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MEIG SNM758 Hardware Design Manual

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SNM758_Hardware Design Guide
SNM758 Hardware
Design Guide
Version Number：V1.14
Released Date：2023/01
MeiG Smart Technology Co., Ltd
1/83

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Summary of Contents for MEIG SNM758

  • Page 1 SNM758_Hardware Design Guide SNM758 Hardware Design Guide Version Number：V1.14 Released Date：2023/01 MeiG Smart Technology Co., Ltd 1/83...

  • Page 2: Important Notice

    DISCLAIMER MeiG Smart will not take any responsibility for any property and health damage caused by the abnormal operation of customers. Please develop the product according to the technical specification and designing reference guide which defined in the product manual.

  • Page 3: Safety Warning

    Pay attention to the following security precautions in the process of using or repairing any terminal or mobile phone. Terminal devices should be informed of the following security information. Otherwise, MeiG will not bear any consequences that the user does not follow these warning operations. Logo...
  • Page 4 SNM758_Hardware Design Guide SNM758 Hardware Design Guide_V1.14 MeiG Smart Technology Co., Ltd 3/83...
  • Page 5 SNM758_Hardware Design Guide Foreword Thank you for using the SNM758 module from MeiG Smart. This product can provide data communication services. Please read the user manual carefully before use, you will appreciate its perfect function and simple operation method. The company does not assume responsibility for property damage or personal injury caused by improper operation of the user.

  • Page 6: Table Of Contents

    4.11.3. BAT_CON_TEM ......................58 4.12. UIM Card Interface ........................59 4.12.1. UIM Interface Circuit ...................... 59 4.12.2. UIM PCB layout ......................60 4.13. SD Card Interface ........................60 4.14. I2C Bus Interface ........................61 MeiG Smart Technology Co., Ltd 5/83...
  • Page 7 Déclaration d'exposition aux radiations ..................81 RSS-247 Section 6.4 (5) (6) (for local area network devices, 5GHz) ........81 This device is intended only for OEM integrators under the following conditions: (For module device use) ..........................81 MeiG Smart Technology Co., Ltd 6/83...

  • Page 8: Version History

    1.09 2019-12-2 Modify current parameter MEIG HW 1.10 2020-1-2 Modify Figure 3.2 MEIG HW 1.11 2020-3-25 Modify Figure 4.6.1 MEIG HW 1.12 2022-8-10 Modify information MEIG HW 1.13 2023-1-10 Modify Figure 2 MEIG HW MeiG Smart Technology Co., Ltd 7/83...

  • Page 9: Introduction

    RF interface for customer’s applications. It can help users quickly understand the interface definition, electrical performance, mechanical details and other relevant information of SNM758 modules. Associated with other application documents, users can quickly use modules to design mobile communication applications.

  • Page 10: Module Overview

    SNM758_Hardware Design Guide 2. Module Overview SNM758 series SoC modules, designed based on the MSM8953/SDM450 chipset, its CPU is made of 14nm FinFET, built in 64bit ARM, 8 cores Cortex A-53, main frequency 1.8/2.0/2.2GHz processor(main frequency of SDM450 is 1.8Ghz), supporting LPDDR3 SDRAM memory. This module is suitable for broadband intelligent wireless communication of TD-LTE/ FDD-LTE /WCDMA /EVDO/TD- SCDMA /CDMA/GSM network standards.

  • Page 11: Summary Of Features

     Two sets of SPI interfaces.  One TF card interface.  Support GNSS，WiFi2.4G/5G，Bluetooth 4.2 functions. 2.1. Summary of features Table 1 SNM758 features Product Characteristics Description Platform Qualcomm MSM8953/SDM450 Octa-core A53 (64bit) 8*1.8GHz Octa-core A53 (64bit) 8*2.0GHz Octa-core A53 (64bit) 8*2.2GHz Adreno506;650MHz(MSM8953)/600MHz(SDM450)
  • Page 12 Interface: Support three sets of CSI, each group is 4-Lane Camera Pixel:Rear 13-24Mp/Front up to 13Mp, Dual ISP can support dual 13MP Camera Camera at the same time (Front and Rear) MSM8953: Video decode 4K 30fps, 1080p 60fps, H.264/H.265/ VP8 SDM450： MeiG Smart Technology Co., Ltd 11/83...
  • Page 13 Multi-mode LTE main antenna Multi-mode LTE diversity antenna RF Interface 2.4G WiFi/BT antenna 5G WIFI antenna One main MIC One noise reduction MIC Audio One Hands free speaker（Built in 0.8W Class D amplifier） One earpiece MeiG Smart Technology Co., Ltd 12/83...

  • Page 14: Module Package

    GPIO87_KEY3_FOCUS GPS_ANT GPIO88_MI2S1_D1 VREG_L15_UIM2 VREG_L11_2P95 UIM2_DATA VREG_L12_VDDPX2_SDC UIM2_CLK GPIO133_SDCARD_DET_N UIM2_RESET SDC2_SDCARD_D0 GPIO58_UIM2_DET SDC2_SDCARD_D1 GPIO39_MCAM_PWD_N SDC2_SDCARD_D2 GPIO40_MCAM_RST_N SDC2_SDCARD_D3 GPIO26_CAM_MCLK0 SDC2_SDCARD_CMD SDC2_SDCARD_CLK 2.4G_ANT Power Pins GND Pins Signal Pins Figure 1 module pin diagram (top view) MeiG Smart Technology Co., Ltd 13/83...
  • Page 15 TX（debug serial port） Configurable UART2_ I/O,UART2 GPIO_5* PD:npp MSM_RX RX（debug serial port） GPIO6_I2 Configurable GPIO_6 PD:npp C2_SDA I/O, I2C SDA GPIO7_I2 Configurable GPIO_7 PD:npp C2_SCL I/O, I2C SCL GPIO12_ Configurable GPIO_12* UART4_T PD:npp I/O,UART4 MeiG Smart Technology Co., Ltd 14/83...
  • Page 16 I/O, HOME GPIO88_ Configurable MI2S1_D GPIO_88 PD:npp I/O or I2S_D1 PMIC output VREG_L1 2.95V for SD- 1_2P95 card power VREG_L1 PMIC output 2_VDDP 2.95V for SD X2_SDC signal GPIO133 Configurable GPIO_133* _SDCAR PD:npp I/O,SD card MeiG Smart Technology Co., Ltd 15/83...
  • Page 17 2 clock- MIPI camera MIPI_CSI serial 2_LANE0 interface 2 lane0+ MIPI camera MIPI_CSI serial 2_LANE0 interface 2 lane0- MIPI camera MIPI_CSI serial 2_LANE3 interface 2 lane3+ MIPI camera MIPI_CSI serial 2_LANE3 interface 2 lane3- MeiG Smart Technology Co., Ltd 16/83...
  • Page 18 0 lane3+ MIPI camera MIPI_CSI serial 0_LANE3 interface 0 lane3- MIPI camera MIPI_CSI serial 0_LANE0 interface 0 lane0+ MIPI camera MIPI_CSI serial 0_LANE0 interface 0 lane0- MIPI camera MIPI_CSI serial 1_LANE1 interface 1 lane1+ MeiG Smart Technology Co., Ltd 17/83...
  • Page 19 MIPI display MIPI_DSI serial 0_LANE1 interface 0 lane1- MIPI display MIPI_DSI serial 0_LANE1 interface 0 lane1+ RF signal for 5G_ANT 5G WIFI MIPI display MIPI_DSI serial 0_LANE2 interface 0 lane2- MIPI_DSI MIPI display 0_LANE2 serial MeiG Smart Technology Co., Ltd 18/83...
  • Page 20 Configurable This GPIO can only be used as the power- MCAM_P GPIO_39 PD:npp I/O, CSI0 off control of the rear camera and cannot WD_N PWDN be occupied GPIO58_ UIM2 removal GPIO_58* UIM2_DE PD:npp detection MeiG Smart Technology Co., Ltd 19/83...
  • Page 21 RESET Configurable GPIO63 GPIO_63* PD:npp I/O, Configurable GPIO59 GPIO_59* PD:npp I/O, RF signal for RF_DIV diversity ANT CAM_I2C PD:npp CSI2 I2C SCL _SCL0 Configurable CAM_I2C PD:npp I/O, CSI2 I2C _SDA0 GPIO54_ GPIO_54* UIM1 removal MeiG Smart Technology Co., Ltd 20/83...
  • Page 22 Microphone MIC_BIA bias for earphone mic MIC_BIA Microphone bias RF signal for RF_MAIN main ANT MIC_IN1_ Microphone 1input plus MIC_IN1_ Microphone input minus Microphone GND_MI bias filter ground MBHC CDC_HS mechanical _DET insertion/rem oval-detection MeiG Smart Technology Co., Ltd 21/83...
  • Page 23 ENSOR voltage LCD,CAM,TP VREG_L6 , sensor 1.8V _1P8 Supply voltage digital I/Os VREG_L5 1.8V Supply _1P8 voltage PM_RESI RESET N_N1 KYPD_P KEY POWER WR_N1 ON/OFF USB_ID USB ID USB_HS USB data AI,AO _D_M minus MeiG Smart Technology Co., Ltd 22/83...
  • Page 24 5V charging input VBUS PI,PO power/OTG output power 5V charging input VBUS PI,PO power/OTG output power Reserved (HAPTIC Reserved S_CDC_L OUT3) Reserved (CODEC_ Reserved DIV_CLK) GPIO98_I Configurable GPIO_98 2C8_SDA PD:npp I/O, I2C SDA MeiG Smart Technology Co., Ltd 23/83...
  • Page 25 – plus GPIO20_ Configurable UART6_T GPIO_20 PD:npp I/O,UART6 GPIO21_ Configurable UART6_ GPIO_21* PD:npp I/O,UART6 Reserved Reserved Reserved Reserved Current sink CHG_LE Remove the PMI module, this pin is not for charging available indication Reserved Reserved MeiG Smart Technology Co., Ltd 24/83...
  • Page 26 MIPI CSI0 0_LANE1 interface lane1+ MIPI_CSI MIPI CSI0 0_LANE1 interface lane1- Configurable GPIO94 GPIO_94 PD:npp Configurable GPIO95 GPIO_95 PD:npp Configurable No pull-up resistors can be added to this GPIO96 GPIO_96 PD:npp Configurable GPIO97 GPIO_97* PD:npp MeiG Smart Technology Co., Ltd 25/83...
  • Page 27 Configurable GPIO89 GPIO_89 PD:npp DMIC0_CLK Configurable GPIO90 GPIO_90* PD:npp DMIC0_DATA FORCE_ Force USB_BO download port MIPI_CSI MIPI CSI1 1_CLK_N clock- MIPI_CSI MIPI CSI1 1_CLK_P clock+ Configurable PM8953_ Z,DI,D MPP,PWM,A MPP4 Configurable GPIO66 GPIO_66 PD:npp MeiG Smart Technology Co., Ltd 26/83...
  • Page 28 This pin is left open MSM_MC LK） Reserved （WCD_ Reserved This pin is left open RST_N） Configurable GPIO9 GPIO_9* PD:npp I/O, Configurable GPIO8 GPIO_8 PD:npp I/O, GPIO11_ Configurable GPIO_11 TP_I2C3_ PD:npp I/O, CTP I2C MeiG Smart Technology Co., Ltd 27/83...
  • Page 29 MIPI_DSI MIPI DSI1 1_LANE2 lane2- MIPI_DSI MIPI DSI1 1_LANE3 lane3+ MIPI_DSI MIPI DSI1 1_LANE3 lane3- Reserved This pin is left open （ WCD_I Reserved NTR2） Reserved This pin is left open （WCD_I Reserved NTR1） MeiG Smart Technology Co., Ltd 28/83...
  • Page 30 RST_N reset GPIO28_ Configurable This GPIO can only be used as the clock CAM_MC GPIO_28* PD:npp I/O, CSI1 control of the sub-camera and cannot be MCLK occupied GPIO93_ Configurable GPIO_93* MI2S_1_ PD:npp I/O, I2S1_D0 MeiG Smart Technology Co., Ltd 29/83...
  • Page 31 NP：pdpukp=default no-pull with programmable options following the colon (:) PD：nppukp=default pull down with programmable options following the colon (:) PU：nppdkp=default pull up with programmable options following the colon (:) KP：nppdpu=default keeper with programmable options following the colon (:) MeiG Smart Technology Co., Ltd 30/83...

  • Page 32: Mechanical Dimensions

    SNM758_Hardware Design Guide 3.3. Mechanical Dimensions Figure 2 Module 3D size（unit ：mm） MeiG Smart Technology Co., Ltd 31/83...
  • Page 33 SNM758_Hardware Design Guide Figure 3 Recommended PCB package size (unit: mm) MeiG Smart Technology Co., Ltd 32/83...

  • Page 34: Interface Application

    3.8V lithium-ion battery. When using the battery, the impedance between the VBAT pin and the battery should be less than 150mΩ. VBAT C168 D201 C220 47uF 33pF 10pF EDZ5.6B/SOD-323 47uF Figure 4 VBAT input reference circuit MeiG Smart Technology Co., Ltd 33/83...

  • Page 35: Power Pin

    VBAT does not fall below 3.5V even when the module consumes 3A. If the voltage drops below 3.5V, the module may shut down. The PCB layout MeiG Smart Technology Co., Ltd 34/83...

  • Page 36: Power Pcb Layout

    CBL_PWR_N pin (203) is pulled low. CBL_PWR_N can be powered on by 10K pull- down resistor to GND. It does not need to release this signal after booting. 1.8V PWRKEY Module 4.7K Figure 8 Using PWRKEY to turn on the module MeiG Smart Technology Co., Ltd 35/83...

  • Page 37: Turn Off

    The user can achieve a forced reset by pulling PWRKEY down for a long time, pulling down for at least 15 seconds. MeiG Smart Technology Co., Ltd 36/83...

  • Page 38: Module Reset

    SNM758_Hardware Design Guide 4.2.3. Module Reset The SNM758 module supports a reset function that allows the user to quickly restart the module by pulling the RESET pin of the module low. The recommended circuit is as follows: Reset module Figure 11 Reset using the key circuit Figure 12 Reset Module Using External Signal When the pin is high, the voltage is typically 1.8V.

  • Page 39: Power Output

    3uA when VBAT is disconnected. 4.4. Power Output The SNM758 has multiple power outputs. For LCD, Camera, touch panel, etc. In application, it is recommended to add parallel 33PF and 10PF capacitors to each power supply to effectively remove high frequency interference.

  • Page 40: Serial Port

    1.175 4.5. Serial Port The SNM758 provides four serial ports for communication. And corresponding to three groups of I2C interfaces can be multiplexed into hardware flow control, note that the I2C interface can not be added to the UART_RTS/CTS when the pull resistor can be added.
  • Page 41 IC, the following figure can also be used to achieve level matching. Only the matching circuits on TX and RX are listed here. Other low speed signals can refer to this two circuits. MeiG Smart Technology Co., Ltd 40/83...
  • Page 42 The serial port of the module is a CMOS interface, and the RS232 signal cannot be directly connected. If necessary, please use the RS232 conversion chip. If the 1.8V output of the module cannot meet the high level range of the user terminal, please add a level shifting circuit. MeiG Smart Technology Co., Ltd 41/83...

  • Page 43: Mipi Interface

    SNM758_Hardware Design Guide 4.6. MIPI Interface The SNM758 supports the Mobile Industry Processor Interface (MIPI) interface for Camera and LCD. The module supports FULL HD (1920*1200) display. The MIPI interface Main Camera supports up to 13MP, and the Front Camera supports 8MP.
  • Page 44 LCD series backlight negative pole（Only LCD_BL_LED_A SNM758C has backlight, other models must be NC） VREG_L6_1P8 1.8V power supply VREG_L17_2P85 2.8V power supply Secondary Screen Interface MIPI_DSI1_CLK_N MIPI_LCD2 clock line MIPI_DSI1_CLK_P MIPI_DSI1_LANE0_N MIPI_DSI1_LANE0_P MIPI_DSI1_LANE1_N MIPI_LCD2 data line MIPI_DSI1_LANE1_P MIPI_DSI1_LANE2_N MeiG Smart Technology Co., Ltd 43/83...
  • Page 45 EMI803 I2 O2 MIPI_DSIO_LANE2_P I1 O1 MIPI_DSIO_LANE2_N EMI804 I2 O2 MIPI_DSIO_LANE3_P I1 O1 MIPI_DSIO_LANE3_N LCD_BL_LED_K2 LCD_BL_LED_K1 LCD_BL_LED_A GPIO24_LCD_TE0 LCD_ID GPIO61_LCD_RST_N VREG_L17_2P85 VREG_L6_1P8 GPIO10_TP_I2C3_SDA GPIO11_TP_I2C3_SCL GPIO65_TP_INT_N GPIO64_TP_RST_N ECF052030X-L C801 C802 2.2uF T801 100nF T802 6.3V MeiG Smart Technology Co., Ltd 44/83...
  • Page 46 LCD document and select the correct driver chip. The reference circuit provided in this document is a series-type PWM dimming backlight driver circuit; if it is a series-type one-line dimming backlight driver circuit, it needs to be controlled by GPIO. MeiG Smart Technology Co., Ltd 45/83...

  • Page 47: Mipi Camera Interface

    SNM758_Hardware Design Guide 4.6.2. MIPI Camera Interface The SNM758 module supports the MIPI interface Camera and provides a dedicated camera power supply. The main camera is a CSI0 interface that supports four sets of data lines and can support up to 13M pixels.
  • Page 48 CSI2 camera clock signal GPIO129_SCAM_RST_N CSI2 camera reset signal GPIO130_SCAM_PWDN CSI2 camera sleep signal CAM_I2C_SDA1 I2C data CAM_I2C_SCL1 I2C clock VREG_L6_1P8 1.8V IOVDD 2.8V AFVDD（Focus motor power VREG_L17_2P85 supply） VREG_L22_2P8 2.8V AVDD VREG_L23_1P175 1.175V DVDD MeiG Smart Technology Co., Ltd 47/83...
  • Page 49 Please pay attention to the length of the trace. It is not recommended to add a small capacitor on the MIPI signal line. This may affect the rising edge of the MIPI data. This in turn causes the MIPI data to be invalid. MeiG Smart Technology Co., Ltd 48/83...

  • Page 50: Mipi Pcb Layout

    The GND processing must be performed on the upper and lower sides, and the traces are differential pairs. 85+/-15ohm MeiG Smart Technology Co., Ltd 49/83...

  • Page 51: Capacitive Touch Interface

    GSM antenna and VBAT during PCB layout and routing. The filter capacitor of the audio is preferably placed close to the module end and placed next to MeiG Smart Technology Co., Ltd 50/83...
  • Page 52 Earpiece output negative CDC_EAR_P Earpiece output positive SPKR_DRV_M Amplifier (0.85W) output negative SPKR_DRV_P Amplifier (0.85W) output positive Users are advised to use the following circuit according to the actual application to get better sound MeiG Smart Technology Co., Ltd 51/83...

  • Page 53: Earpiece Interface Circuit

    ESD damage. The HS_DET pin of the module can be set as an interrupt. In software, this pin is the earphone interrupt by default. The user can use this pin to detect the plugging and unplugging of the earphone. MeiG Smart Technology Co., Ltd 52/83...

  • Page 54: Speaker Interface Circuit

    The module integrates a Class-D audio amplifier with an output power of 0.85W and an output signal of SPKR_OUT_P / SPKR_OUT_M. 100pF C326 J302 SPKR_DRV_P SPKR_DRV_M SPKA C328 C327 33pF 33pF Figure 24 Recommended circuit with internal audio amplifier MeiG Smart Technology Co., Ltd 53/83...

  • Page 55: Line Out Interface Circuit

    In some cases, the TDD in the GSM850/EGSM900 frequency band is more serious, and in some cases the TDD interference in the DCS1800 frequency band is serious. Therefore, users can select the required filter capacitors according to the actual test results, and sometimes even do not MeiG Smart Technology Co., Ltd 54/83...

  • Page 56: I2S Interface

    The coupling interference of TDD has a great relationship with the PCB design of the user. In some cases, the TDD of the GSM850/EGSM900 frequency band is more serious, and in some cases, the TDD interference of the DCS1800 frequency band is more serious. Therefore, the user can select MeiG Smart Technology Co., Ltd 55/83...

  • Page 57: Usb Interface

    4.10. USB Interface The SNM758 supports a USB 2.0 /3.0High/Super speed interface. It must control the 90 ohm differential impedance during Layout and control the external trace length. The module supports high-speed USB interface at a rate of 480Mbps. The user recommends adding a common-mode inductor during the schematic design phase to effectively suppress EMI interference.

  • Page 58: Usb Otg

    USB_DM <1pF connect Module Figure 27 USB Connection Diagram 4.10.1. USB OTG The SNM758 module can provide USB OTG function. The pins used in this function are as follows: Table 3 USB OTG Pin Description Pin Name Description VBUS 157、158、159 5V charging input / OTG output power.

  • Page 59: Charging Interface

    SNM758_Hardware Design Guide 4.11. Charging Interface The SNM758 module integrates a 2A charging solution. The charging related content of this manual is only described by the internal charging scheme. The MSM8953 platform uses the Qualcomm PMI8952 internal integrated charging chip by default. The chip is in switching mode and has high efficiency.

  • Page 60: Uim Card Interface

    4.12. UIM Card Interface 4.12.1. UIM Interface Circuit The SNM758 can support two SIM cards at the same time to achieve dual card dual standby. Support SIM card hot swap, can automatically recognize 1.8V and 3.0V cards. The figure below is the SIM recommended interface circuit.

  • Page 61: Uim Pcb Layout

    The return path of VBAT has a large current, so the SIM card trace should avoid the return path of VBAT as much as possible. 4.13. SD Card Interface SNM758 supports SD card interface and supports up to 256GB. The reference circuit is as follows: VREG_L12_VDDPX2_SDC...

  • Page 62: I2C Bus Interface

    SNM758_Hardware Design Guide 4.14. I2C Bus Interface The SNM758 module supports four hardware I2C bus interfaces and one camera-specific CCI interface. The pin definitions and default functions are as follows: Name Default Function CAM_I2C_SDA0 Camera dedicated CAM_I2C_SCL0 GPIO14_SENSOR_I2C4_SDA General purpose I2C, default for sensor...

  • Page 63: Pwm

    4.17. Motor The SNM758 supports motor functions and can be implemented by the user via PMI_HAP_OUT_N -(8PIN) and PMI_HAP_OUT_P (9PIN). The reference schematic diagram is as follows. Note that the uF-level capacitor cannot be placed on the signal line.

  • Page 64: Antenna Interface

    In the above figure, R101 defaults to 0R, and C101 and C102 do not paste by default. 4.18.2. DRX Antenna The module provides the DRX antenna interface pin RF_DIV, and the antenna on the user's motherboard should be connected to the module's antenna pins using a 50-ohm characteristic micros- MeiG Smart Technology Co., Ltd 63/83...

  • Page 65: Wifi/Bt Antenna

    50 ohm microstrip line or strip line. In order to facilitate antenna debugging and certification testing, an RF connector and antenna MeiG Smart Technology Co., Ltd 64/83...

  • Page 66: Antenna Pcb Layout

    VSWR is less than 2. Pay attention to component placement and RF routing: The RF test head is used to test the conducted RF performance and should be placed as close as MeiG Smart Technology Co., Ltd 65/83...
  • Page 67 If the antenna is connected by a coaxial RF line, care should be taken to avoid the coaxial RF line spanning the SIM card, power supply circuit, and high-speed digital circuits to minimize the effects of each other. MeiG Smart Technology Co., Ltd 66/83...

  • Page 68: Electrical, Reliability

    Table 6 Module Operating Temperature Parameter Minimum Typical Maximum Unit ℃ Working temperature ℃ Storage temperature 5.3. Working Voltage Table 7 Module Operating Voltage Parameter Minimum Typical Maximum Unit VBAT VBUS Hardware shutdown voltage MeiG Smart Technology Co., Ltd 67/83...

  • Page 69: Digital Interface Features

    Table 9 SIM_VDD Characteristics Parameter Description Minimum Typical Maximum Unit Output voltage Output current 5.6. PWRKEY Feature Table 10 PWRKEY Characteristics Parameter Description Minimum Typical Maximum Unit High level PWRKEY Low level Effective time 3000 MeiG Smart Technology Co., Ltd 68/83...

  • Page 70: Vcoin Feature

    2.99 consumption TD-S Standby power Average 3.27 Ivbat consumption current CDMA Standby power 3.25 consumption FDD Standby power 3.47 consumption TDD Standby power 3.24 consumption 6.Production 6.1. Top and Bottom Views of the Module MeiG Smart Technology Co., Ltd 69/83...

  • Page 71: Recommended Soldering Furnace Temperature Curve

    SNM758_Hardware Design Guide Figure 41 Module top and bottom views 6.2. Recommended Soldering Furnace Temperature Curve MeiG Smart Technology Co., Ltd 70/83...
  • Page 72 SNM758_Hardware Design Guide Figure 42 Module recommended soldering furnace temperature curve MeiG Smart Technology Co., Ltd 71/83...

  • Page 73: Humidity Sensitivity (Msl)

    The SNM758 should be baked for 192 hours in a cryogenic vessel at 40° C +5° C/-0° C and a relative humidity of less than 5%, or in a high temperature vessel at 80° C± 5° C.Bake for 72 hours. Users should note that the tray is not resistant to high temperatures.
  • Page 74 SNM758_Hardware Design Guide Table 14 Baking requirements: Baking Temperature Humidity Baking Time 40° C± 5° C <5% 192 hours 120° C± 5° C <5% 4 hours MeiG Smart Technology Co., Ltd 73/83...

  • Page 75: Appendix

    AN_Serial Port AN_Serial Port 7.2. Terms and Explanations Table 35 Terms and explanations Term Explanation Analog-to-Digital Converter Adaptive Multi-Rate Coding Scheme Circuit Switched Data Clear to Send Data Terminal Equipment (typically computer, terminal, printer) MeiG Smart Technology Co., Ltd 74/83...
  • Page 76 Password Authentication Protocol PBCCH Packet Broadcast Control Channel Printed Circuit Board Power Control Level Personal Communication System, also referred to as GSM 1900 Protocol Data Unit Point-to-point protocol Radio Frequency Root Mean Square (value) Receive Direction MeiG Smart Technology Co., Ltd 75/83...

  • Page 77: Fcc/Ic Warning

    3. The separate approval is required for all other operating configurations, including portable configurations with respect to Part 2.1093 and different antenna configurations 4. For FCC Part 15.31 (h) and (k): The host manufacturer is responsible for additional testing to verify MeiG Smart Technology Co., Ltd 76/83...

  • Page 78: Important Note

    “Contains FCC ID: 2APJ4-SNM758” “Contains IC: 23860-SNM758 “ The FCC ID/IC ID can be used only when all FCC/IC compliance requirements are met.

  • Page 79: Antenna Installation

    (3) Only antennas of the same type and with equal or less gains as shown below may be used with this module. Other types of antennas and/or higher gain antennas may require additional authorization for operation. 2.4GHz band 5.2GHz band 5.3GHz band 5.5GHz band 5.8GHz band Antenna type MeiG Smart Technology Co., Ltd 78/83...

  • Page 80: Manual Information To The End User

    This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. List of applicable FCC rules This module has been tested and found to comply with part 15.247 and 15.407 requirements for Modular Approval. MeiG Smart Technology Co., Ltd 79/83...

  • Page 81: This Device Is Intended Only For Oem Integrators Under The Following Conditions: (For Module Device Use)

    Radiation Exposure Statement This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body. MeiG Smart Technology Co., Ltd 80/83...

  • Page 82: Déclaration D'exposition Aux Radiations

    OEM integrator is still responsible for testing their end-product for any additional compliance requirements required with this module installed. Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions suivantes: (Pour utilisation de dispositif module) MeiG Smart Technology Co., Ltd 81/83...
  • Page 83 This transmitter module is authorized only for use in device where the antenna may be installed such that 20 cm may be maintained between the antenna and users. The final end product must be labeled in a visible area with the following: “Contains IC: 23860-SNM758 ”. Plaque signalétique du produit final Ce module é...

  • Page 84: Manuel D'information À L'utilisateur Final

    Le manuel de l'utilisateur final doit inclure toutes les informations ré glementaires requises et avertissements comme indiqué dans ce manuel. MeiG Technology Technology Co., Ltd. Add: 5F, Tower G, Westlink No.2337, Gudai Road, Minhang District, Shanghai, China 201100...

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