLM920_AC3 Module Hardware Usage Guide 3.5 USB interface The CLM920 AC3 module USB interface supports USB2.0 high-speed protocol, supports slave mode, and does not support USB charging mode. USB input and output traces must comply with the USB2.0 feature. The USB interface is defined as follows:...
CLM920_AC3 Module Hardware Usage Guide with the data line. The USB interface of the module does not provide USB bus power, and the module can only be used as a slave device of the USB bus device. The USB interface can support functions such as software download upgrade, data communication, AT Command and other functions.。...
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CLM920_AC3 Module Hardware Usage Guide UART receive data -0.3 When the user wants to use the 4-wire serial port, you can refer to the following connection methods Figure 3-13 Four-wire serial port design If you need to use a 2-wire serial port, you can refer to the following serial port design.
CLM920_AC3 Module Hardware Usage Guide Figure 3-15 Level conversion chip circuit 3.6.2 Debug serial port The 11th and 12th pins of the module are debug serial port pins, and the debug serial port supports 115200bps baud rate. It is used for Linux control and log printing. It can reserve test points for module debugging.
CLM920_AC3 Module Hardware Usage Guide Figure 3-16 RI pin signal waveform Send AT+DISABLEUSB=1, AT+CSCLK=1, after the module enters sleep. 3.7 USIM interface The CLM920 AC3 module provides a USIM card interface compatible with the ISO 7816-3 standard. The USIM card power supply is provided by the module's internal power manager and supports 1.8V/3.0V voltage.
CLM920_AC3 Module Hardware Usage Guide VDD- 3.05 0.45 0.45 VDD- 3.05 USIM USIM_ USIM_VDD: 0.45 card 3.0V/1.8V clock 0.45 VDD- 3.05 USIM USIM_ USIM_VDD: 0.45 card 3.0V/1.8V reset 0.45 3.7.1 USIM card reference circuit The CLM920 AC3 module does not come with a USIM card slot. Users need to design a USIM card slot on their own interface board.
CLM920_AC3 Module Hardware Usage Guide from the RF radiation of the antenna. The card trace should be as far away as possible from the RF, power supply and high-speed signal lines. There is no pull-up resistor inside USIM_DATA, which requires an external 47K resistor to be pulled up to VDD_EXT.
CLM920_AC3 Module Hardware Usage Guide It is recommended to add a diode protection next to the USIM_PRESENCE pin of the module. When using a normally closed SIM card holder or a normally open SIM card holder, the detection function can be set by the AT command. If AT+HOSCFG=1 is set, the status of the SIM card is high when the SIM card is in place, and AT+HOSCFG=1 is set.
CLM920_AC3 Module Hardware Usage Guide It can also be set to flight mode by AT+CFUN. For details, please refer to CLM920 AC3 AT command set. 3.9 Status indication interface The CLM920 AC3 module provides three GPIO pins to indicate module status.
CLM920_AC3 Module Hardware Usage Guide The brightness of the network indicator can be adjusted by adjusting the current limiting resistor R. The current can be adjusted up to 40mA.。 3.10 PCM digital voice interface (under developing) The CLM920 AC3 module provides a set of PCM digital audio interfaces for communication with external CODE audio devices.
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CLM920_AC3 Module Hardware Usage Guide Figure 3-20 PCM short frame mode timing diagram PCM to analog voice recommendation circuit is as follows: Figure 3-21 PCM to analog voice map Shanghai Yuge Information Technology co., LTD - 34 -...
CLM920_AC3 Module Hardware Usage Guide 3.11 I2C bus (under developing) The CLM920 AC3 module provides a set of hardware bidirectional serial buses with an I2C interface of 1.8V level, a 5.0 protocol interface, and a clock rate of 400KHz. Table 3-21 I2C pin definition...
CLM920_AC3 Module Hardware Usage Guide converter interface 1 resolution12bits ADC0 Analog to digital 1.3V ADC resolution converter interface 0 12bits 3.14 RF interface The CLM920 AC3 module provides two antenna interfaces, one main set antenna interface, which is responsible for the 4G and 3G signals of the transceiver module, and one diversity antenna interface.
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CLM920_AC3 Module Hardware Usage Guide Figure 3-23 Antenna matching circuit Figure 3-24 Comparison of received signal strengths with and without diversity antennas The CLM920 AC3 module provides two RF antenna interfaces, which are the main set antenna and the diversity antenna respectively. The antenna interface must be a 50 ohm characteristic impedance trace.
CLM920_AC3 Module Hardware Usage Guide tube at the D1/D2 of the antenna connection. The parasitic capacitance of the TVS tube pins themselves must be small to avoid signal interference. The ESD protection component used on the antenna must take into account the frequency band used by the antenna and the minimum parasitic capacitance that can be accepted by different frequency bands.
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CLM920_AC3 Module Hardware Usage Guide Figure 3-26 Complete structure of the strip line Figure 3-27 Reference ground is the third layer PCB microstrip transmission line structure Shanghai Yuge Information Technology co., LTD - 40 -...
CLM920_AC3 Module Hardware Usage Guide R&S CMW500 Agilent 66319 MXHP32HP1000 4.3.2 Standard test The CLM920 AC3 module passes the 3GPP TS 51.010-1, 3GPP TS 34.121-1, 3GPP TS 36.521-1, 3GPP2 C.S0011 and 3GPP2 C.S0033 test standards. Each module passes rigorous testing at the factory to ensure reliable quality.
CLM920_AC3 Module Hardware Usage Guide <2.5:1 >40% >18 <-105 ≤2.5dbi 4.6 Power consumption characteristics Table 4-7 Sleep and idle power consumption of the three major operators Operator System condition mode Current consumption mA Sleep mode Reserved Without USB CTCC connection...
CLM920_AC3 Module Hardware Usage Guide The power-on time of any interface of the module must not be earlier than the boot time of the module, otherwise the module may be abnormal or damaged. 5.5 Electrostatic property There is no overvoltage protection inside the CLM920 AC3 module. The ESD protection is required when the module is used to ensure product quality.
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CLM920_AC3 Module Hardware Usage Guide temperature Working mode: normal work 2-A108 Function check: normal work Test duration: 24h RF indicator check: normal High temperature: 85oC Low temperature: –40oC JESD2 Visual inspection: normal Temperature Working mode: normal work 2-A105 Function check: normal...
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CLM920_AC3 Module Hardware Usage Guide Temperature: 85oC High Working mode: no JESD2 Visual inspection: normal temperature packaging, no power, no 2-A103 Function check: normal storage boot RF indicator check: normal Test duration: 24h Shanghai Yuge Information Technology co., LTD - 49 -...
CLM920_AC3 Module Hardware Usage Guide Chapter 6.Structural and mechanical properties 6.1 Chapter overview Exterior Module mechanical size 6.2 Exterior The CLM920 AC3 module is a PCBA with a single-sided layout. The appearance of the module is as follows:...
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CLM920_AC3 Module Hardware Usage Guide The figure below shows the bottom view size of the module: Figure 6-3 Bottom view of the module (unit: mm) Shanghai Yuge Information Technology co., LTD - 51 -...
CLM920_AC3 Module Hardware Usage Guide Chapter 7. Packaging and Production 7.1 Chapter overview Module packaging and storage Production welding 7.2 Module packaging and storage The CLM920 AC3 module is packaged in a tray and packaged in a vacuum-sealed bag, with a 10PCS package and a 100PCS package, shipped as a vacuum-sealed bag.
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CLM920_AC3 Module Hardware Usage Guide The recommended furnace temperature curve is shown below: Figure 7-1 Reflow soldering temperature graph Table 7-1 Reflow process parameter table Warm zone time key parameter Preheating zone(40℃~165℃) Heating rate:1℃/s~3℃/s Temperature zone(160℃~210℃) (t1~t2):70s~120s Recirculation zone(>217℃) (t3~t4):40s~60s Peak temperature:235℃~...
CLM920_AC3 Module Hardware Usage Guide Chapter 8. Appendix 8.1 Chapter overview Abbreviations Encoding Safety and precautions 8.2 Abbreviations Table 8-1 Abbreviations Abbreviations Full name 3GPP Third Generation Partnership Project Access Point Adaptive Multi-rate Bit Error Rate China Compulsory Certification...
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CLM920_AC3 Module Hardware Usage Guide Light-Emitting Diode Long Term Evolution Not Connected Printed Circuit Board Pulse Code Modulation Protocol Data Unit Power Management Unit Point-to-point protocol QPSK Quadrature Phase Shift Keying Radio Frequency RoHS Restriction of the Use of Certain Hazardous Substances...
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CLM920_AC3 Module Hardware Usage Guide Category 2 50Mbps QPSK/16QAM/64QAM Category 3 100Mbps QPSK/16QAM/64QAM Category 4 150Mbps QPSK/16QAM/64QAM Table 8-5 LTE-FDD UL maximum rate LTE-FDD device category Max data rate(peak) Modulation type Category 1 5Mbps QPSK/16QAM Category 2 25Mbps QPSK/16QAM Category 3...
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CLM920_AC3 Module Hardware Usage Guide equipment packaging materials, equipment or accessories, and support recycling operations. Emergency call: This device uses wireless signals for propagation. Therefore, the network cannot be connected in all cases, so in the emergency, the wireless device cannot be used as the only contact method.
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