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CLM920_NC3_LTE Module hardware manual

Shanghai Yuge Information Technology co., LTD

- 48 -

The SD card reference design of the CLM920 NC3 module is shown below

：

Figure 3-23 SD card interface reference circuit diagram

SD card circuit routing considerations:

The SD card power supply is 3V with a voltage range of 2.7~3.6V, which needs to be
externally supplied and has a minimum current of 800mA.

The maximum output current of the module output power supply VDD_SDIO is 50mA,
which can only be used for SDIO bus pull-up;

The SD card has a clock frequency of up to 200 MHz, and the trace is preferably 50 ohm
impedance controlled.

The length of the signal line should be less than 25mm, and the spacing of the signal line
should be 2 times the line width and cover the ground as far as possible and away from
other possible interference lines;

The spacing between the SDIO signal and other signals needs to be greater than 2 line
widths and ensure that the bus load is less than 40pF;

Add a pull-up resistor to the SDIO signal with a resistance range of 10~100k

Ω

, the

recommended value is 100k

Ω

, and pull up to the VDD_SDIO pin of the module.

To ensure good ESD performance, it is recommended to add a TVS tube to the SD card
pin and place it near the pin.

Содержание CLM920 NC3

Страница 1: ...Name CLM920_NC3_LTE Module hardware manual Number of Pages 74 Produce Version V2 2 Date 2019 10 30 CLM920_NC3_LTE Module hardware manual V2 2 Shanghai Yuge Information Technology co LTD All rights re...

Страница 2: ...ghai Yuge Information Technology co LTD 2 History record Version Date Description Author V2 0 20180126 Initial David V2 1 2019 9 2 1 Modify the USIM reference circuit Document group V2 2 2019 10 30 1...

Страница 3: ...ply design 25 3 3 2 Power reference circuit 26 3 3 3 VDD_SDIO 1 8V 2 85V Voltage output 28 3 3 4 VDD_EXT 1V8 Voltage output 28 3 4 Switching machine reset mode 28 3 4 1 Boot 28 3 4 2 Boot timing 29 3...

Страница 4: ...Receiving performance 58 4 3 Working frequency 59 4 4 Conducted radio frequency measurement 60 4 4 1 Test environment 60 4 4 2 Standard test 60 4 5 Conducted receiving sensitivity and transmit power 6...

Страница 5: ...uit 27 Figure 3 7 Startup timing diagram 29 Figure 3 8 Power on reference circuit 30 Figure 3 9 Reset reference circuit 30 Figure 3 10 Reset timing diagram 31 Figure 3 11 USB connection design circuit...

Страница 6: ...CLM920 NC3 70 Figure 6 2 Front view and side view of the module unit mm 71 Figure 6 3 Bottom view of the module unit mm 71 Figure 6 4 Recommended module package unit mm 72 Figure 7 1 Reflow soldering...

Страница 7: ...7 Main set antenna indicator requirements 61 Table 4 8 GNSS antenna specifications 62 Table 4 9 Sleep and idle power consumption of the three major operators GNSS off 63 Table 4 10 Call Power Consumpt...

Страница 8: ...TD 8 Table 8 2 Time slot allocation table for different levels of GPRS EDGE 76 Table 8 3 Maximum GPRS rate 77 Table 8 4 Maximum EDGE Rate 77 Table 8 5 Maximum HSDPA rate 77 Table 8 6 Maximum HSUPA rat...

Страница 9: ...CLM920 TE3 module hardware interface manual designed to describe the hardware components and functional characteristics of the module solution application interface definition and application instruc...

Страница 10: ...d downlink speeds up to 50Mbps 150Mbps and fully supports VOLTE and SRLTE and supports embedded operating systems such as Windows Wince Android Linux The CLM920 NC3 module can be used in the following...

Страница 11: ...e CLM920 TB3 supports CAT1 standard modules for customer specific applications Mbps for uplink CAT1 and 10Mbps for CAT1 The module supports Category 4 by default When the Category 1 module is required...

Страница 12: ...the default is 115200bps Support RTS and CTS hardware flow control Debug serial port 2 lines Used to print module logs PCM interface For audio requires an external codec chip Supports 8 bit law and 1...

Страница 13: ...Data service GSM EDGE GPRS DL 85 6 kbps UL 85 6 kbps EDGE DL 236 8 kbps UL 236 8 kbps WCDMA UMTS R99 DL 384 kbps UL 384 kbps DC HSPA DL 42 Mbps UL 5 76 Mbps TD SCDMA TD HSDPA HSUPA 2 2Mbps UL 2 8Mbps...

Страница 14: ...Extreme operating temperature 40 C to 85 C Storage temperature 40 to 85 Humidity RH5 RH95 Module function distinction On the label paper M stands for the main set D takes the table diversity and G sta...

Страница 15: ...LTE Module hardware manual Shanghai Yuge Information Technology co LTD 15 The functional block diagram of the CLM920 NC3 LCC module is shown below Figure 2 1 Functional block diagram of the CLM920 NC3...

Страница 16: ...is chapter mainly describes the interface definition and application of this module Contains the following sections 144 pin pin definition map Interface definition Power interface USB interface USIM i...

Страница 17: ...CLM920_NC3_LTE Module hardware manual Shanghai Yuge Information Technology co LTD 17 3 2 Module interface 3 2 1 144 pin LCC interface Figure 3 1 LCC module interface definition...

Страница 18: ..._2 6 NET_STATUS 7 VDD_EXT 8 GND 9 GND 10 GND 11 DBG_RXD 12 DBG_TXD 13 USIM_DET 14 USIM_VDD 15 USIM_DATA 16 USIM_CLK 17 USIM_RST 18 RESERVED 19 GND 20 RESET_N 21 PWRKEY 22 GND 23 RESERVED 24 PCM_IN 25...

Страница 19: ...SB_DM 71 USB_VBUS 72 GND 73 RESERVED 74 RESERVED 75 RESERVED 76 RESERVED 77 RESERVED 78 RESERVED 79 RESERVED 80 RESERVED 81 RESERVED 82 RESERVED 83 RESERVED 84 RESERVED 85 GND 86 GND 87 GND 88 GND 89...

Страница 20: ...37 RESERVE 138 RESERVE 139 RESERVE 140 RESERVE 141 RESERVE 142 RESERVE 143 RESERVE 144 RESERVE Table 3 2 IO parameter definition Symbol sign description IO Two way input and output PI Power input PO P...

Страница 21: ...ce Pin Pin definition IO Functional description Remarks 71 USB_VBUS PI USB detection 69 USB_D IO USB bus differential positive signal 90 differential impedance 70 USB_D IO USB bus differential negativ...

Страница 22: ...IM card data 16 USIM_CLK DO USIM card clock 17 USIM_RST DO USIM card reset GPIO pin Pin Pin definition IO Functional description Remarks 1 WAKEUP_IN DI Sleep mode control 2 AP_READY DI Sleep state det...

Страница 23: ...3 SD_CARD_DET DI SD card insertion detection Keep empty when not in use 28 SDC2_D3 IO SDIO bus DATA3 Keep empty when not in use 29 SDC2_D2 IO SDIO bus DATA2 Keep empty when not in use 30 SDC2_D1 IO SD...

Страница 24: ...version Keep empty when not in use RF interface Pin Pin definition IO Functional description Remarks 35 ANT_DIV AI Diversity antenna 50 characteristic impedance keep empty when not in use 47 ANT_GNSS...

Страница 25: ...ollows Table 3 4 Power pin definitions Pin number Name I O Description Minimum voltage Typical voltage Maximum voltage 57 58 59 60 VBAT PI Module power supply 3 3V 3 7V 4 2V 14 UIM_PWR PO SIM power su...

Страница 26: ...ficient power supply capability Figure 3 2 GSM TDMA network burst current supply voltage drop Under the premise of ensuring that the VBAT power supply is sufficient two 470uF 6 3V tantalum capacitors...

Страница 27: ...linear power supply reference circuit Figure 3 5 DC switching power supply reference circuit Figure 3 6 PMOS tube control power switch reference circuit To prevent damage to the module from surges an...

Страница 28: ...eds to be provided from outside the module 3 3 4 VDD_EXT 1V8 Voltage output After the CLM920 NC3 module is powered on normally the 17th pin will output 1 8V and the current load will be 50mA The exter...

Страница 29: ...us status 22 ms Ton usb Boot time according to usb status 10 s Ton uart Boot time according to uart status 6 s VIH PWRKEY input high level 0 6 0 8 1 8 V VIL PWRKEY input low level 0 3 0 0 5 V It is re...

Страница 30: ...DN 3 4 4 Reset control The CLM920 NC3 module PIN20 signal is the RESET reset pin The application detects that the module is abnormal When the software does not respond the module can be reset Pull the...

Страница 31: ...The CLM920 NC3 module supports AT command reset and the AT command is at cfun 1 1 to restart the module Detailed instructions can be found in the AT command set manual 3 5 USB interface The USB interf...

Страница 32: ...ction of the data lines differential traces and control impedance of 90 In order to improve the antistatic performance of the USB interface it is recommended to add an ESD protection device on the dat...

Страница 33: ...te the default is 115200bps The UART interface is defined as follows Table 3 10 UART serial port signal definition Pin Signal name I O Description Para meter Level value V Remarks Min Typical Max 62 U...

Страница 34: ...serial port you can refer to the following serial port design Figure 3 13 UART serial port design The serial port of the module is TTL 1 8V level If the serial port needs to be connected to the MCU of...

Страница 35: ...n definitions Pin Signal name I O Description Param eter Level value V Rem arks Min Typical Max 11 DBG_RXD DI UART data reception VIH 1 2 1 8 2 VIL 0 3 0 6 12 DBG_TXD DO UART data transmission VOH 1 3...

Страница 36: ...module enters sleep Pull down the DTR pin wake up module 3 7 USIM interface The CLM920 NC3 module provides a USIM card interface compatible with the ISO 7816 3 standard The USIM card power supply is...

Страница 37: ...0 25 VDD VOH VDD 0 45 3 05 VOL 0 0 0 45 16 USIM_ CLK D O USIM card clock VOH VDD 0 45 3 05 USIM_VDD 3 0V 1 8V VOL 0 0 0 45 17 USIM_ RST D O USIM card reset VOH VDD 0 45 3 05 USIM_VDD 3 0V 1 8V VOL 0...

Страница 38: ...ertion detection pin It is high by default The SIM card status can be detected by this PIN pin during hot plug application To avoid transient voltage overload the USIM interface requires a 22R resisto...

Страница 39: ...place and AT HOSCFG 1 is set When the SIM card is in the state the status is low Set AT HOSCFG 0 0 SIM card hot swap function is off 3 8 General purpose GPIO interface The CLM920 NC3 module contains f...

Страница 40: ...ion can be turned off the module can enter the flight mode and the module can be turned on to open the module RF function It can also be set to flight mode by AT CFUN For details please refer to the 9...

Страница 41: ...920 NC3 module provides a pin as a working status indicator for the module This pin can be used to connect to a GPIO or LED with pull up for the module s power on status indication The drive current s...

Страница 42: ...tion Pin Signal name I O Description Param eter Level value V Rem arks Min Typical Max 24 PCM_IN DI PCM data input VIH 1 2 1 8 2 VIL 0 3 0 6 25 PCM_OUT DO PCM data output VOH 1 35 1 8 2 VOL 0 0 45 26...

Страница 43: ...m PCM to analog voice recommendation circuit is as follows Figure 3 21 PCM to analog voice map 3 12 I2C bus CLM920 NC3 module provides a set of hardware bidirectional serial bus I2C interface is 1 8V...

Страница 44: ...2 VIL 0 3 0 6 I2C reference circuit connection is as follows Figure 3 22 I2C interface reference circuit diagram 3 13 SDIO interface CLM920 NC3 module provides a 4 bit SD MMC interface supports 1 8V...

Страница 45: ...2 95 VDD_Px 2 95V voltage domain VOL 0 0 125 VDD_Px 2 95V voltage domain VIH 0 625 VDD_Px 2 95 VDD_Px 0 3 2 95V voltage domain VIL 0 3 0 25 VDD_Px 2 95V voltage domain 29 SDC2_D2 IO SDIO bus DATA2 VO...

Страница 46: ...voltage domain VOL 0 0 125 VDD_Px 2 95V voltage domain VIH 0 625 VDD_Px 2 95 VDD_Px 0 3 2 95V voltage domain VIL 0 3 0 25 VDD_Px 2 95V voltage domain 31 SDC2_D0 IO SDIO bus DATA0 VOH 1 35 1 8 2 1 8V v...

Страница 47: ...MD IO SDIO bus comman d VOH 1 35 1 8 2 1 8V voltage domain VOL 0 0 45 1 8V voltage domain VIH 1 27 1 8 2 1 8V voltage domain VIL 0 3 0 6 1 8V voltage domain VOH 0 75 VDD_Px 2 95 VDD_Px 2 95V voltage d...

Страница 48: ...card has a clock frequency of up to 200 MHz and the trace is preferably 50 ohm impedance controlled The length of the signal line should be less than 25mm and the spacing of the signal line should be...

Страница 49: ...8 SPI_ MOSI DO SPI data output VOH 1 35 1 8 2 Reuse I2S_WS VOL 0 0 45 39 SPI_ MISO DI SPIO data input VIH 1 2 1 8 2 Multiplexin g I2S_D0 VIL 0 3 0 6 40 SPI_C LK DO SPI clock VOH 1 35 1 8 2 Multiplexin...

Страница 50: ...he reference design of the CLM920 NC3 connection NAU8810 Figure 3 24 I2S to analog voice map 3 15 MCLK interface The CLM920 NC3 module provides one MCLK and provides a 12 288M clock output This interf...

Страница 51: ...C resolution 15Bits 3 17 RF interface CLM920 NC3 module provides three way antenna interface one main set antenna interface which is responsible for 4G 3G 2G signals of transceiver module one way dive...

Страница 52: ...is necessary to add a type matching circuit to the main board and take a 50 ohm impedance line The main antenna and the diversity antenna need to maintain a certain spacing The recommended circuit is...

Страница 53: ...elow Figure 3 27 GNSS passive antenna reference circuit The figure below shows L5 in the active antenna matching circuit L6 is not attached by default C5 is affixed to 100pF by default The specific va...

Страница 54: ...ust take into account the frequency band used by the antenna and the minimum parasitic capacitance that can be accepted by different frequency bands The ESD protection component usually used on the an...

Страница 55: ...line Figure 3 30 The complete structure of the multilayer PCB strip line Figure 3 31 Reference ground is the third layer PCB microstrip transmission line structure 3 17 5 RF connector size If the RF c...

Страница 56: ...nector size chart The RF connector plug for this connector is HRS s U FL LP series Figure 3 33 Antenna connector matching plug diagram Table 3 25 Main parameters of the RF connector Rated condition En...

Страница 57: ...CLM920_NC3_LTE Module hardware manual Shanghai Yuge Information Technology co LTD 57 Figure 3 34 Matching coaxial RF line size...

Страница 58: ...eiving performance Table 4 1 Main parameters of GNSS Parameter Comment Min Typ Max Unit GPS L1 frequency Center frequency 1575MHz 1574 4 1576 4 MHz GLONASS frequency Center frequency 1601 7MHz 1597 5...

Страница 59: ...MHz FDD LTE B8 880 MHz 915 MHz 925 MHz 960 MHz FDD LTE B20 832 MHz 862 MHz 791 MHz 821 MHz FDD LTE B38 2570MHz 2620MHz 2570MHz 2620MHz TDD LTE B39 1880MHz 1920MHz 1880MHz 1920MHz TDD LTE B40 2300MHz 2...

Страница 60: ...ansmit power test indicators are as follows Table 4 4 2G3G RF indicators Mode Upstream Down Power Receiving sensitivity GSM 850 824MHz 849MHz 869MHz 894MHz 33 2dBm 108dBm GSM 900 880MHz 915MHz 925MHz...

Страница 61: ...B41 TDD QPSK by 95 96 3 10 MHz 98 97 Table 4 6 4G RF transmit power indicators Directory 3GPP Protocol Requirements dBm Minimum typical Maximum LTE B1 21 to 25 22 23 24 LTE B3 21 to 25 22 23 24 LTE B5...

Страница 62: ...40 19 93 B41 TDD 2 5 1 4dbi 40 19 93 WCDMA B1 2 5 1 4dbi 40 19 106 WCDMA B5 2 5 1 4dbi 40 19 106 WCDMA B8 2 5 1 4dbi 40 19 106 EVDOrA 2 5 1 4dbi 40 19 106 B34 TDS 2 5 1 4dbi 40 19 106 B39 TDS 2 5 1 4...

Страница 63: ...nection Sleep mode 2 3 Idle mode 17 9 WCDMA GPS off no USB connection Sleep mode 2 3 Idle mode 17 9 LTE GPS off no USB connection Sleep mode 2 3 Idle mode 17 9 CTCC CDMA GPS off no USB connection Slee...

Страница 64: ...sumption mA EGSM900 1 receive 4 send 8 280 DCS1800 1 receive 4 send 2 320 EGSM900 1 receive 4 send 8 220 DCS1800 1 receive 4 send 2 210 Table 4 13 HSDPA data transmission power consumption GNSS off Fr...

Страница 65: ...10Mbps 570 20Mbps 660 LTE FDD B5 5Mbps 530 10Mbps 540 LTE FDD B7 5Mbps 585 10Mbps 600 20Mbps 655 LTE FDD B8 5Mbps 560 10Mbps 550 LTE FDD B20 5Mbps 520 10Mbps 525 20Mbps 550 LTE TDD B38 5Mbps 300 10Mbp...

Страница 66: ...reme working temperature 40 C 85 C storage temperature 40 C 85 C 5 3 Module IO level CLM920 NC3 module IO level is as follows Table 5 2 Electrical Characteristics of CLM920 NC3 Module parameter Parame...

Страница 67: ...ommended that the clamp voltage VCL Clamping Voltage is less than 12 V and the peak power PPP Peak Pulse Power is not less than 100 W The protective device PCB layout should be as close as possible to...

Страница 68: ...ycles 12 h 12 h cycle JESD22 A 101 B Visual inspection normal Function check normal RF indicator check normal Temperature shock High temperature 85 Low temperature 40oC Temperature change time 30s Wor...

Страница 69: ...Shanghai Yuge Information Technology co LTD 69 High temperature storage Temperature 85 Working mode no packaging no power no boot Test duration 24 h JESD22 A 103 C Visual inspection normal Function c...

Страница 70: ...logy co LTD 70 Chapter 6 Structural and mechanical properties 6 1 Chapter overview Exterior Module mechanical size 6 2 Exterior The CLM920 NC3 module is a PCBA with a single sided layout The appearanc...

Страница 71: ...ardware manual Shanghai Yuge Information Technology co LTD 71 Figure 6 2 Front view and side view of the module unit mm The figure below shows the bottom view size of the module Figure 6 3 Bottom view...

Страница 72: ...CLM920_NC3_LTE Module hardware manual Shanghai Yuge Information Technology co LTD 72 Module recommended package Figure 6 4 Recommended module package unit mm...

Страница 73: ...60 the factory can complete the patch within 72 hours and the module can directly perform reflow soldering or other high temperature process If the module is in other conditions it needs to be baked b...

Страница 74: ...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 Constant temperature zon...

Страница 75: ...r Rate CCC China Compulsory Certification CDMA Code Division Multiple Access CE European Conformity CSD Circuit Switched Data CTS Clear to Send DC Direct Current DTR Data Terminal Ready DL Down Link D...

Страница 76: ...requency RoHS Restriction of the Use of Certain Hazardous Substances SMS Short Message Service TIS Total Isotropic Sensitivity TVS Transient Voltage Suppressor TX Transmitting Direction UART Universal...

Страница 77: ...Table 8 4 Maximum EDGE Rate GPRS coding scheme Max data rata 4 slots Modulation type MCS 1 8 8 kb s time slot 35 2 kb s GMSK MCS 2 11 2 kb s time slot 44 8 kb s GMSK MCS 3 14 8 kb s time slot 59 2 kb...

Страница 78: ...gory 13 17 6Mbps 64QAM Category 14 21 1Mbps 64QAM Category 15 23 4Mbps 16QAM Category 16 28Mbps 16QAM Category 17 23 4Mbps 64QAM Category 18 28Mbps 64QAM Category 19 35 5Mbps 64QAM Category 20 42Mbps...

Страница 79: ...will send and receive RF signals when it is powered on It can interfere with TV radio computer or other electrical equipment Medical equipment In medical and health care facilities where the use of w...

Страница 80: ...vice to prevent wireless signals from interfering with aircraft control signals Environmental Protection Please comply with local laws regarding the handling of equipment packaging materials equipment...

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