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4.3

GNSSAntenna

The following describes GNSS related information.

Table30GNSS antenna interface definition

Pin No.

Pin Name

I/O

Description

Note

121

ANT_GNSS

GNSSantenna interface

4.3.1

Operating band

Table31GNSS operating band

Mode

Frequency

Unit

GPS

1575.42±1.023

MHz

GLONASS

1597.42-1605.8

MHz

BeiDou

1561.098±2.046

MHz

4.3.2

Reference design

4.3.2 Reference design

The SC806 has a built-in LNA. The passive antenna is used in the design of the device.

Microstriptrace is recommended for the GNSS RF route, with insertion loss within 0.2dB, and impedance at 50

ohms.
The connection reference design is shown as follows:

Содержание SC806

Страница 1: ...SC806 Hardware User Manual Version V2 0 0 Update date April 27 2018...

Страница 2: ...19 2017 1 Modify SD card power L12 description 2 Modify the PMU_GPIO voltage description 3 Modify the LED charging indicator pin description 4 Modify motor drive pin description 5 Modify the mandatory...

Страница 3: ...n radiate radio frequency energy and if not installed and used in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interferenc...

Страница 4: ...r end product for any additional compliance requirements required with this module installed Host manufacturer is responsible for ensuring that the host continues to be compliant with the Part 15 subp...

Страница 5: ...RF module in the user s manual of the end product which integrates this module The end user manual shall include all required regulatory information warning as show in this manual Trademark The trade...

Страница 6: ...Overview 13 2 1 Description 13 2 2 Main Performance 13 2 3 Hardware Diagram 15 3 Application Interface 16 3 1 LCC LGA Interface 16 3 1 1 Pin Distribution 17 3 1 2 Pin Definition 17 3 2 Power 26 3 2 1...

Страница 7: ...1 Audio interface definition 44 4 Antenna Interface 45 4 1 MAIN DRX Antenna 45 4 1 1 Operating bands 45 4 1 2 Reference Design 46 4 2 WIFI BT Antenna 47 4 2 1 Operating band 47 4 2 2 Reference design...

Страница 8: ...y 58 9 6 Electrostatic Protection 58 10 Structural specification 59 10 1 Product appearance 59 10 2 Structural Dimension 60 10 3 Recommended PCB Welding Plate Design 61 10 4 SMT Patch 61 10 5 Storage...

Страница 9: ...e pin definition 34 Table 18 USIM pin definition 34 Table 19 SDIO pin definition 36 Table 20 GPIO list 37 Table 21 I2C pin definition 38 Table 22 ADC pin definition 39 Table 23 Motor pin definition 39...

Страница 10: ...information 54 Table 41 BT performance parameters 54 Table 42 GNSS positioning performance 55 Table 43 Recommended parameters 55 Table 44 Charge parameters 56 Table 45 Operating current 56 Table 46 M...

Страница 11: ...own Time Slot 32 Figure 10 USB Interface Circuit Diagram 33 Figure 11 USIM Card Interface Circuit Diagram 35 Figure 12 MAIN DRX Antenna Connection 46 Figure 13 WIFI BT Antenna Connection 47 Figure 14...

Страница 12: ...and reception FDD Part 1 Conformance specification 3GPP TS 34 122 V10 1 0 Technical Specification Group Radio Access Network Radio transmission and reception TDD 3GPP TS 36 521 1 V10 6 0 User Equipme...

Страница 13: ...le supports multiple formats and frequency bands The corresponding standard and frequency band are as follows Table1SC806 AM 00 Supported band Mode Band WCDMA Band 2 4 5 FDD LTE Band2 4 5 12 13 17 WIF...

Страница 14: ...link rate3 1Mbps TD SCDMAcharacteristics Support CCSA Release 4 Maximum uplink rate 2 2Mbps maximum downlink rate 4 2Mbps LTEcharacteristics Support FDD TDD CAT4 Support 1 4 20MRF bandwidth Downlink s...

Страница 15: ...bps for TP Camera Sensor and other peripherals ADCinterface 3 sets for input voltage detection battery temperature detection and universal ADC Real time clock Support Antennainterface MAIN antenna DRX...

Страница 16: ...hout approval SC806Hardware User ManualPage16 of 70 USIM card interface MIPI DSI interface MIPI CSI interface Analog audio interface Figure1Hardware Block Diagram 3 Application Interface 3 1 LCC LGAIn...

Страница 17: ...approval SC806Hardware User ManualPage17 of 70 3 1 1Pin Distribution Figure2Pin Distribution TOP perspective Note The pin NC stands for No connect ie the pin for this position is a reserved pin and d...

Страница 18: ...voltage range 3 3 4 5V recommend 3 8V VBAT_RF 145 146 PI RF power input Voltage range 3 3 4 5V recommend 3 8V VDD_1V8_L5 111 PO 1 8Vvoltage output Drive current200mA VDD_1V8_L6 125 PO 1 8V voltage ou...

Страница 19: ...n Note BATT_CON_TEMP 134 AI Battery temperature detection pin NTC resistor connected to battery VBAT_ SNS 133 AI Battery voltage detection pin BATT_ID 194 AI Battery position detection CHARGE_SEL 127...

Страница 20: ...3 DO SIM card 1 reset signal USIM1_ DET 22 DI SIM card 1 plug detection pin Fixed level when not in use USIM2_DIO 20 I O SIM card 2 data signal USIM2_CLK 19 DO SIM card 2 clock signal USIM2_RST 18 DO...

Страница 21: ...I O I2C clock Default camera use I2C_SDA_CAM 84 I O I2C data trace Default camera use USBinterface Pin Name Pin No I O Pin Description Note VBUS_5V 141 142 PI Device mode 5V input USB_DM 13 I O USB s...

Страница 22: ...M 58 AI AO MIPI_LCD_D1_P 57 AI AO MIPI_LCD_D1_M 56 AI AO MIPI_LCD_D0_P 55 AI AO MIPI_LCD_D0_M 54 AI AO LCD_TE 50 DI LCD refresh synchronization signal Floating when not in use LCD_RST_N 49 DO LCD rese...

Страница 23: ...xiliary camera MIPI differential data signal MIPI_CAM1_D0_M 72 AI AO CAM1_CLK 75 DO Auxiliary camera main clock signal CAM1_RST_N 81 DO Auxiliary camera reset signal CAM1_PD_N 82 DO Auxiliary camera s...

Страница 24: ...nterface Pin Name Pin No I O Pin Description Note ANT_MAIN 87 I O 2G 3G 4G main antenna ANT_DRX 131 AI Diversity receiving antenna ANT_BT WIFI 77 I O WIFI BTantenna ANT_GNSS 121 AI GNSS antenna Module...

Страница 25: ...O BH PD nppukp GPIO_23 33 I O BH PD nppukp GPIO_31 97 I O B PD nppukp GPIO_32 90 I O B PD nppukp GPIO_36 108 I O B PD nppukp GPIO_58 112 I O B PD nppukp GPIO_65 109 I O B PD nppukp GPIO_68 102 I O B P...

Страница 26: ...an external power two VBAT_RF pins are used for the RF power supply of the module and two other VBAT_BB pins are used for baseband power supply of the module The power input range is from 3 3V to 4 5V...

Страница 27: ...ation Description 220uF x 2 Regulating capacitor Reduce power fluctuations during module operation requiring low ESR capacitor LDO or DCDC power requires not less than 440uF capacitor Battery power ca...

Страница 28: ...stor default is 47K 1 B 4050 NTC and the battery temperature detection pin is connected to the BATT_CON_TEMP pin PIN 134 SC806 has built in linear charge management circuit that supports the charge of...

Страница 29: ...1 3 2 V VRTC input voltage clock normal 2 0 3 0 3 25 V VRTC input current clock normal 5 10 uA VRTC as RTC clock backup power reference design circuit is shown as follows Figure 5VRTC Reference Desig...

Страница 30: ...control signal to startup shutdown restart and sleep wakeup the module Table9startup shutdown pin definition 3 3 1Module Startup After VBAT is powered on the module can be turned on by setting the KE...

Страница 31: ...Circuit Startup Startup time slot is shown as follows Figure 8Startup Time Slot 3 3 2Module Shutdown and Restart After the SC806 is powered on set the low KEY_ON OFF signal to more than 500ms the dis...

Страница 32: ...dule PMIC When the system crashes or other abnormalities occur the low KEY_RST_N signal is greater than 300ms and the system will be forced to restart 3 4 USBInterface The SC806 supports one USB 2 0 i...

Страница 33: ...ut 5V DC internally and 5V DC is required when USB is used as HOST 2 ESD protection device for USB_DP DM requires junction capacitance less than 1pF 3 USB_DP and USB_DM are high speed differential sig...

Страница 34: ...e 34 UART2_TX DO UART2 data transmission 35 UART2_RX DI UART2 data reception 36 UART2_CTS DI UART2 clear transmission 37 UART2_RTS DO UART2 request transmission 94 UART1_TX DO UART1 data transmission...

Страница 35: ...pin 21 VDD_ USIM2_L15 PO USIM2 power supply 1 8V 2 95V The USIM card interface reference circuit is as follows Figure 11USIM Card Interface Circuit Diagram Note 1 The length of the SC806 to the SIM ca...

Страница 36: ...3 SD_D2 I O SD card data interface 42 SD_D1 I O SD card data interface 41 SD_D0 I O SD card data interface 39 SD_CLK DO SD card clock 40 SD_CMD I O SD card command interface 45 SD_DET DI SD card detec...

Страница 37: ...IO_8 B PD nppukp Yes No 118 GPIO_9 B PD nppukp Yes No 117 GPIO_10 B PD nppukp Yes No 116 GPIO_11 B PD nppukp Yes Yes 153 GPIO_14 B PD nppukp Yes No 197 GPIO_15 B PD nppukp Yes No 123 GPIO_16 B PD nppu...

Страница 38: ..._1 B PD nppukp Yes No 205 GPIO_2 B PD nppukp Yes No 203 GPIO_3 B PD nppukp Yes No Note B Bidirectional digital with CMOS input H High voltage tolerant NP pdpukp default no pull with programmable optio...

Страница 39: ...ADC Interface Table17ADC pin definition Pin No Pin Name I O Description Note 128 ADC AI ADC detection pin Input voltage range 0 1 4 5V 133 VBAT_ SNS AI Battery voltage detection pin 134 BATT_CON_TEMP...

Страница 40: ...TE DI LCD scan sync signal 52 MIPI_LCD_CLK_M AO LCD clock signal 53 MIPI_LCD_CLK_P AO LCD clock signal 61 MIPI_LCD_D3_P AI AO LCD Lane 3 60 MIPI_LCD_D3_M AI AO LCD Lane 3 59 MIPI_LCD_D2_P AI AO LCD La...

Страница 41: ...PI CSI0 is 2 Lane interface and supports up to 8M Camera MIPI CSI1 is 1 Lane interface and supports up to 5M Camera 3 14 1 Front camera The front camera uses 1 set MIPI_CSI differential signal and has...

Страница 42: ...n definition Pin No Pin Name I O Description Note 125 VDD_1V8_L6 PO Power output 1 8V 129 VDD_2V85_L17 PO Power output 2 85V 64 MIPI_CAM0_CLK_P AI Rear camera MIPI Clock Signal 63 MIPI_CAM0_CLK_M AI R...

Страница 43: ...3Module internal MIPI trace length Pin No Pin Name Length mm Length Error P N 53 MIPI_LCD_CLK_P 7 68 0 52 MIPI_LCD_CLK_M 7 68 61 MIPI_LCD_D3_P 9 05 0 57 60 MIPI_LCD_D3_M 8 48 59 MIPI_LCD_D2_P 7 72 0 0...

Страница 44: ...3 16 Audio 3 16 1 Audio interface definition SC806 supports analog audio interface 3 inputs 3 outputs and does not support digital audio Table25Audio interface definition Pin No Pin Name I O Descripti...

Страница 45: ...nd improve audio quality The following approaches are recommended Keep audio PCB route away from the antenna and high frequency digital signal Reserve LC filter circuit in audio circuit to prevent EMC...

Страница 46: ...34 746 4 1 2Reference Design For use of the SC806 the antenna pin and the RF connector or antenna feed point on the main board should be connected via an RF trace Microstrip trace is recommended for R...

Страница 47: ...route with insertion loss within 0 2dB and impedance at 50 ohms Table28WIFI BT antenna interface definition Pin No Pin Name I O Description Note 77 ANT_BT WIFI I O WIFI BTantenna interface 4 2 1Operat...

Страница 48: ...scription Note 121 ANT_GNSS AI GNSSantenna interface 4 3 1Operating band Table31GNSS operating band Mode Frequency Unit GPS 1575 42 1 023 MHz GLONASS 1597 42 1605 8 MHz BeiDou 1561 098 2 046 MHz 4 3 2...

Страница 49: ...2Module antenna requirement SC806Module antenna requirement Standard Antenna requirements GSM WCDMA CDMA TDSCDMA LTE VSWR 2 Gain dBi 1 Max input power W 50 Input impedance 50 Polarization type vertica...

Страница 50: ...acteristic impedance of all RF signal traces should be at 50 In general the impedance of the RF signal trace is determined by the dielectric constant of the material the trace width W the ground clear...

Страница 51: ...er PCB Coplanar Waveguide Structure reference ground layer3 Figure 18Four layer PCB Coplanar Waveguide Structure reference ground layer4 In the design of RF antenna interface circuit in order to ensur...

Страница 52: ...dding a certain amount of ground holes around the signal and the reference ground can help improve the RF performance the distance between the ground hole and the signal trace should be at least 2 tim...

Страница 53: ...Date Rate Bandwidth M HZ Sensitivity dBm IEEE Spec dBm Note 2 4G 802 11b 1Mbps 20 91 0 80 PER 8 11Mbps 20 90 0 76 PER 8 802 11g 6Mbps 20 92 0 82 PER 10 54Mbps 20 74 0 65 PER 10 802 11n MCS0 20 90 0 8...

Страница 54: ...ANT protocol Support for BT WLAN coexistence operation including optional concurrent receive Up to 3 5 piconets master slave and page scanning Table35BT rate and version information Version Date Rate...

Страница 55: ...can effectively improve the sensitivity of GNSS 8 1 2Performance parameters Table37GNSS positioning performance Parameter Description Result Unit Sensitivity Acquisition 146 dBm Tracking 158 dBm C No...

Страница 56: ...ge 18 75mV Stepping 3 0 3 2 3 581 V Charge voltage setting range 25mV stepping 4 4 2 4 775 V Charge voltage accuracy 2 Charge current setting range 90mA stepping 90 1440 mA Charge current accuracy 10...

Страница 57: ...urrent Band2 max power 10MHz 1RB 641 mA mA mA Band4 max power 10MHz 1RB 615 Band5 max power 10MHz 1RB 557 Band12 max power 10MHz 1RB 618 Band13 max power 10MHz 1RB 629 Band17 max power 10MHz 1RB 622 9...

Страница 58: ...uency band of the SC806 module is shown in the following table Table42Module RF receiver sensitivity Mode Band Primary Diversity PRX Div 3GPP Requirement Unit WCDMA Band II 110 NA NA 104 7 dBm Band IV...

Страница 59: ...product design ESD protection measures should be taken For example anti static protection should be added at the interface of the circuit design and at the points susceptible to electrostatic discharg...

Страница 60: ...Fibocom Wireless Inc and the document shall not be replicated without approval SC806Hardware User ManualPage60 of 70 10 2 Structural Dimension The structural dimension of the SC806 module is shown in...

Страница 61: ...1Recommended PCB Welding Plate Design Unit mm 10 4 SMT Patch For module steel net design please refer to SMT Application Design Instructions for the solder paste and furnace temperature control 10 5 S...

Страница 62: ...aging SC806module adopts tray sealed vacuum packaging combined with the outer packaging method using the hard carton box so that the storage transportation and the usage of modules can be protected to...

Страница 63: ...The copyright of this document is owned by Fibocom Wireless Inc and the document shall not be replicated without approval SC806Hardware User ManualPage63 of 70 Figure 22Tray Packaging...

Страница 64: ...s owned by Fibocom Wireless Inc and the document shall not be replicated without approval SC806Hardware User ManualPage64 of 70 10 6 2 Tray dimension The tray dimension is 315 170 6 5mm as shown in th...

Страница 65: ...ion EGSM Extended GSM900 Band FDD Frequency Division Duplexing GMSK Gaussian Minimum Shift Keying GSM Global System for Mobile Communications HSDPA High Speed Down Link Packet Access IMEI Internationa...

Страница 66: ...Access TE Terminal Equipment TX Transmitting Direction TDD Time Division Duplexing UART Universal Asynchronous Receiver Transmitter UMTS Universal Mobile Telecommunications System URC Unsolicited Res...

Страница 67: ...f 70 VImax Absolute Maximum Input Voltage Value VImin Absolute Minimum Input Voltage Value VOHmax Maximum Output High Level Voltage Value VOHmin Minimum Output High Level Voltage Value VOLmax Maximum...

Страница 68: ...User ManualPage68 of 70 12 Appendix B GPRS Encoding Scheme Table44GPRS encoding scheme Encoding method CS 1 CS 2 CS 3 CS 4 Rate 1 2 2 3 3 4 1 USF 3 3 3 3 Pre coded USF 3 6 6 12 Radio Block excl USF an...

Страница 69: ...imum rate of uplink and downlink The expression is 3 1 or 2 2 the first number indicates the number of downlink timeslots and the second number indicates the number of uplink timeslots Active timeslot...

Страница 70: ...ot CS 1 GMSK 9 05kbps 18 1kbps 36 2kbps CS 2 GMSK 13 4kbps 26 8kbps 53 6kbps CS 3 GMSK 15 6kbps 31 2kbps 62 4kbps CS 4 GMSK 21 4kbps 42 8kbps 85 6kbps MCS 1 GMSK C 8 80kbps 17 6kbps 35 2kbps MCS 2 GMS...

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