Skip to main content

Zest_Sensor_Camera

Overview

The Zest_Sensor_Camera is an electronics development board for 6TRON open source platform. It is based on TD next TD5640-HBLB camera module built around OmniVision * OV5640* image sensor.

The OV5640 image sensor specifications are as follows:

  • Low voltage operation

  • High-performance 5 megapixels camera.

  • Full-frames, sub-sampled, windowed or arbitrarily scaled 8-10 bits images in various formats.

  • Image sensor can be configured through a Serial Camera Control Bus (SCCB) interface (I²C)

  • Includes an embedded microcontroller which can be combined with a programmable general purpose I/O module (GPIO).

  • Image sensor allows to capture images in VGA, QVGA, CIF, QCIF and QQVGA formats, compressed in JPEG while operating at up to 30 frames per second (fps).

The board also includes two solutions of single LED flashes and an analog light sensor. It supports the Digital Video Port (DVP) standard that is fully compatible with ST DCMI parallel port interface.

The Zest_Sensor_Camera offers 6TRON users a camera module suitable for streaming video or snapping static images for security cameras or other applications that do not require large video files.

Specifications

TD5640-HBLB :

  • OmniVision 1/4” OV5640 CMOS QSXGA (5 megapixels) sensor
  • Standard output formats: raw RGB, RGB565/555/444, CCIR656, YUV522/420, YCbCr422 and JPEG
  • Support for video or snapshot operations
  • Support for LED and flash strobe mode
  • 1.4 μm × 1.4 μm pixel with OmniBSI technology
  • Integrated NIR filter
  • Maximum image transfer rate:
    • SXGA (2592 × 1944): 15 fps
    • 1080p: 30 fps
    • 1280 × 960: 45 fps
    • 720p: 60 fps
  • SCCB serial interface
FeatureDetails
LED flash optionsFlash driver topologies depending on power supply voltage: 2V-4.2V: boost LED driver 3.3V-12 V: buck LED driver Output current is set to 200mA through a sense resistor The LEDs are OSRAM OSLON SSL 80 series (GW CS8PM1.EM-LQLS-XX55-1), 4000 K Power switch with independent control to save power
Analog light sensorOSRAM SFH3711 phototransistor Amplified output current (gain: 35000) Gain can be adjusted through non-inverting amplifier resistors
Connectivity80-pin 6TRON header 30-pin Hirose header for camera flex interconnect
Board size80 x 39 mm
Power Supply3.3 to 12V from stack
CategoryZest_Sensor

Block Diagram

The graphics below gives an overview of the board features and connections.

Zest_Sensor_Camera

80-pin 6TRON header

This table shows how the pinout on Zest_Sensor_Camera corresponds to the pinout on the 6TRON BUS connector (the latter shown in the two middle columns).

Description6TRON functionPin numberPin number6TRON functionDescription
-VJACK12VJACK-
-VJACK34VJACK-
-VHV56VHV-
-VHV78VHV-
CAM_PWDNDIO8910VIN_EN-
DCMI_PIXCLKDIO71112DIO9DCMI_HSYNC
-DIO61314DIO10PWDN
-MD1516DIO11FLASH
RCC MCODIO51718DIO12DCMI_VSYNC
GroundGND1920GNDGround
GroundGND2122GNDGround
6TRON Stack Power SupplyVIN2324VIN6TRON Stack Power Supply
6TRON Stack Power SupplyVIN2526VIN6TRON Stack Power Supply
-VB_EN2728DIO13DCMI_D0_I
-VB_OUT2930DIO14DCMI_D1_I
-DAC13132DIO15DCMI_D2_I
VLIGHTADC43334DIO16DCMI_D3_I
-ADC33536DIO17DCMI_D4_I
-ADC23738DIO18DCMI_D5_I
-ADC13940GNDGround
Global ResetEXT_NRST4142GNDGround
-DIO44344VREF-
-DIO34546DIO19DCMI_D6_I
FPW_ENDIO24748DIO20DCMI_D7_I
-DIO14950DIO21-
System wake-upWKUP5152DIO22-
VLIGHT (alternate)ICAPT5354DIO23-
-PWM35556DIO24-
-PWM25758DIO25-
-PWM15960DIO26-
-SPI1_SS6162DIO27-
-SPI1_SCK6364DIO28-
-SPI1_MISO6566DIO29-
-SPI1_MOSI6768DIO30-
-UART1_TX6970DIO31-
-UART1_RX7172DIO32-
I2C DataI2C1_SDA7374DIO33-
I2C ClockI2C1_SCL7576DIO34-
-CAN1_TX7778DIO35-
FPW_EN (alternate)CAN1_RX7980DIO36-

Software Support

The Zest_Sensor_Camera provides a demo example developed using Mbed OS. The board can run on Zest Core development boards.

Environmental impact

The Eco score of the Zest_Sensor_Camera is expressed in points representing the environmental impact of an average European per year.

Zest_Sensor_Camera

Zest_Sensor_Camera

Eco-score details

BOM

Componentdataunit
Passive electronic component0,034g
Active electronic component0,0085g
LED0,21g
Components(average)0,0116g
Connectors Switchs3,144g
Logique type integrated circuit0,3685g
Memory type integrated circuit0g
PCB840mm²

Consumption

Low voltage electricity voltage France
Current20mA
Supply voltage5V
Autonomy100h
% use75%
Power0,0075kWh

Ressources