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Seco SBC-C31, User Manual

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SBC-C31

 

SBC-C31 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: A.R. - Reviewed by D.T. - Copyright © 2021 SECO S.p.A.  

20 

2.4

 

Mechanical specifications 

According to 3.5

”

 form factor, board dimensions are: 146 x 101.6 mm (5.75

”

 x 4.02

”

). 

The printed circuit of the board is made of twelve layers, some of them are ground planes, for disturbance rejection. 

 

Summary of Contents for SBC-C31

Page 1: ...SBC C31 Single Board Computer with Rockchip RK3399 SoC on 3 5 form factor...

Page 2: ...e accuracy of this manual However SECO S p A accepts no responsibility for any inaccuracies errors or omissions herein SECO S p A reserves the right to change precise specifications without prior noti...

Page 3: ...ons 12 OVERVIEW 13 2 1 Introduction 14 2 2 Technical specifications 15 2 3 Electrical specifications 16 2 3 1 RTC Battery 16 2 3 2 Power rails 17 2 3 3 Power consumption 18 2 4 Mechanical specificatio...

Page 4: ...Connectors 33 3 3 9 microSD Card Slot 34 3 3 10 Audio interface 34 3 3 11 I2C T S Connector 35 3 3 12 CAN Connectors 35 3 3 13 I O Connectors 36 3 3 14 LED Driver Connector 38 3 3 15 Serial Ports Con...

Page 5: ...1 0 Last Edition 1 0 Author A R Reviewed by D T Copyright 2021 SECO S p A 5 Warranty Information and assistance RMA number request Safety Electrostatic discharges RoHS compliance Safety Policy Termino...

Page 6: ...authorization number must be put both on the packaging and on the documents shipped with the items which must include all the accessories in their original packaging with no signs of damage to or tamp...

Page 7: ...e it is possible to send the faulty product to the SECO Repair Centre In this case follow this procedure o Returned items must be accompanied by a RMA Number Items sent without the RMA number will be...

Page 8: ...ing RoHS compliant components and is manufactured on a lead free production line It is therefore fully RoHS compliant Always switch the power off and unplug the power supply unit before handling the b...

Page 9: ...quirements used along with CPU Heatspreader heatsinks designed according to the thermal characteristics indicated in the par 2 2 and to the mechanical characteristics indicated in par 2 4 The board in...

Page 10: ...tal displays FFC FPC Flexible Flat Cable Flat Panel Cable GBE Gigabit Ethernet Gbps Gigabits per second GND Ground GPI O General purpose Input Output GPU Graphics Processing Unit HDMI High Definition...

Page 11: ...d interface between the Ethernet Media Access Control MAC and the Physical Layer PHY SD Secure Digital a memory card type SIM Subscriber Identity Module a card which stores all data of the owner neces...

Page 12: ...ocs en user guide UM10204 pdf I2S https www sparkfun com datasheets BreakoutBoards I2SBUS pdf LVDS https www ti com lit an snla165 snla165 pdf and https www ti com lit ug snla187 snla187 pdf MMC eMMC...

Page 13: ...31 User Manual Rev First Edition 1 0 Last Edition 1 0 Author A R Reviewed by D T Copyright 2021 SECO S p A 13 Introduction Technical specifications Electrical specifications Mechanical specifications...

Page 14: ...eiver allows the implementation of a Gigabit Ethernet interface Another additional GbE interface optional is possible using an Intel I210 Gigabit Ethernet controller managed through the processor s PC...

Page 15: ...Host ports on internal pin header Audio Optional I2S Audio Codec w TRSS Jack MicIn Lineout Serial ports 1x Debug UART Up to 2x RS 232 factory options Up to 2x RS 485 factory options Up to 2x CAN port...

Page 16: ...battery is not rechargeable and can be connected to the board using dedicated connector CN15 which is a 2 pin p1 27 mm type MOLEX p n 53261 0271 or equivalent with pinout shown in the table on the le...

Page 17: ...l immediately available when VIN voltage is applied 5V_ALW 5V power rail directly generated from VIN power rail immediately available when VIN voltage is applied 3V3_ALW 3 3V power rail directly gener...

Page 18: ...SPI Flash on board Audio Codec Linux OS Extended Temperature range eDP panel type BOE connected Configuration 2 Processor Rockchip RK3399 RAM 4GB LPDDR4 Storage 64GB eMMC Video Interface HDMI LVDS eD...

Page 19: ...iguration 1 Configuration 2 Configuration 3 Average Value 30s Peak Value Average Value 30s Peak Value Average Value 30s Peak Value Idle same for all configurations 2 09W 0 11A 2 28W 0 12A 2 09W 0 11A...

Page 20: ...r A R Reviewed by D T Copyright 2021 SECO S p A 20 2 4 Mechanical specifications According to 3 5 form factor board dimensions are 146 x 101 6 mm 5 75 x 4 02 The printed circuit of the board is made o...

Page 21: ...C USB Hub Ultra Low power RTC RK3399 UART 2 USB DS 3 USB DS 1 2 USB 2 0 Host 0 SPI 1 I2C 5 RGMII I2C 4 PCI e I2S 0 D PHY RX0 RX1 I2C 7 SDMMC 0 SDIO eDP DSI0 miniSIM Slot USB Type C HDMI LPDDR4 Memory...

Page 22: ...SBC C31 SBC C31 User Manual Rev First Edition 1 0 Last Edition 1 0 Author A R Reviewed by D T Copyright 2021 SECO S p A 22 Introduction Connectors overview Connectors description...

Page 23: ...ed the appearance of the board could be different from the following pictures GbE 0 Maskrom Key USB 2 0 Dual Type A USB 3 0 Type A USB 3 0 Type C I2C Touch Connector LED Driver Connector eDP Connector...

Page 24: ...N8 Dual USB 2 0 pin header CN40 LVDS Connector CN9 USB 3 0 Type C Connector CN46 LED Driver Connector CN10 USB 3 0 Type A Connector CN50 I2C Touch Connector CN11 HMDI Connector CN51 I O Connector 1 CN...

Page 25: ...patibility issues especially when the length of the cable is significant On the connectors there are also two bicolor Green Yellow LEDs for each port Left LED shows 10 100 or 1000 connection green mea...

Page 26: ...U FL connector CN23 for Diversity Antenna As a further option the modem can be paired to the microSIM slot CN19 or to the eSIM onboard Boards equipped with the microSIM slot offer a socket type MOLEX...

Page 27: ...s reset and interrupt request signals When building a cable for connection of LVDS displays please take care of twist as tight as possible differential pairs signal wires in order to reduce EMI interf...

Page 28: ...l up resistor It is managed by the processor s I2C controller 5 TOUCH_RST 3 3V_RUN electrical level output active high signal with a 10k pull down resistor This signal can be used to drive a reset of...

Page 29: ...erential data pair 0 eDP_ML3P eDP_ML1N embedded DP differential data pair 1 eDP_ML3P eDP_ML2N embedded DP differential data pair 2 eDP_ML3P eDP_ML3N embedded DP differential data pair 3 eDP_AUX_P eDP_...

Page 30: ...l electrical level 5VHDMI with a 1k8 pull up resistor SCL DDC Clock line for HDMI panel Bidirectional signal electrical level 5VHDMI with a 1k8 pull up resistor CEC HDMI Consumer Electronics Control C...

Page 31: ...al on Row A and B is included only to provide a flippable connector Signal description of this port USBC0_SSTXx USBC0_SSTXx USB Super Speed Port 0 transmit signal differential pair USBC0_SSRXx USBC0_S...

Page 32: ...ports on a standard dual Type A socket an additional port on internal header and an USB2 0 port used to manage an USB to serial bridge used to implement 2x additional UARTs On the internal USB pin hea...

Page 33: ...differential data pair 0 CSI_P1_DP1 CSI_P1_DN1 MIPI CSI1 Port differential data pair 1 CSI_P1_DP2 CSI_P1_DN2 MIPI CSI1 Port differential data pair 2 CSI_P1_DP3 CSI_P1_DN3 MIPI CSI1 Port differential d...

Page 34: ...D_CD_B Card Detect Input indicating when a SDIO MMC card is present SD_CLK SD Clock Line output SD_CMD Command Response bidirectional line used for card initialization and for command transfers SD_DAT...

Page 35: ...0 part B The transceiver used is designed for high speed up to 1Mbps CAN applications and also offers improved EMC and ESD performances CAN Bus Connectors are 3 pin single line SMT connectors type MOL...

Page 36: ...s I2C controller 1 I2C_SCL_EXT_3V3 External I2C Bus clock line Bidirectional signal electrical level 3V3_OUT with a 1K5 pull up resistor It is managed by the processor s I2C controller 1 PWM0_3V3 Puls...

Page 37: ..._RX COM Port 4 RS 232 Mode Receive data RS232_2_TX COM Port 4 RS 232 Mode Transmit data RS232_2_RTS COM Port 4 RS 232 Mode Request to Send handshaking signal RS232_2_CTS COM Port 4 RS 232 Mode Clear T...

Page 38: ...ng connector MOLEX 51021 0400 receptacle with MOLEX 50079 8000 female crimp terminals A53_DUART_TX UART port 2 Transmit signal 3 3V_ALW electrical level A53_DUART_RX UART port 2 Receive signal 3 3V_AL...

Page 39: ...on with external devices 3 3 18 RECOVERY MODE connectors Two connectors on board can be used to enter in recovery mode firmware download mode Both connectors are 2 pin pitch 1mm type Joint Tech P N A1...

Page 40: ...SBC C31 SBC C31 User Manual Rev First Edition 1 0 Last Edition 1 0 Author A R Reviewed by D T Copyright 2021 SECO S p A 40 Thermal Design...

Page 41: ...s heat pipes and so on When using SBC C31 boards it is necessary to consider carefully the heat generated by the module in the assembled final system and the scenario of utilization Until the board is...

Page 42: ...BC C31 User Manual Rev First Edition 1 0 Last Edition 1 0 Author A R Reviewed by D T Copyright 2021 SECO S p A 42 SECO S p A Via A Grandi 20 52100 Arezzo ITALY Ph 39 0575 26979 Fax 39 0575 350210 www...

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