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Sunsea AIoT SIMCom SIM5800 Hardware Design

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SIM5800 Hardware Design_V1.01
FCC ID:UDV-SIM5800

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  • Page 1 SIM5800 Hardware Design_V1.01 FCC ID:UDV-SIM5800...
  • Page 2 Smart Machine Smart Decision SIM5800 Hardware Design Document Title 1.01 Version 2018-10-08 Date Draft ( Initial release ) Status SIM5800 Hardware Design_V1.01 Document Control ID FCC Warning This device complies with part 15 of the FCC Rules. 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 undesired operation.

  • Page 3: Table Of Contents

    Smart Machine Smart Decision Contents Contents ..................................3 Table Index ................................5 Figure Index ................................6 Version History ................................ 7 Introduction ..............................8 Overview ................................ 8 Key Feature .............................. 9 Functional Diagram ..........................11 Pin definitions .............................. 12 Pin Assignment ............................12 Pin Description ............................
  • Page 4 Smart Machine Smart Decision 5.2.4 MIPI ..............................45 5.2.5 USB ..............................46 5.2.6 SD................................ 46 5.2.7 Audio ..............................47 Electrical and Reliabilit ..........................48 Absolute Maximum Rating ........................48 Temperature Range ..........................48 Operating Voltage........................... 48 Digital-logic Characteristics ........................48 PWRKEY characteristics ........................
  • Page 5 Smart Machine Smart Decision Table Index TABLE 1: KEY FEATURE ..............................9 TABLE 2: PIN DEFINITIONS ............................13 TABLE 3: RECOMMENDED ZENER DIODE MODEL ....................22 TABLE 4: ELECTRONIC CHARACTERISTIC OF THE RESET PIN ................24 TABLE 5: POWER SUPPLY PINS ..........................25 TABLE 6: USB INTERFACE ............................
  • Page 6 Smart Machine Smart Decision Figure Index FIGURE 1: SIM5800 FUNCTIONAL DIAGRAM......................11 FIGURE 2: MODULE PIN DIAGRAM (TOP VIEW) ....................12 FIGURE 3: OUTLINE DRAWING (UNIT: MM)......................19 FIGURE 4: RECOMMENDED PCB FOOTPRINT (UNIT: MM) .................. 20 FIGURE 5: LDO POWER SUPPLY REFERENCE CIRCUIT ..................21 FIGURE 6: DC-DC POWER SUPPLY REFERENCE CIRCUIT ..................

  • Page 7: Version History

    Smart Machine Smart Decision Version History Date Version Description of change Author 2018-10-08 1.01 Initial release Jialin Song SIM5800_Hardware Design_V1.01 2018-10-08...

  • Page 8: Introduction

    Smart Machine Smart Decision 1. Introduction This document describes electrical specifications, mechanical information, interfaces application and manufacturing information about SIM5800 module. With the help of this document and other application notes or user guide, users can understand SIM5800 well and develop various products quickly. 2.

  • Page 9: Key Feature

    Smart Machine Smart Decision Key Feature Table 1: Key Feature Feature Implementation Application processor Quad-core ARM cortex-a7 processor; up to 1.3GHz; Memory 8Gb LPDDR3 RAM 8GB eMMC Flash External memory Support SD3.0, Support hot swap Operating system Android 5.1 Software upgrade Upgrade via USB port Power supply 3.45V ~4.4V...
  • Page 10 Smart Machine Smart Decision 11g: 15 dBm，EVM<-25dB 11n: 12 dBm，EVM<-27dB GNSS GPS, GLONASS, BEIDOU Operating temperature: -25℃ ~ +75℃ Temperature range Storage temperature: -40℃ ~ +90℃ Dimension: 40.5*40.5*2.8mm Physical features Weight: about 9g SIM5800_Hardware Design_V1.01 2018-10-08...

  • Page 11: Functional Diagram

    Smart Machine Smart Decision Functional Diagram BEAD MAIN 2G TX 3 Lanes DSI 1280*800 LCD 2G RX 2 Lanes CSI Primary Camera (5MP) Front 1 Lanes CSI Modem Secondary Camera (2MP) Jolokia USB HS (Support OTG) 3G/2G MODEM USIM1 Quad A7 w/ 512K L2 UIM Card1 Core USIM2...

  • Page 12: Pin Definitions

    Smart Machine Smart Decision 3. Pin definitions Pin Assignment VBAT GPIO81 VBAT GPIO82 MIC_BIAS1 MIC_BIAS0 UART2_RXD GPIO83 MIC1P GPIO84 MIC1N EAR_MICP MIC2P MIC2N UART2_TXD ISINK0 GND_EARMICN ISINK1 REC_P ISINK2 REC_N ISINK3 SPK_P GPIO21 SPK_N GPIO20 RESERVED GPIO19 USB_DM GPIO18 USB_DP GPIO65 RESET USB_ID...

  • Page 13: Pin Description

    Smart Machine Smart Decision Pin Description Table 2: Pin definitions Name Pin NO Description Note Power domain Power VBAT Main power supply for the module 1，2，145，146 VRTC Coin cell or backup-battery charger supply and input VIO18_PMU 1.8V LDO Output VIO28_PMU 2.8V LDO Output VGP2_PMU 1.2V~2.0V Output...
  • Page 14 Smart Machine Smart Decision USB_DP USB _ID OTG detection signal SIM card interface USIM2_DET USIM2 presence detection VIO18_PMU USIM2_RST USIM2 reset USIM2_VDD USIM2_CLK USIM2 clk Connect to PMU internally USIM2_DAT USIM2 data USIM2_VDD USIM2 power USIM1_DET USIM1 presence detection VIO18_PMU USIM1_RST USIM1 reset USIM1_VDD...
  • Page 15 Smart Machine Smart Decision LCD_RST LCM reset LCD_TE LCM frame alignment signal MIPI_DSI_CLKN MIPI_DSI_CLKP MIPI_DSI_LANE0N MIPI_DSI_LANE0P LCM MIPI MIPI_DSI_LANE1N MIPI_DSI_LANE1P MIPI_DSI_LANE2N MIPI_DSI_LANE2P Camera interface MIPI_CSI0_CLKN MIPI_CSI0_CLKP MIPI_CSI0_LN0N MIPI signal MIPI_CSI0_LN0P MIPI_CSI0_LN1N MIPI_CSI0_LN1P MIPI_CSI1_CLKN MIPI_CSI1_CLKP MIPI signal MIPI_CSI1_LN0N VIO18_PMU MIPI_CSI1_LN0P CAM0_MCLK Primary Camera master clock CAM1_MCLK Secondary Camera master clock...
  • Page 16 Smart Machine Smart Decision CAM_I2C_SDA Dedicated Camera I2C data Sensors interface SENSOR_I2C_SCL Sensors I2C clock Open drain output VIO18_PMU SENSOR_I2C_SDA Sensors I2C data ADC interface BAT_ID Battery Temperature detection(need 47K Please connect to GND via 47k, when no NTC inside the Battery) NTC inside the battery) Audio interface MIC1P...
  • Page 17 Smart Machine Smart Decision Others interface USB_BOOT USB Force download Pull down before power up, boot into download mode. UART1_TXD UART1_TXD VIO18_PMU UART1_RXD UART1_RXD UART1_CTS UART1_CTS UART1_RTS UART1_RTS GPIO69 GPIO GPIO11 GPIO GPIO12 GPIO GPIO65 GPIO VIO18_PMU GPIO18 GPIO GPIO19 GPIO GPIO20 GPIO...
  • Page 18 Smart Machine Smart Decision RESET Reset keypad VIO18_PMU RESERVED If not used, Don’t connect anything RESERVED 149,159 Internal connection No internal connection 60，61，110，111，115， 123，124，127，131，133 ○ 1 :VMCH_PMU : Connect to PMU internally, Voltage: 3.0V/3.3V ○ 2 :VMC_PMU: Connect to PMU internally, Voltage: 1.8V/3.3V SIM5800_Hardware Design_V1.01 2018-10-08...

  • Page 19: Physical Dimension

    Smart Machine Smart Decision Physical dimension Figure 3: Outline drawing (unit: mm) SIM5800_Hardware Design_V1.01 2018-10-08...

  • Page 20: Figure 4: Recommended Pcb Footprint (Unit: Mm)

    Smart Machine Smart Decision Figure 4: Recommended PCB footprint (unit: mm) SIM5800_Hardware Design_V1.01 2018-10-08...

  • Page 21: Interface Application

    Smart Machine Smart Decision 4. Interface Application Power Supply For non-battery applications, if the DC input voltage is +5V and users do not care about the power efficiency, a high-current low-dropout regulator is recommended. The reference design is shown in Figure 5 U101 MIC29302 DC INPUT VBAT...

  • Page 22: Power Supply Pins

    Smart Machine Smart Decision VBAT_RF VBAT D101 C101 C105 C103 5.1V 33pF 100uF 100uF 500mW MODULE Figure 7: VBAT Input reference circuit In the Figure 7, C101/C105 is 100uF tantalum capacitors of low ESR; 33pF capacitance can effectively remove high frequency interference; 5.1V/500mW zener diode can prevent the damage of surge on the chip. The capacitance and zener diodes should be as close to the VBAT pin of the module as possible during PCB layout.

  • Page 23: Power Off

    Smart Machine Smart Decision Users can power on SIM5800 by pulling down the PWRKEY pin at least 6 seconds (TBD) and then release. This pin is already pulled up to VBAT in the module, so external pull up is not necessary. Reference circuit is show as below: VBAT PWRKEY...

  • Page 24: Vrtc

    Smart Machine Smart Decision SIM5800 also have a RESET pin used to reset the module. This function is used as an emergency reset. Users can pull the RESET pin to the ground, and then the module will restart. Reset MT6350 100R Module Figure 12: Reset circuit...

  • Page 25: Power Output

    Smart Machine Smart Decision Module VRTC Core Non-chargeable Backup Battery Figure 14: RTC supply from non-chargeable battery  Rechargeable battery backup Module VRTC Core Rechargeable Backup Battery Figure 15: RTC supply from rechargeable battery The typical voltage of VRTC is 2.8V, when VBAT is not supplied, the current consumption is about 5uA (TBD).Please refer to Table 32: VRTC Characteristics Power output---LDO SIM5800 has eight LDO power output, they are used for LCD, camera and touch panel, etc.
  • Page 26 Smart Machine Smart Decision internal power of the module, it is recommended that the external current consumption is less than 150mA. ○ 2 VIO28_PMU: The power supply is used internally. PMU has an output capacity 200mA. Considering the internal power of the module, it is recommended that the external current consumption is less than 150mA. Note: bold is the default voltage value in the table.

  • Page 27: Usb Interface

    Smart Machine Smart Decision USB interface The SIM5800 can be used to debug and download software via USB. Table 6: USB interface Pin Name Pin NO Description VBUS USB 5V Power supply input and USB insert detection 141，142 USB_DM USB - USB_DP USB + USB_ ID...

  • Page 28: Usb Host

    Smart Machine Smart Decision In the download phase, the current limit is very small from the VCHG to the VBAT path , only enough for the module to download the required current. Therefore, normal startup function of the module cannot be realized through VBUS power supply. If there are other chips in the module VBAT network which will consume the current when the power on, if the current consumption is high, it will also cause the module download failure.

  • Page 29: Charger Detection

    Smart Machine Smart Decision Figure 19: Charge diagram Note: The standard charger supported by SIM5800 module needs to connect USB_DP and USB_DM together, and the charging current can only reach the normal value set by the software after the software determines that it is a standard charger.

  • Page 30: Uarts

    Smart Machine Smart Decision VBAT VBAT 16.9K±1% AUXADC_REF BAT_ID 1K±1% 27K±1% 10K NTC Battery Module Figure 20: BAT_ID diagram UARTs SIM5800 provides two UARTs，the pin definition is in the following table： Table 7: UART pins definition Name Function UART1 Transmit data UART1_TXD UART1_RXD 35 UART1 Receive data...

  • Page 31: Sd Card

    Smart Machine Smart Decision VIO18_PMU Module Customer VIO18_PMU 4.7K 4.7K Figure 22: RX level converting by transistor Note: When using the level isolation in Figure 21 and Figure 22, please pay attention to the output sequential of VIO18_PMU. Only after VIO18_PMU is normally output, can the serial port communicate normally.

  • Page 32: Lcd Interface

    Smart Machine Smart Decision Figure 23: SD card reference circuit LCD interface SIM500 support LCM display with 3-lane MIPI interface, there is LCM_ID for different LCM compatible design. The landscape or portrait panel resolution is up to qHD (1280*800). The LCM interface is in the following table. MIPI differential impedance should be 100Ohm when routing.

  • Page 33: Touch Panel Interface

    Smart Machine Smart Decision Module VBAT LED+ LED+ WLED LED+ driver LED- LED- LED- LCD_ID VIO28_PMU VCC(2.8V) VIO18_PMU 10 VCC_IO LCD_RST 11 RESET LCD_TE 12 TE 13 NC 14 NC 15 GND MIPI_DSI_L1N 16 DSI_D1- MIPI_DSI_L1P 17 DSI_D1+ 18 GND MIPI_DSI_CLKN 19 DSI_CLK- MIPI_DSI_CLKP...

  • Page 34: Audio Interface

    Smart Machine Smart Decision MIPI_CSI0_CLKN MIPI_CSI0_CLKP MIPI_CSI0_L0N Primary camera MIPI MIPI_CSI0_L0P MIPI_CSI0_L1N MIPI_CSI0_L1P CAM_I2C_SCL I2C clock of camera CAM_I2C_SDA I2C data of camera CAM1_MCLK Secondary camera clock CAM1_RST Secondary camera reset CAM1_PWDN Secondary camera power down MIPI_CSI1_CLKN MIPI_CSI1_CLKP Secondary camera MIPI MIPI_CSI1_L0N MIPI_CSI1_L0P VCAMD_PMU...

  • Page 35: Receiver Interface

    Smart Machine Smart Decision MIC1P Microphone input , positive MIC1N Microphone input , negative EAR_MICP Ear_microphone input , positive GND_EARMICN Ear_microphone input , negative (GND) MIC2P Microphone input 2, positive MIC2N Microphone input 2, negative (GND) MIC_BIAS0 Microphone bias of MIC1P/1N and MIC2P/2N MIC_BIAS1 Microphone bias of EAR_MICP REC_P...

  • Page 36: Mic Interface

    Smart Machine Smart Decision Output power dB(A) @Pout=20mW 16 Ω load f = 1 kHz, 0 dB gain @Pout=100mW THD+N @Pout=20mW @Pout=100mW 4.12.2 MIC Interface Close to microphone MICBIAS0 33pF 10pF MIC1P differential PMIC signal 33pF 10pF & shielded by MIC1N 33pF 10pF...
  • Page 37 Smart Machine Smart Decision Test Condition Parameters Unit Output power dB(A) @Pout=2mW @Pout=10mW 32 Ω load f = 1 kHz, 0 dB gain @Pout=22mW THD+N @Pout=2mW @Pout=10mW @Pout=22mW Output power dB(A) @Pout=2mW @Pout=10mW 16 Ω load f = 1 kHz, 0 dB gain @Pout=22.5mW THD+N @Pout=2mW...

  • Page 38: Speaker Interface

    Smart Machine Smart Decision 4.12.4 Speaker Interface The module is integrated with a Class-D audio amplifier. Parameters are shown in the following table: Table 15: Performance parameters of the speaker Parameters Test Condition Unit 8 Ω load, VBAT= 4.2 V THD+N=1% 8 Ω...

  • Page 39: Usim Card

    Smart Machine Smart Decision MICBIAS0 MIC1P PMIC MIC1N Module MIC2P Figure 30: MICBIAS0 Internal Circuit MICBIAS1 EAR_MICP PMIC Module Figure 31: MICBIAS1 Internal Circuit 4.13 USIM Card SIM5800 supports dual cards dual standby, and card presence detection. Table 16: Pin definitions of the USIM Pin Name Description USIM2_DET...

  • Page 40: Adc

    Smart Machine Smart Decision Reference circuit of the USIM is following: Module USIM Card 100K VIO18_PMU USIM_VDD USIM_RST SUIM_CLK USIM_DET USIM_DAT 22pF 100nF C<30pF Figure 32: USIM reference circuit 4.14 ADC SIM5800 provides one 12bits ADC. Its performance parameters are following: Table 17: ADC performance parameters Parameter Unit...

  • Page 41: Gpio

    Smart Machine Smart Decision ISINK1 4~24 ISINK2 4~24 ISINK3 4~24 VBAT VBAT Module ISINK0 ISINK3 Figure 34: ISINK reference ciruit 4.17 GPIO SIM5800 default provides 16 GPIO pins. All GPIOs can be configured as inputs or outputs, pull-up or pull-down. The GPIOs are shown following table: Table 19: GPIO interface definition Pin name...

  • Page 42: Antenna Interface

    Smart Machine Smart Decision Table 20: Keypad interface Pin Name Description USB_BOOT KPCOL0 GPIO69 KPROW0 GPIO65 KPROW1 Recommended keypad circuit is as the following: KPCOL0 Module KPROW0 KPROW1 Figure 35: Keypad reference circuit 4.19 Antenna Interface SIM5800 provides three antenna interfaces including MAIN antenna, GNSS antenna, and WiFi/BT antenna. To ensure good RF performance, users should meet the following requirements: ●...

  • Page 43: Gnss Antenna Reference Circuit

    Smart Machine Smart Decision Figure 36: MAIN antenna recommended circuit R1, C1 and C2 are antenna matching components in Figure 36, the value of these components are determined according to the antenna tuning results. By default, R1 is 0Ω, C1 and C2 are reserved. The RF connector in Figure 36 is used to ensure the accuracy and convenience of the conduction testing, so SIMCOM suggest keeping it.

  • Page 44: Wifi/Bt Antenna

    Smart Machine Smart Decision according to antenna characteristic; C1 is used for DC blocking and its value is 33pF by default; the RF connector is used to ensure the accuracy and convenience of the conduction testing, if considering LOW-Cost BOM, users can cancel it.

  • Page 45: Pcb Layout Guide

    Smart Machine Smart Decision 5. PCB Layout Guide Usually, most electronic products with good performance are based on good PCB layout. A bad PCB layout will lead to lots of issues, like TDD noise, SIM card can not be detected, etc. The final solution for these problems is to redo PCB layout.

  • Page 46: Usb

    Smart Machine Smart Decision Error in length （P-N） Signal Length(mm) MIPI_DSI_CLKN 12.04 0.14 MIPI_DSI_CLKP 12.18 MIPI_DSI_L0N 12.98 0.42 MIPI_DSI_L0P 13.40 MIPI_DSI_L1N 12.48 -0.55 MIPI_DSI_L1P 11.93 MIPI_DSI_L2N 13.50 -0.11 MIPI_DSI_L2P 13.39 MIPI_CSI0_CLKN 18.78 0.33 MIPI_CSI0_CLKP 19.11 MIPI_CSI0_L0N 18.90 0.48 MIPI_CSI0_L0P 19.38 MIPI_CSI0_L1N 19.63 0.56...

  • Page 47: Audio

    Smart Machine Smart Decision  Total routing length < 50 mm recommended  Spacing to all other signals = 2x line width  Bus capacitance < 15 pF Table 23: Line length of SD inside the module Signal Length(mm) SD_CLK 14.24 SD_CMD 15.19...

  • Page 48: Electrical And Reliabilit

    Smart Machine Smart Decision 6. Electrical and Reliabilit Absolute Maximum Rating Absolute maximum ratings reflect the stress levels that, if exceeded, may cause permanent damage to the device. Functionality and reliability are only guaranteed within the operating conditions. Table 24: Absolute maximum ratings Parameter Description Unit...

  • Page 49: Pwrkey Characteristics

    Smart Machine Smart Decision Low-level output voltage Table 29: SD interface characteristics（VMCH_PMU=1.8V） Parameter Description Unit High-level input voltage 1.27 Low-level input voltage -0.3 0.58 High-level output voltage Low-level output voltage 0.45 Table 30: SD interface characteristics（VMCH_PMU=2.95V） Parameter Description Unit High-level input voltage 0.625* VMCH_PMU VMCH_PMU +0.3 Low-level input voltage...

  • Page 50: Electro-Static Discharge

    Smart Machine Smart Decision Electro-Static Discharge Electrostatic discharge (ESD) occurs naturally in laboratory and factory environments. An established high-voltage potential is always at risk of discharging to a lower potential. If this discharge path is through a semiconductor device, it may result in destructive damage. SIM5800 must be handled according to the ESD Association standard: ANSI/ESD S20.20-1999, Protection of Electrical and Electronic Parts, Assemblies, and Equipment.

  • Page 51: Module Receiving Sensitivity

    Smart Machine Smart Decision GSM850 33dBm ± 2dB 5dBm ± 5dB E-GSM900 33dBm ± 2dB 5dBm ± 5dB DCS1800 30dBm ± 2dB 0dBm ± 5dB DCS1900 30dBm ± 2dB 0dBm ± 5dB GSM850 (8-PSK) 27dBm ± 3dB 5dBm ± 5dB E-GSM900 (8-PSK) 27dBm ±...

  • Page 52: Bt Main Rf Characteristics

    Smart Machine Smart Decision 6.13 BT Main RF Characteristics Table 39: BT Main RF Characteristics Output performance 2DH5 3DH5 Output power Receiving performance Receiving sensitivity 2DH5 3DH5 6.14 GNSS Main RF Characteristics Table 40: GNSS Main RF Characteristics Receiver type GPS,GLANOSS,BEIDOU 39dB/Hz@-130dBm Tracking &...
  • Page 53 Smart Machine Smart Decision Contact us: Shanghai SIMCom Wireless Solutions Limited. Address: Building B, No.633 Jinzhong Road, Changning District, Shanghai P.R.China 200335 Tel: +86 21 3157 5100\3157 5200 Email: simcom@simcom.com Website: www.simcom.com SIM5800_Hardware Design_V1.01 2018-10-08...

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