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MeiG_SLM156_Hardware Design Manual

MeiG Smart Technology Co., Ltd

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2 Product Overview

2.1 Basic Description

SLM156 is a multi - mode IOT wireless communication module, which supports half-duplex LTE and

does not support diversity receiving function. SLM156 can provide data connection under LTE-FDD,

GPRS and EGPRS networks, and it also supports GNSS and voice function.

The following table shows the supported bands of SLM156 and GNSS function:

Table 1 Supported bands of SLM156 and GNSS function

Module

LTE band

GSM band

Diversity

receiving

GNSS

SLM156

Cat M1 &NB1:

NB-IoT

：

(Class 5)

：

B1/B2/B3/B4/B5/B8/B12/

B13/B18/B19/B20/B25/B2

6/B28/B66/B71/B85

Cat M(Class5)

：

B1/B2/B3/B4/B5/B8/B12/

B13/B14/B18/B19/B20/B2

5/B26/B27/B28/B66/B85

EGPRS:

GSM850/EGSM900/D

CS1800/PCS1900

Non-

supportive

GPS, GLONASS,

BeiDou/Compass,

Galileo, QZSS

Using advanced highly integrated design, SLM156 integrates RF and baseband on a piece of PCB

which has functions of wireless reception and transmission, baseband signal processing. It uses single

side layout and the size is: 21×20×2.3 mm. The module can be applied in security system, wearable

services, wireless POS machine, industrial PDA, intelligent meter reading, wireless remote control,

vehicle devices, etc .

2.2 Main Performance

The following table describes the performance of the SLM156 in detail.

Table 2 List of main features of the module

Parameter

Description

Power supply



VBAT power supply range: 3.3V~4.2V



Typical supply voltage: 3.8V

Содержание SLM156

Страница 1: ...MeiG_SLM156_ Hardware Design Manual Controlled Version Number V1 0 Release Date 2019 08 01...

Страница 2: ...umes no responsibility for the merchantability and fitness for a particular purpose or any indirect extraordinary or consequential losses Confidentiality Claim The information contained in this docume...

Страница 3: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 2 63 Revision History Version Date Reason for Revision V1 0 2019 08 01 Establish for the first version...

Страница 4: ...ght Mode 22 3 5 2 Power Saving Mode PSM 23 3 5 3 Extent Idle Mode Discontinuous Receiving 23 3 6 Power Supply 24 3 6 1 Power Supply Pins 24 3 6 2 Decrease Voltage Drop 25 3 6 3 VDD_EXT Voltage Output...

Страница 5: ...Voltage 48 6 2 Power Rated Parameter 48 6 3 Working Temperature 49 6 4 Electrical Characteristics of Interface Operation Status 49 6 5 Module Power Consumption Range 50 6 6 Transmission Power 51 6 7 R...

Страница 6: ...14 Activity status of NET_STATUS 34 Table 15 STATUS pin definition 35 Table 16 ADC pin description 36 Table 17 DLOAD pin description 37 Table 18 Pin description of PCM interface 39 Table 19 GNSS perf...

Страница 7: ...f Network Indication 35 Figure 13 Reference Circuit of STATUS 36 Figure 14 Reference Circuit of STATUS 36 Figure 15 Reference Circuit of DLOAD Interface 37 Figure 16 Short Frame Mode Timing 38 Figure...

Страница 8: ...air interface and hardware interface which are connected with your application The document can help you quickly understand SLM156 interface specifications electrical and mechanical details and other...

Страница 9: ...e use of mobile terminal device RF interference will cause medical equipment to be abnormal so mobile terminal device may need to be turned off Mobile terminal device cannot always be effectively conn...

Страница 10: ...hapter 1 introduces safety information purpose of the document and revising records Chapter 2 describes basic functions and main features of SLM156 wireless module Chapter 3 describes functions featur...

Страница 11: ...B28 B66 B71 B85 Cat M Class5 B1 B2 B3 B4 B5 B8 B12 B13 B14 B18 B19 B20 B2 5 B26 B27 B28 B66 B85 EGPRS GSM850 EGSM900 D CS1800 PCS1900 Non supportive GPS GLONASS BeiDou Compass Galileo QZSS Using advan...

Страница 12: ...DGE multi slot grade 33 default as 33 Support GMSK and 8 PSK Download coding scheme CS 1 4 and MCS 1 9 Upload coding scheme CS 1 4 and MCS 1 9 EDGE maximum download rate 296kbps maximum upload rate 23...

Страница 13: ...ted operating temperature 40 85 Storage temperature 45 90 Software upgrade USB interface RoHS All hardware components fully comply with the EU RoHS standard humidity 5 95 ESD VBAT GND air discharge 10...

Страница 14: ...Ltd 13 63 2 3 Evaluation Board In order to help you develop applications with SLM156 MEIG supplies an evaluation board USB data cable antenna and other peripherals to control or test the module See M...

Страница 15: ...in and provides the following functional interfaces Power supply interface USB2 0 High Speed interface UART interface USIM SIM card interface support 1 8V Hardware reset interface Indicator interface...

Страница 16: ...ART CTS UART_RTS UART_TX STATUS PWM RESERVED GND MLCK DLOAD GND PCM_CLK GNSS_EN RESOUT_N NETLIGHT GND GND GND GND GND GNSS_ANT GND GND GND GND MAIN_ANT GND GND GND GND USIM_DETECT USIM_CLK USIM RST GN...

Страница 17: ...ut PO Power output AI Analog input AO Analog output OD Open drain Table 4 Pin description Power Pin name I O Description DC features Note VBAT 59 60 61 PI Power supply for module baseband Vmax 4 2V Vm...

Страница 18: ...nused keep it open NETLIGHT 16 O D Indicate network state of the module SINK current should be less than 10mA OD output external pull up is needed if unused keep it open USB interface Pin name Pin num...

Страница 19: ...V 1 8V power domain if unused keep it open UART_TX 40 D O Module sends data VOLmax 0 45V VOHmin 1 35V 1 8V power domain if unused keep it open UART_CTS 43 D O Module clears sending data VOLmax 0 45V V...

Страница 20: ...keep it open SPI interface SPI_MISO 32 DI SPI MISO VOLmax 0 45V VOHmin 1 35V 1 8V power domain if unused keep it open SPI_MOSI 31 D O SPI MOSI VOLmax 0 45V VOHmin 1 35V 1 8V power domain if unused ke...

Страница 21: ...ax 2 0V External 1 8V pull up is required In high level the module is waken up in low level the module enters into sleep mode if unused keep it open AP_READY 17 DI application processor sleep mode det...

Страница 22: ...x 0 5V 1 8V power domain if unused keep it open SENSOR_INT 46 DI Sensor interrupt input VIHmax 2 1V VIHmin 1 3V VILmax 0 5V 1 8V power domain if unused keep it open PWM 38 D O Pulse width modulation V...

Страница 23: ...e PMU stops supplying power to baseband and RF software is inactive and the serial interface is not accessible Power saving mode PSM Modules can lower self power consumption through entering PSM PSM i...

Страница 24: ...tically 3 5 3 Extent Idle Mode Discontinuous Receiving SLM156 can use e I DRX to lower its power consumption The power consumption of e I DRX is higher than PSM but compared with PSM it improve the ac...

Страница 25: ...correlative with power supply and switch Related interfaces are as follows Table 6 Related power supply interfaces Pin name Pin number Description Min Typical Max Unit VBAT 59 60 61 Module baseband po...

Страница 26: ...h of lines should not be less than 2mm In addition in order to guarantee the stability of power it is recommended to add zener diode with 5 1V and power over 0 5W onto the power The reference circuit...

Страница 27: ...off the module VIHmax 2 1V VIHmin 1 3V VILmax 0 5V When SLM156 is in power down mode it can be turned on to normal mode by driving the POWER_ON OFF pin to a low level for at least 100ms It is suggeste...

Страница 28: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 27 63 Timing of turning on the module is illustrated as follows Figure 5 Timing of Turning on Module Note Tnote 30ms...

Страница 29: ...n procedure after POWER_ON OFF is released The power down time is illustrated in the following figure Figure 6 Timing of Turning off Module 3 8 Reset Fuction AT command can be used to reset SLM156 3 8...

Страница 30: ...clock signal USIM_RST 65 DO USIM card reset signal VDD_AUDIO 66 PI USIM POWER 1 8V USIM_PRESENT 68 DI USIM card plugging detection Require to pull up to1 8V SLM156 module supports USIM card hot pkugg...

Страница 31: ...TA USIM_CLK and USIM_RESET line In order to improve the antistatic ability and offer good ESD protection it is recommended to add TVS whose parasitic capacitance should be less than 15pF on USIM_VCC U...

Страница 32: ...0 High Speed interface k Table 9 USB interface description Name Pin name I O Description Note USB_DM 50 IO USB differential data signal Require 90 differential impedance USB_DP 49 IO USB differential...

Страница 33: ...ements and keeping away from the interference signal as far as possible Do not trace the USB line in the crystal oscillator oscillator magnetic device and RF signal it is recommended to trace inner di...

Страница 34: ...data 1 8V power domain UART_CTS 43 DO Module clears sending If unused keep it open UART_RTS 42 DI DTE asks to send data If unused keep it open Table 11 Pin description of debugging interface Pin name...

Страница 35: ...dication pins can be used to drive a network status indicator LED SLM156 provides two pins The following tables describe pin STATUS and NET_STATUS The following two tables show the definition and logi...

Страница 36: ...re 11 Reference Circuit of Network Indication GPIO controlled can also be used the other reference circuit is shown as follows Figure 12 Reference Circuit of Network Indication 3 13 Status Indicaiton...

Страница 37: ...om one of them 2K VBAT STATUS Figure 13 Reference Circuit of STATUS Figure 14 Reference Circuit of STATUS 3 14 ADC Function SLM156 provides one analogy to digital conventers Using AT QADC 0 can read t...

Страница 38: ...odule can update software through USB interface Table 17 DLOAD pin description Pin name Pin number I O Description Voltage range DLOAD 28 DI Mandatory download mode control valid in high level 1 8V po...

Страница 39: ...ong frame mode data do sampling in PCM_CLK falling edge and send in rising edge PCM_SYNC falling edge represents high effective bits PCM_CLK only supports 128 kHz PCM_CLK and 8kHz 50 duty ratio PCM_SY...

Страница 40: ...CM data input 1 8V power domain PCM_SYNC 23 IO PCM data simultaneous signal 1 8V power domain I2C_SCL 45 OD I2C clock External pull up of 1 8V is required I2C_SDA 44 OD I2C data External pull up of 1...

Страница 41: ...via USB interface by default 4 2 GNSS Performance The following table shows SLM150 GNSS performance Table 19 GNSS performance Parameter Description Performance index Positioning accuracy open Horizon...

Страница 42: ...ain antenna and the diversity antenna Noisy digital circuits such as the USIM card USB interface Camera module Display connector and SD card should be kept away from the antenna Use ground vias around...

Страница 43: ...that you use a 50 impedance antenna that matches the RF connector of the module It is suggested that you chose RF adapter carefully on application end It is necessary to select the smallest possible l...

Страница 44: ...98 MHz Band18 860 874 9MHz 815 829 9MHz Band19 875 889 9MHz 830 844 9MHz Band20 791 821 MHz 832 862 MHz Band25 1930 1995 MHz 1850 1915 MHz Band26 859 894MHz 814 849MHz Band27 852 869 MHz 807 824 MHz B...

Страница 45: ...gure 19 Reference Circuit GNSS antenna reference design is shown as below Figure 20 GNSS Antenna Reference Circuit Note 1 You can choose external LDO power supply according to active antenna 2 You can...

Страница 46: ...1615MHz Polarization RHCP or linear VSWR 2 Typ Passive antenna gain 0 dBi Active antenna noise coefficient 1 5 dB Active antenna gain 2 dBi Active antenna embedded LNA gain 20 dB typical value Active...

Страница 47: ...iG Smart Technology Co Ltd 46 63 5 3 2 Recommended RF Connector in Antenna Installation If you choose to use RF connector to connect antenna Hirose UF L R SMT connector is recommended Figure 21 Connec...

Страница 48: ...series connecting line can be an alternative to UF L R SMT Figure 22 UF L LP Series Connecting Line The following figure shows the installation dimension of connection line and connector Figure 23 In...

Страница 49: ...t Limit voltage range of SLM156 are shown as below Table 23 Limit voltage range Parameter Min Max Unit VBAT_BB 0 3 4 7 V VBAT_RF 1 2 6 V USB_VBUS 0 3 5 5 V Digital pin voltage 0 3 2 3 V 6 2 Power Rate...

Страница 50: ...pplications under certain temperature conditions Modules beyond this range may not work or are damaged Table 25 Temperature range Parameter Min Typical Max Unit Operating temperature 30 25 75 Limited...

Страница 51: ...ty mode AT CFUN 0 no connection between interface and USB 0 8 mA Power saving mode PSM PSM LTE Cat M1 network 10 4 uA PSM LTE Cat NB1 network 9 8 uA Idle mode DRX 1 28s LTE Cat M1 network No connectio...

Страница 52: ...B25 B26 B27 B28 B66 B71 B85 20dBm 2 7dB 44dBm GSM850 GSM900 33dBm 2dB 5dBm 5dB DCS1800 PCS1900 30dBm 2dB 0dBm 5dB GSM850 GSM900 8 PSK 27dBm 3dB 5dBm 5dB DCS1800 PCS1900 8 PSK 26dBm 3dB 0dBm 5dB 6 7 R...

Страница 53: ...102 8 LTE B66 supportive TBD TBD LTE B71 supportive TBD TBD LTE B85 supportive TBD TBD Network type band main diversity GSM sensitivity 3GPP dBm GSM GSM850 GS M900 supportive Non supportive 102 DCS18...

Страница 54: ...ss 8KV 10KV test level 2 testing EVB s SIM card slot under shut down mode ESD meets Contact discharge should pass 4KV test level Air discharge should pass 8KV test level 3 other interfaces of the modu...

Страница 55: ...iG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 54 63 7 Mechanical Dimensions 7 1 Mechanical Dimensions of the Module Figure 24 Dimension of the Module from Top View and Side View unit m...

Страница 56: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 55 63 Figure 25 Dimension of the module from Bottom View unit mm...

Страница 57: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 56 63 7 2 Recommended Packaging Figure 26 Recommended Packaging unit mm...

Страница 58: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 57 63 7 3 Top View of the Module Figure 27 Top View of the Module 7 4 Bottom View of the Module Figure 28 Bottom View of the Module...

Страница 59: ...eflow soldering or other high temperature processes must be Stored at 10 RH Mounted within 72 hours at factory conditions of 30 60 RH 3 Devices require baking before mounting if Humidity indicator car...

Страница 60: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 59 63 8 2 Manufacturing and Welding Figure 29 Reflow Soldering Temperature Profile...

Страница 61: ...MeiG_SLM156_Hardware Design Manual MeiG Smart Technology Co Ltd 60 63 8 3 Packaging SLM156 uses pallet packaging Specifications are as follows Figure 30 Pallet Packaging Unit mm...

Страница 62: ...service process manual 9 2 Terms and Abbreviations Table 33 Terms and abbreviations Abbreviation Description AMR Adaptive Multi rate BER Bit Error Rate BTS Base Transceiver Station PCI Peripheral Comp...

Страница 63: ...Packet Access IEC International Electro technical Commission IMEI International Mobile Equipment Identity MEID Mobile Equipment Identifier I O Input Output ISO International Standards Organization ITU...

Страница 64: ...A Time Division Synchronous Code Division Multiple Access TD LTE Time Division Long Term Evolution FDD LTE Frequency Division Duplexing Long Term Evolution Vmax Maximum Voltage Value Vnorm Normal Volt...

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