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MeiG

Product

Manual

of

SLM750

Module

SLM750

Module

Hardware

Design

Page 1, total 84 pages

MeiG Product

Manual of SLM750

Version

Number:

V1.1

Company:

MeiG

Smart

Technology

Co.,

Ltd

Released

Date:

2018/8/13

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Содержание SLM750 Series

Страница 1: ...MeiG Product Manual of SLM750 Module SLM750 Module Hardware Design Page 1 total 84 pages MeiG Product Manual of SLM750 Version Number V1 1 Company MeiG Smart Technology Co Ltd Released Date 2018 8 13...

Страница 2: ...o representation or warranty either express or implied for any content in this document and will not be liable for any specific merchantability and applicable or any indirect particular and collateral...

Страница 3: ...al of SLM750 Module SLM750 Module Hardware Design Page 3 total 84 pages Revising History Table 1 Revising records REVISION DATE DESCRIPTION V1 0 2018 04 01 Initial V1 1 2018 12 14 Modify power consump...

Страница 4: ...without USB Suspend function 31 3 5 1 3 Hardware I O control sleep mode 31 3 5 2 Flight Mode 32 3 5 2 1 Hardware I O interface controls flight mode 32 3 5 2 2 AT command controls flight mode 32 3 6 P...

Страница 5: ...2 RF output power 62 5 3 3 RF receiving sensitivity 63 5 3 4 Operating frequency 64 5 3 5 Antenna requirements 64 6 Electrical characteristics 65 6 1 Limit voltage range 65 6 2 Temperature range 66 6...

Страница 6: ...ATUS PIN DESCRIPTION 49 TABLE 18 ADC PIN DESCRIPTION 50 TABLE 19 PIN DEFINITION OF SGMII INTERFACE 50 TABLE 20 PIN DEFINITION OF WIRELESS CONNECTIVITY INTERFACES 52 TABLE 21 PIN DEFINITION OF THE SD C...

Страница 7: ...PIN USIM SIM CONNECTOR 41 FIGURE 16 USB REFERENCE CIRCUIT 43 FIGURE 17 REFERENCE CIRCUIT OF LEVEL CONVERSION CHIP 46 FIGURE 18 TIMING IN SHORT FRAME MODE 47 FIGURE 19 TIMING IN LONG FRAME MODE 47 FIG...

Страница 8: ...applications easily SLM750 wireless module is a broadband wireless vehicle mounted product used for various network standards like TD LTE FDD LTE WCDMA TD SCDMA EVDO CDMA GSM Supported access rate of...

Страница 9: ...spitals or health care facilities RF interference can cause medical equipment to run out of order so it is necessary to turn off the mobile terminal devices Mobile terminal device cannot be guaranteed...

Страница 10: ...afety information purpose of the document and revised records Chapter 2 describes basic functions and main features of SLM750 wireless module Chapter 3 describes functions features and applications of...

Страница 11: ...8 B1 B3 B5 B7 B8 B20 B2 B4 B5 B12 B13 B17 B25 B26 WCDMA B1 B8 B1 B5 B8 B2 B4 B5 TD SCDMA B34 B39 Not supported Not supported EVDO Not supported Not supported Not supported CDMA BC0 Not supported BC0 B...

Страница 12: ...FDD bands Class 3 23dBm 2dB for TD LTE bands LTE features Maximum support non CA CAT4 Support 1 4 20MHz RF bandwidth Downlink supports multi user MIMO FDD maximum uplink rate 50Mbps maximum downlink...

Страница 13: ...on and noise suppression PCM interface For audio use need to connect the codec chip Support 8 bit A law u law and 16 bit Linear coding format Support long frame mode and short frame mode Support maste...

Страница 14: ...harge 10KV Contact discharge 5KV Antenna interface Air discharge 8KV Contact discharge 4KV Other interface Air discharge 1KV Contact discharge 0 5KV Interface 144Pin LCC interface LCC function interfa...

Страница 15: ...Y RESET_N ADCs STATUS Control 19 2M XO VDD_EXT USB USIM PCM I2C UARTs WLAN BT GPIOs SD SGMII Baseband Transceiver NAND DDR2 SDRAM Control IQ Figure 1 Functional Diagram 2 4 Evaluation Board In order t...

Страница 16: ...among which there are 80 LCC pins and 64 LGA pins providing the following function interface Power interface USIM SIM interface USB interface UART interface PCM interface I2C interface Hardware reset...

Страница 17: ...USB_DP DTR RTS USB_DM 17 18 36 35 34 33 32 31 30 GND ANT_DIV VDD_SDIO SD_CMD SD_CLK SD_DATA0 61 60 59 58 57 56 55 62 54 53 USIM_RST SD_DATA1 PCM_IN SD_INS_DET GND PWRKEY RESET_N GND ANT_GNSS GND GND...

Страница 18: ...for module RF Vmax 4 2V Vmin 3 3V Vnorm 3 8V It must be able to provide sufficient current up to 2A VDD_EXT 7 PO 1 8V output Vnorm 1 8V Iomax 80mA Power supply for external GPIO s pull up circuits If...

Страница 19: ...it open USB interface Pin name Pin number I O Description DC features Note USB_VBUS 71 PI USB detection Vmax 5 25V Vmin 3 0V Vnorm 5 0V USB_DP 69 IO USB differential data positive signal Compliant wi...

Страница 20: ...e module automatically USIM_GND 10 USIM card ground Connect with module ground Main serial port Pin name Pin number I O Description DC features Note RI 62 DO Ring indicator VOLmax 0 45V VOHmin 1 35V 1...

Страница 21: ...n 1 2V VIHmax 2 0V 1 8V power domain If unused keep it open ADC interface Pin name Pin number I O Description DC features Note ADC0 45 AI General purpose analog to digital converter Voltage range 0 05...

Страница 22: ...min 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V 1 8V power domain In master mode it is an output signal In slave mode it is an input signal If unused keep it open CDC_I2S_MC LK 116 DO 19 2MHz signal cloc...

Страница 23: ...ower domain If unused keep it open WAKEUP_O UT_N 3 DO Sleep mode output VOLmax 0 45V VOHmin 1 35V 1 8V power domain If unused keep it open W_DISABLE 4 DI Flight mode control VILmin 0 3V VILmax 0 6V VI...

Страница 24: ...data line 3 VOLmax 0 45 VOHmin 1 35V V ILmin 0 3V VILmax 0 6V VIHmin 1 2V VIHmax 2 0V 1 8V power domain If unused keep it open SDC1_DATA2 130 IO WLAN SDIO signal data line 2 VOLmax 0 45 VOHmin 1 35V...

Страница 25: ...V power domain If unused keep it open COEX_UART _TXD 138 DO LTE WLAN BT coexistence signal VOLmax 0 45 VOHmin 1 35V 1 8V power domain If unused keep it open SD card Interface Pin name Pin number I O D...

Страница 26: ...34V Refer to SD3 0 protocol If unused keep it open SD_DATA2 29 IO SD card SDIO signal data line 2 1 8V SD card VOLmax 0 45 VOHmin 1 4V V ILmin 0 3V VILmax 0 58V VIHmin 1 27V VIHmax 2 0V 3 0V SD card V...

Страница 27: ...RST_ N 119 DO Ethernet PHY reset For 1 8V VOLmax 0 45V VOHmin 1 4V For 2 85V VOLmax 0 35V VOHmin 2 14V 1 8V 2 85V power domain If unused keep it open EPHY_INT_N 120 DI Ethernet PHY interruption VILmin...

Страница 28: ...cription GSM mode GSM IDLE The module is in idle state and has registered to the GSM network and it is ready to send and receive data SMS and voice service GSM TALK The module is ready for voice talk...

Страница 29: ...DATA WCDMA data transfer is ongoing The power consumption is decided by net setting eg Power control level data uplink and downlink rate and related settings of WCDMA HSPA Mode HSPA IDLE The module is...

Страница 30: ...functionality mode AT CFUN 0 command can set the module to enter into a minimum functionality mode without removing the power supply of VBAT At this time RF is closed Use AT CFUN 1command the module...

Страница 31: ...external control circuit to let the module enter into the sleep mode Execute command AT SLEEPEN 1 to enable the sleep mode Disconnect USB_VDD Restoring the USB_VDD power supply can wake up the module...

Страница 32: ...de When the module enters into flight mode the RF function will not work and all AT commands correlative with RF function will be inaccessible You can use the following ways to let the module enter in...

Страница 33: ...19 22 36 46 48 50 54 56 72 85 112 Ground 0 V 3 6 2 Decrease voltage drop The power supply range of SLM750 is from 3 3V to 4 2V During data transmission or conversation instantaneous high power emissi...

Страница 34: ...the stability of the power supply it is recommended to add a Zener diode at the front end of the power supply with a power of 5 1V and a work and power of 0 5W or higher The reference circuit is as fo...

Страница 35: ...vel status 3 7 Turn On and Off 3 7 1 Turn on module using the PWRKEY Table 7 1 Description of PWR_KEY pin Pin name Pin number Function DC features Description PWR_KEY 21 Turn on off the module VIHmax...

Страница 36: ...odule using driving circuit The other way to control the PWRKEY is using a button directly A TVS component is indispensable to be placed nearby the button for ESD protection A reference circuit is sho...

Страница 37: ...Y pin is added it is recommended that the pull up level range is 1 3V 2 1V 3 7 2 Turn off module using the PWRKEY pin Modules can be shut down in the following ways normal shutdown shutdown through PW...

Страница 38: ...to a pulled down PWRKEY pin shutdown process NOTES 1 When the module works properly do not immediately cut off the module power to avoid damage to the module internal Flash data It is strongly recomme...

Страница 39: ...sitive to interference Table 8 RESET_N pin description Pin name Pin number Function DC features Description RESET_N 20 Reset module VIHmax 2 1V VIHmin 1 3V VILmax 0 5V Reference circuit is as follows...

Страница 40: ...ard interface meets ETSI and IMT 2000 SIM interface requirements Both 1 8V and 3 0V USIM cards are supported by SLM750 Table 9 USIM SIM card interface description Pin name Pin number I O Description N...

Страница 41: ...ge after the SIM card is inserted as shown in below figure The USIM_PRESENCE pin level is in low voltage when no card is detected Module USIM_GND USIM_VDD USIM_RST USIM_CLK USIM_PRESENCE USIM_DATA VCC...

Страница 42: ...line In order to filter GSM900 interference add a parallel 33pF resistance on USIM_VDD USIM_DATA USIM_CLK and USIM_RST line Keep layout of USIM card as close as possible to the module Assure the leng...

Страница 43: ...value 5 0V 3 10 2 USB reference circuit USB interface application reference circuit of SLM750 is shown in the following figure USB_DM ESD Array Test Points R2 0R R1 0R R4 R3 NM 0R NM 0R USB_DP GND US...

Страница 44: ...tracing strictly according to differential requirements and keeping away from the interference signal as far as possible Do not trace the USB line in the crystal oscillator oscillator magnetic device...

Страница 45: ...S 65 DO DTE requires to transmit data 1 8V power domain If unused keep it open RI 62 DO Ring indicator 1 8V power domain If unused keep it open The function is to be development DCD 63 DO Output carri...

Страница 46: ...17 Reference circuit of level conversion chip 3 12 PCM and I2C Interface SLM750 provides one PCM interface which supports the following two modes Short frame mode the module works as both master and...

Страница 47: ...128 kHz PCM_CLK and 8kHz 50 duty cycle PCM_SYNC SLM750 supports 8 bit A law u law and 16 bit linear encoding formats The following figures show the timing relationship in short frame mode with PCM_SYN...

Страница 48: ...SCL 41 OD I2C clock Require 1 8V external pulling up I2C_SDA 42 OD I2C data Require 1 8V external pulling up The following figure shows a reference design of PCM interface with an external codec IC Fi...

Страница 49: ...1400ms ON Data transfer status High level Registration success Low level Others 3 14 Status The STATUS pin is an open drain output for indicating the module s operation status You can connect it to a...

Страница 50: ...put voltage when the module is not powered by VBAT 2 It is recommended that the ADC pin adopt the input of the voltage divider circuit 3 16 SGMII Interface SLM750 includes an integrated Ethernet MAC w...

Страница 51: ...ignals Connect with a 0 1uF capacitor close to the PHY side SGMII_TX_P 124 AO SGMII data transmit positive signals Connect with a 0 1uF capacitor close to the PHY side SGMII_RX_P 125 AI SGMII data rec...

Страница 52: ...5 4cm and keep skew on the differential pairs less than 0 7mm The differential impedance of SGMII data trace is 100 ohm 10 SGMII RX TX line spacing is at least 3 times width SGMII signal distance from...

Страница 53: ...3 3V power control 1 8V power domain WLAN_SLP_CLK 118 DO WLAN sleep clock Output 32kHz clock WAKE_ON_WIREL ESS 135 DI WLAN wakes up the module 1 8V power domain pending development COEX_UART_RX 137 DI...

Страница 54: ...etooh Figure 24 Reference Circuit of Wireless Connectivity Interfaces with SLM158 Note 1 SLM158 can only be used as slave equipment 2 When SLM750 modules enable Bluetooth PCM_SYNC and PCM_CLK are used...

Страница 55: ...terface which supports SD 3 0 protocol The following tables show the pin definition Table 21 Pin Definition of the SD Card Interface Pin name Pin number I O Description Note SD_CMD 33 IO SD card SDIO...

Страница 56: ...R6 0R C1 NM D1 C2 NM D2 C3 NM D3 C4 NM D4 C5 NM D5 D7 C6 NM D6 VDD CD DAT3 DAT2 DAT1 DAT0 CLK CMD DETECTIVE VSS VDD_3V VDD_EXT VDD_3V SD Card Connector C7 100nF R7 NM R8 NM R9 NM R10 NM R11 NM R12 47...

Страница 57: ...to keep the trace length difference between CLK and DATA CMD less than 1mm and the total routing length less than 50mm The total trace length inside the module is 27mm so the exterior total trace leng...

Страница 58: ...l Description SLM750 includes an integrated embedded GNSS solution that supports Gen8C Lite of Qualcomm GPS GLONASS BeiDou SLM750 supports standard NMEA 01830183 protocol and outputs NMEA sentences wi...

Страница 59: ...cteristics impedance of the ANT_GNSS trace See Chapter 5 for GNSS reference design and antenna consideration 5 Antenna Interface Table 24 RF antenna pin definition Pin name Pin no Description I O Note...

Страница 60: ...nect both the main and the auxiliary antennas It is suggested that you chose RF adapter carefully on application end It is necessary to select the smallest possible loss of the RF adapter and the reco...

Страница 61: ...Product Manual of SLM750 Module SLM750 Module Hardware Design Page 61 total 84 pages Figure 27 RF reference circuit GNSS antenna reference design is shown as below Figure 28 GNSS antenna reference cir...

Страница 62: ...rization 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 18 5dB Typical value Active antenna tot...

Страница 63: ...Bm 2 7 dB 40 dBm Band40 23dBm 2 7 dB 40 dBm Band41 23dBm 2 7 dB 40 dBm FDD LTE Band1 23dBm 2 7 dB 40 dBm Band3 23dBm 2 7 dB 40 dBm Band5 23dBm 2 7 dB 40 dBm Band8 23dBm 2 7 dB 40 dBm Band28 23dBm 2 7...

Страница 64: ...D LTE Band38 2570 2620MHz 2570 2620MHz Band39 1880 1920MHz 1880 1920MHz Band40 2300 2400MHz 2300 2400MHz Band41 2555 2655MHz 2550 2650MHz FDD LTE Band1 2110 2170MHz 1920 1980MHz Band3 1805 1880MHz 171...

Страница 65: ...nd40 Band41 FDD LTE Band1 Band3 Band5 Band8 Band28 6 Electrical characteristics 6 1 Limit voltage range Limit voltage range refers to the maximum voltage range of the module s power supply voltage as...

Страница 66: ...e of the module should be provided Under this temperature conditions some of the indicators may exceed It is suggested that you store the applications under certain temperature conditions Modules beyo...

Страница 67: ...ion PARAMETER DESCRIPTION CONDITION VALUE UNIT IVBAT Shut Down mode Module shutdown leakage 12 uA Sleep mode AT CFUN 0 USB disconnected 2 2 mA GSM 900 DRX 2 USB disconnected GSM 900 DRX 9 USB disconne...

Страница 68: ...onnected 2 1 2 12 2 2 2 34 mA LTE FDD Band 1 PF 128 USB disconnected LTE FDD Band 3 PF 128 USB disconnected LTE FDD Band 5 PF 128 USB disconnected LTE FDD Band 8 PF 128 USB disconnected LTE FDD Band 2...

Страница 69: ...SCDMA Band 34 PF 64 USB disconnected TD SCDMA Band 34 PF 64 USB connected 21 33 6 mA TD SCDMA Band 39 PF 64 USB disconnected TD SCDMA Band 39 PF 64 USB connected 25 36 8 mA LTE TDD Band 38 PF 64 USB...

Страница 70: ...GPRS data transfer GNSS shut down GSM900 4DL 1UL 30 4dBm 154 4 mA GSM900 3DL 2UL 30 4dBm 228 7 mA GSM900 2DL 3UL 30 3dBm 295 2 mA GSM900 1DL 4UL 30 1dBm 379 3 mA DCS1800 4DL 1UL 25 2dBm 269 4 mA DCS1...

Страница 71: ...Bm 434 7 mA WCDMA Band 1 HSUPA 23 273dBm 426 mA WCDMA Band 5 HSDPA 23 197dBm 529 6 mA WCDMA Band 5 HSUPA 23 197dBm 512 9 mA WCDMA Band 8 HSDPA 23 374dBm 508 2 mA WCDMA Band 8 HSUPA 23 374dBm 495 mA LT...

Страница 72: ...0 Temperature conversion time is 3min total 24 cycles High temperature high humidity test 85 95 RH last for 48 hours in shutdown mode Low temperature operation test 30 last for 24 hours in operation m...

Страница 73: ...have considered possible problems of ESD and took some protections considering problems in the transport and secondary development we need to consider the protection of final product ESD including the...

Страница 74: ...eiG Product Manual of SLM750 Module SLM750 Module Hardware Design Page 74 total 84 pages 7 Mechanical Dimensions 7 1 Mechanical Dimensions of the Module Figure 29 Module top and side dimension unit mm...

Страница 75: ...MeiG Product Manual of SLM750 Module SLM750 Module Hardware Design Page 75 total 84 pages Figure 30 Module bottom dimensions unit mm...

Страница 76: ...MeiG Product Manual of SLM750 Module SLM750 Module Hardware Design Page 76 total 84 pages 7 2 Recommended Packaging Figure 31 Top view of recommended packaging unit mm...

Страница 77: ...duct Manual of SLM750 Module SLM750 Module Hardware Design Page 77 total 84 pages 7 3 Top View of the Module Figure 32 Top view of the module 7 4 Bottom View of the Module Figure 33 Bottom view of the...

Страница 78: ...ected to reflow 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 ind...

Страница 79: ...of SLM750 Module SLM750 Module Hardware Design Page 79 total 84 pages 8 2 Manufacturing and Welding Figure 34 Reflow soldering temperature profile 8 3 Packing SLM750 uses pallet packaging Specificati...

Страница 80: ...MeiG Product Manual of SLM750 Module SLM750 Module Hardware Design Page 80 total 84 pages Figure 35 Pallet packaging Unit mm...

Страница 81: ...ripheral Component Interconnect CS Circuit Switched CS domain CSD Circuit Switched Data DCE Data communication equipment DTE Data terminal equipment DTR Data Terminal Ready EDGE Enhanced Data rates fo...

Страница 82: ...Subscriber Identity Module TCP IP Transmission Control Protocol Internet Protocol UART Universal asynchronous receiver transmitter USIM Universal Subscriber Identity Module UMTS Universal Mobile Tele...

Страница 83: ...odule is limited to installation in mobile or fixed applications The separate approval is required for all other operating configurations including portable configurations and different antenna config...

Страница 84: ...ules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause...

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