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SBC-D23

SBC-D23 User Manual - Rev. First Edition: 1.0 - Last Edition: 1.0 - Author: S.B. - Reviewed by P.Z. - Copyright © 2021 SECO S.p.A.

20

2.4

Mechanical specifications

According to 3.5

”

form factor, board dimensions are: 147 x 101.6 mm (5.79

”

x 4.0

”

).

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

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Summary of Contents for SBC-D23

Page 1: ...SBC D23 Single Board Computer with the Rockchip PX30 SoC on 3 5 form factor...

Page 2: ...acy 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 notice to s...

Page 3: ...specifications 12 OVERVIEW 13 2 1 Introduction 14 2 2 Technical specifications 15 2 3 Electrical specifications 16 2 3 1 UPS By pass connector 16 2 3 2 RTC Battery 17 2 3 3 Power rails 18 2 3 4 Power...

Page 4: ...HDMI connector 32 3 3 10 Optional MIPI CSI2 Connector 33 3 3 11 USB Connectors 34 3 3 12 Audio Connectors 36 3 3 13 Serial Ports Connectors 37 3 3 14 CAN Connectors 38 3 3 15 RS 485 Connector 39 3 3 1...

Page 5: ...1 0 Last Edition 1 0 Author S B Reviewed by P Z 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: ...ents 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 and wait that the board has already cooled dow...

Page 9: ...igned according to the thermal characteristics indicated in the par 2 2 and to the mechanical characteristics indicated in par 2 4 The board in its enclosure must be evaluated for temperature and airf...

Page 10: ...y LVDS Low Voltage Differential Signaling a standard for transferring data at very high speed using inexpensive twisted pair copper cables usually used for video applications Mbps Megabits per second...

Page 11: ...ssing to mobile communication networks SM Bus System Management Bus a subset of the I2C bus dedicated to communication with devices for system management like a smart battery and other power supply re...

Page 12: ...com docs 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...

Page 13: ...23 User Manual Rev First Edition 1 0 Last Edition 1 0 Author S B Reviewed by P Z Copyright 2021 SECO S p A 13 Introduction Technical specifications Electrical specifications Mechanical specifications...

Page 14: ...erface The networking capabilities of this module can be extended through an M 2 Socket 1 Key E slot with UART SDIO interface which allows plugging accessory WiFi BT M 2 modules An additional miniPCI...

Page 15: ...r with stereo out available on internal connector factory alternatives Buzzer on board Serial ports 1x TTL or RS 232 port factory alternative 1x Debug UART 1x TTL or RS 232 port factory alternatives t...

Page 16: ...terminal UPS_BYPASS UPS power rail enable signal Used to switch between the power rail coming from the external UPS Module and the standard VIN Power Supply Electrical level 12V_ALW with 100 up resis...

Page 17: ...type Always check the orientation before inserting and make sure that they are aligned correctly and are not damaged or leaking Never allow the batteries to become short circuited during handling Batt...

Page 18: ...enerated by the on board PMIC from 5V_STBY power rail 3P3V_RUN main 3 3VDC power rail generated by the on board PMIC from 5V_STBY power rail 3P3V_SW main 3 3VDC power rail generated by the on board PM...

Page 19: ...er Analyzer Keysight For measurement the following configuration has been considered Processor PX30 Commercial temperature range RAM 2GB DDR3L Storage 4GB eMMC Video Interface LVDS HDMI Networking 1x...

Page 20: ...hor S B Reviewed by P Z Copyright 2021 SECO S p A 20 2 4 Mechanical specifications According to 3 5 form factor board dimensions are 147 x 101 6 mm 5 79 x 4 0 The printed circuit of the board is made...

Page 21: ...I0 USB_HOST RMII MIPI CSI I2S UART1 PWM1 I2C2 T S connector RS 232 Transceiver UART 0 eMMC eMMC HDMI RGB to HDMI bridge RGB miniPCI e Slot microSIM Slot USB TRRS PMIC Audio Codec Mic In Headphone LED...

Page 22: ...SBC D23 SBC D23 User Manual Rev First Edition 1 0 Last Edition 1 0 Author S B Reviewed by P Z Copyright 2021 SECO S p A 22 Introduction Connectors overview Connector description...

Page 23: ...board could be different from the following pictures 16x GPO connector LVDS I2C T S RS 232 UART A 10 100 Ethernet USB Type A USB recovery STM32 Programming STM32 Dual 4 Wire USART USB T S header M 2 K...

Page 24: ...nector CN9 LVDS I2C T S Connector CN39 STM32 SPI Connector CN13 USB T S connector CN42 RS 232 UART A connector CN14 HDMI Connector CN43 RS 232 UART B connector CN15 M 2 Key E Slot CN44 Power In connec...

Page 25: ...ith Fast Ethernet 10 100Mbps Networks When connected to Gigabit Ethernet Networks the speed will be limited to 100Mbps For the connection cables category Cat5e or better are required Cables category C...

Page 26: ...upports M 2 Socket 1 Key E modules using SDIO and UART interfaces it e and or USB interfaces Here following the description of the signals available on this slot SDIO_CLK PX30 SDIO interface Clock Lin...

Page 27: ...available on D23 board specific for M 2 Key E Slot functionalities UART_WAKE UART Sideband Wake Signal Input used to wake up the platform UART_RXD PX30 UART port 1 Receive signal 1P8V_VDD electrical...

Page 28: ...Signal managed on the SBC D23 board by one GPIO of the on board I O Expanders Electrical level 3P3V_SW USBHUB_P1 USBHUB_P1 USB Hub Downstream Port 1 differential pair UIM_RST Reset signal line sent fr...

Page 29: ...822541 1 or equivalent with the pinout shown in the table on the left Signal are described in the above paragraph The signals here available are described in the previous paragraph 3 3 5 microSD Slot...

Page 30: ...g 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 interferences Shielded cables are also recommended Here...

Page 31: ...h is a standard pin header P2 54mm 1x3 pin VCC_BKL_SW Backlight switched voltage rail Its value can be set to 5V_STBY or 12V_ALW by using dedicated jumper CN12 same type of CN10 Please be aware that w...

Page 32: ...allel RGB supporting up to 1920x1080 video resolution To make this interface suitable for the connection of common table top displays on SBC D23 board there is an NXP TDA19988 HDMI 1 4a transmitter Th...

Page 33: ...nd frame grabbing It is possible to access to the video input port through an FFC FPC connector type OMRON p n XF2M 1815 1A which is able to accept 18 poles 0 5mm pitch FFC cables CSI_PWDN Camera enab...

Page 34: ...orts The USB Downstream port 1 is carried to miniPCIe slot CN17 see par 3 3 3 The USB downstream port 2 is carried to connector CN8 which is a standard USB Type A socket shielded upright USB_D2 USB_D2...

Page 35: ...nnector MOLEX 51021 0400 receptacle with MOLEX 50079 8000 female crimp terminals STM32_USB_D1 STM32_USB_D1 STM32 USB Controlled Port 1 differential pair All USB ports voltages 5VUSBx and 5V_USB_EC are...

Page 36: ...speaker Positive Output SPKR_OUT Amplified speaker Negative Output As a factory option the SBC D23 board can be supplied with a TI TPA3110D2 Class D amplifier offering stereo speaker output on a Micr...

Page 37: ...receptacle with MOLEX 50079 8000 female crimp terminals UART Port 4 is managed as a factory alternative to microSD Slot i e boards having this port available either in RS 232 or in UART TTL mode will...

Page 38: ...ers also improved EMC and ESD performances The two CAN Bus Connectors are 4 pin Micro fit 2x2 connector type Molex 43045 0424 or equivalent as shown in the figure Mating connector MOLEX 43025 0400 or...

Page 39: ...there is also a dedicated 3 pin connector type 53398 0371 for the connection of external speakers earphones Mating connector MOLEX 51021 0300 receptacle with MOLEX 50079 8000 female crimp terminals S...

Page 40: ...crocontroller UART port 1 Transmit signal Connected to microcontroller in 4 EC_UART5_RX microcontroller UART p Two others Synchronous UARTs can be made available on dedicated connector J2 which is an...

Page 41: ...MOLEX 50079 8000 female crimp terminals I2C_OUT1_SDA microcontroller I2C port 1 Data Signal I2 These two I2C ports are made available on the CN33 connector through as many Dual I2C Bidirectional I2C...

Page 42: ...female crimp terminals EC_TIM1_CH1 microcontroller Advanced Timer 1 First Channel Output port E pin 9 EC_TIM1_CH1 microcontroller Advanced Timer 1 First Channel Complementary Output Connected to micr...

Page 43: ...GPIO_OUTA_2 GP Output Port A Out 2 Managed by GPIO_OUTA_3 GP Output Port A Out 3 Managed by GPIO_OUTA_4 GP Output Port A Out 4 Managed by GPIO_OUTA_5 GP Output Port A Out 5 Managed by B pin 0 GPIO_OUT...

Page 44: ...GP Input Port B Out 1 Managed by GPIO_INPUTB_2 GP Input Port B Out 2 Managed by GPIO_INPUTB_3 GP Input Port B Out 3 Managed by GPIO_INPUTB_4 GP Input Port B Out 4 Managed by GPIO_INPUTB_5 GP Input Por...

Page 45: ...Debug UART transmit signal only in case that corresponding STM32 signal is not used as I2C_OUT2_SCL signal on CN33 connector DBG_RXD microcontroller s Debug UART receive signal only in case that corr...

Page 46: ...coming from the external UPS Module and the standard VIN Power Supply Electrical level 12V_ALW with 100 up resistor UPS_PFO Generic Input It is managed on the SBC D23 board by I O Expander B Port 0 P...

Page 47: ...SBC D23 SBC D23 User Manual Rev First Edition 1 0 Last Edition 1 0 Author S B Reviewed by P Z Copyright 2021 SECO S p A 47 Thermal Design...

Page 48: ...fans heat pipes and so on When using SBC D23 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 boar...

Page 49: ...BC D23 User Manual Rev First Edition 1 0 Last Edition 1 0 Author S B Reviewed by P Z Copyright 2021 SECO S p A 49 SECO S p A Via A Grandi 20 52100 Arezzo ITALY Ph 39 0575 26979 Fax 39 0575 350210 www...

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