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Vega ARIES ALPHA Product Reference Manual

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Product Reference Manual
Description
The ARIES ALPHA v1.0 is a fully indigenous and a "Made in India" product to get
started with basic microprocessor programming and embedded systems. This board is built
upon a RISC-V ISA compliant VEGA Processor with easy-to-use hardware and software.
The VEGA SDK also provides full ecosystem with numerous examples and support
documentation. This board is designed and developed by Centre for Development of
Advanced Computing (C-DAC) as part of the Digital India RISC-V (DIR-V) Program, by the
Ministry of Electronics and Information Technology, Government of India.
Target areas/Applications
Low power IoT, Sensor fusion, Smart Meter, System supervisors, Remote sensors,
Wearable devices, Toy and electronic education equipment, Legacy 8/16-bit applications,
Industrial networking and many more...
Board overview
Controller
THEJAS32 SoC with VEGA ET1031 Microprocessor
© March, 2024 Centre for Development of Advanced Computing (C-DAC)
ARIES ALPHA
Page 1/12

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Summary of Contents for Vega ARIES ALPHA

  • Page 1 Product Reference Manual Description The ARIES ALPHA v1.0 is a fully indigenous and a “Made in India” product to get started with basic microprocessor programming and embedded systems. This board is built upon a RISC-V ISA compliant VEGA Processor with easy-to-use hardware and software.
  • Page 2 ARIES ALPHA Memory 2MB Flash 256KB RAM Peripherals PWM Pins: 8 nos Analog Input pins: 4 nos SPI: 3 nos (1x CAN &SD card Reader, 1x ETHERNET) UART: 2 nos : 2 nos GPIOs : 32 nos (15xGPIO, 3xRGB LED, 3x CAN, 2x ETHERNET, 2xSDcard Reader...
  • Page 3 ARIES ALPHA MCP2515T-I/ML Module (Stand-Alone CAN Controller with SPI Interface) Implements CAN V2.0B at 1 Mb/s: 0 to 8-byte length in the data field Standard and extended data and remote frames High-Speed SPI Interface (10 MHz): - SPI modes 0, 0 and 1, 1 Low-Power CMOS Technology Operates from 2.7V-5.5V...
  • Page 4 ARIES ALPHA The board communicates with the display using I2C interface. The board includes designated mounting holes for attaching the display. The below figure shows the mounting holes. Mounting hole for holding Oled Display Fig: Board mounting holes. © March, 2024 Centre for Development of Advanced Computing (C-DAC)

  • Page 5: Table Of Contents

    ARIES ALPHA CONTENTS 1. The Board 2. Handling the Board 2.1 Recommended Operating Conditions 2.2 Power Consumption 3. Functional Overview 3.1 Board Topology 3.2 Processor 3.3 THEJAS32 pinout 4. Board Operation 4.1 Getting Started 5. Block diagram 6. Connector Pinouts 6.1 Board Outline &...

  • Page 6: The Board

    The Board ARIES ALPHA v1.0 is a development platform based on THEJAS32 ASIC which operates at a frequency of 100MHz. THEJAS32 SoC includes VEGA ET1031 Microprocessor, 256KB internal SRAM, Three UARTs, Four SPIs, Three TIMERs, Eight PWMs, Three I2C interfaces, 32 GPIOs etc. This board contains everything needed to support standalone operation.

  • Page 7: Functional Overview

    The main controller is THEJAS32 SoC which operates at a frequency of 100MHz. The main controller is THEJAS32 SoC which operates at a frequency of 100MHz. It includes VEGA ET1031 Microprocessor, 256KB internal SRAM, Three It includes VEGA ET1031 Microprocessor, 256KB internal SRAM, Three It includes VEGA ET1031 Microprocessor, 256KB internal SRAM, Three UARTs, Four SPIs, Three TIMERs, Eight PWMs, Three I2C interface, 32 GPIOs.

  • Page 8: Thejas32 Pinout

    ARIES ALPHA 3.3 THEJAS32 Pinout Pin # Pin Name Pin Description GPIO1(3) General purpose IO. GPIO1(2) General purpose IO. PVSSIOC23 Ground reference for IO pins. Positive supply for IO pins. Connect to 3.3V PVDDIO23 supply. GPIO1(1) General purpose IO. GPIO1(0) General purpose IO.
  • Page 9 ARIES ALPHA PVDDC16 Positive supply for logic. Connect to 1.2V supply. PVSSC16 Ground reference for logic. JTAG TCK. Connect to GND through a 1K TJTAGTCK resistor JTAG TRST. Connect to GND through a 1K TJTAGTRST resistor Test mode select. Connect to GND through a 1K TSTMODE resistor.
  • Page 10 ARIES ALPHA GPIO0(13) General purpose IO. GPIO0(12) General purpose IO. GPIO0(11) General purpose IO. PVSSC11 Ground reference for logic. PVDDC11 Positive supply for logic. Connect to 1.2V supply. GPIO0(10) General purpose IO. Positive supply for IO pins. Connect to 3.3V PVDDIO13 supply.
  • Page 11 ARIES ALPHA PVDDIO8 IO Power Supply VDD pin. PVSSIOC8 Ground reference for IO pins. PWM(1) Pulse Width Modulation. PWM(0) Pulse Width Modulation. SPI0MOSI SPI 0 Master Out Slave In. PVSSC6 Ground reference for logic. PVDDC6 Positive supply for logic. Connect to 1.2V supply.

  • Page 12: Board Operation

    GPIO1(5) General purpose IO. GPIO1(4) General purpose IO. 4. Board Operation 4.1 Getting Started To use Vega Arduino IDE for programming follow the steps given in the link below • For Linux; https://bit.ly/vega-linux • For Windows; https://bit.ly/vega-windows To use Eclipse IDE for programming follow the steps given in the link below •...

  • Page 13: Block Diagram

    ARIES ALPHA 5. BLOCK DIAGRAM SWITCHING REGULATOR VCC_5V CAN TRANSCEIVER OPAMP VCC_USB VCC_3.3V VCC_1.2V SILICON LABS Thejas32 SoC SPI Flash LEDs ETHERNET Micro SD Card Reader Display © March, 2024 Centre for Development of Advanced Computing (C-DAC) Page 13/12...

  • Page 14: Connector Pinouts

    ARIES ALPHA 6. Connector Pinouts Connector Pinouts SPECIFICATION ARIES THEJAS32 THEJAS32 REMARKS REMARKS BOARD SPI0_SS SPI0_SS J2_7 SPI0_SCLK SPI0_SCLK J2_4 Connected to Connected to HEADER J HEADER J2 SPI0_MISO SPI0_MISO J2_5 SPI0_MOSI SPI0_MOSI J2_6 SPI1_SS SPI1_SS U6_5 Connected to Connected to...
  • Page 15 ARIES ALPHA SPI3_MOSI U12_5 BOOT FLASH IC J16_1 Connected to J16_2 HEADER J16 SCL_1 J10_1,J2_1 Connected to I2C (3) SDA_1 J10_2,J2_2 HEADER J10 Connected to SCL_2 U13_10 I2C ADC SDA_2 U13_9 IC(U13) UART0_RXD U11_18 Connected to UART TO USB INTERFACE...
  • Page 16 ARIES ALPHA GPIO16 J17_5 GPIO17 J17_6 Connected to SD Memory GPIO18 J18_2 card reader(J18) Connected to ETHERNET GPIO19 U6_6 (U6) Module Connected to GPIO20 U10_16 CAN (U10) GPIO21 U10_17 Module Connected to GREEN of GPIO22 LD1_3 RGB LED Connected to...

  • Page 17: Board Outline & Mounting Holes

    Company Address Fax: 0471-2723456 Email: vega@cdac.in vega@cdac.in www.vegaprocessors.in www.cdac.in Reference Documentation Reference Documentation Reference Link ARIES ALPHA V1.0 ARIES ALPHA V1.0 details © March, 2024 Centre for Development of Advanced Computing (C Centre for Development of Advanced Computing (C-DAC) Page 17/12...

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