Upbeat Tech UP201 / UP301

Introduction

In the era of the Internet of Things (IoT), real-time decision-making, data privacy, and extreme endurance (ultra-low power) are critical requirements for successful Endpoint AI devices.

Upbeat Technology focuses on ultra-low-power RISC-V SoC development, bringing you UP201 and UP301 series — a heterogeneous dual-core RISC-V Edge AI platform designed specifically for energy-efficient deep learning applications.

Our chip enables AI analysis closer to the data source (Edge AI), achieving fast response and lower bandwidth usage, making it highly suitable for real-time applications.

UP201
UP301

The Three Core Values of UP201 / UP301

Optimized Always-On Power Management

UP201/UP301 utilize an heterogeneous dual-core RISC-V architecture to optimize the balance between power consumption and performance. This design achieves higher efficiency for the same power consumption level.

  • Seamless Switching for Ultimate Energy Saving:
    The chip separates power domains into an Always-On Domain (AON) and a Non-Always-On Domain (Non-AON).
    • Always-On Monitoring: The lightweight E21 core (AON) continuously collects sensor data and performs lightweight preprocessing, operating at minimum power consumption.
    • Instant Wake-Up: The powerful E34 core (Non-AON) is only activated when a critical AI task is detected. It executes intensive AI computations and quickly returns to the energy-saving state upon task completion, which significantly extends battery life.
  • Low Power, Adjustable Computation Performance:
    Our platform is designed for ultra-low supply current and scalable computation performance.
    This supports devices in achieving years or even longer battery life.
UP201/UP301 provides power savings ranging from 32% to 65% compared to other competitors.
Adjustable compute performance with lower power than competitors.

Integrated AI Acceleration for Edge AI

To enable real-time Endpoint AI decision-making, UP201/UP301 integrate dedicated hardware accelerators.

Dual NPU Intelligent Collaboration: Two built-in CNN Accelerators (NPUs) are included.

  • NPU2 (in AON domain) is specifically used for always-on activity detection (such as Voice Activity Detection VAD or gesture recognition), ensuring immediate response at the lowest possible power.
  • NPU1 handles more complex tasks, such as Speaker ID or physiological signal analysis (ECG, PPG), for intensive AI computing tasks.

The NPU blocks are efficiently combined with a 32-bit Integer Math Accelerator. This dedicated hardware is essential for low-power signal analysis designs and performs complex signal processing functions quickly and efficiently.

Robust Hardware Security

Data security and privacy are paramount in edge computing. Our platform provides enterprise-grade hardware security safeguards.

  • Built-in Root-of-Trust:
    The platform integrates a secure macro featuring a Physically Unclonable Function (PUF), a True Random Number Generator (TRNG), and OTP storage (8K bits).
    This provides robust security protection for sensitive AI tasks.
  • Secure Boot and Encryption:
    The platform supports Secure Boot and includes hardware cryptography engines (PUF IP).
    These engines support algorithms like AES256, SHA256, and SM4, ensuring firmware integrity and protecting data security.

UP201 & UP301 — Flexible Solutions for Edge AI

UP201 and UP301 share the same ultra-low-power RISC-V CPUs and AI accelerators, but they focus differently on integration and size. UP201 is an AI SoC built for space constraints and extreme battery life, while UP301 is an AI processor offering higher-level vision capabilities and rich peripheral interfaces. This ensures you can find the perfect solution fit for any edge application:

Feature UP201 (Ultra Low Power AI SoC) UP301 (Advanced Edge AI Processor)
Product Positioning Extremely small footprint AI SoC
Suitable for space-constrained and long-endurance devices

Can serve as a Sensor Hub for smartwatches
High-level integration AI Processor
Suitable for complex display and multi-sensor applications

Can serve as the main controller for smart bands, supporting voice and multiple applications
Size and Package 3mm x 3mm WLCSP, 64 balls 5mm x 5mm FCCSP, 152 balls
Display and Vision GFX 2.5D GPU
Supports SPI (DBI-C)
GFX 2.5D GPU
Supports 2-lane MIPI-DSI-2 and QSPI
Image/Camera Input Does not support dedicated camera input Supports 8-bit parallel camera input
External Storage Interface Quad SPI Flash interface Octal SPI Flash interface
Built-in SDIO 3.0 / eMMC 4.5.1 support
GPIO/Peripheral Count Max 29x GPIO
3x SPI Masters
3x UART
Max 100x GPIO
6x SPI Masters
5x UART
12x I2C
Typical Applications Smartwatches, hearing aids (hearables), ultra-small IoT sensor nodes Smart glasses (AR Glass), battery-powered robotic control, high-end industrial AI applications

UP201 MCU Board: Trina-Pi

Trina-Pi board is a versatile, ready-to-use development solution built around ultra-low-power UP201 RISC-V microcontroller, specifically engineered for cutting-edge AI and edge computing applications.
It is designed to offer robust, energy-efficient machine learning capabilities by integrating dual cores and a built-in Neural Processing Unit (NPU).
Ideal for embedded applications and prototyping tasks, Trina-Pi features a compact size of 31mm × 61mm and includes a complete SDK and various example programs to facilitate fast and efficient project creation for both engineers and hobbyists.

Trina Pi

Demo Video Showcase

The following showcases how UP201/UP301 deliver ultra-low-power Edge AI solutions in practical applications.

Keyword Spotting (KWS) — Always-on Listening, Instant Wake-up

This demonstration video illustrates how UP201/UP301 operate in an ultra-low-power state to continuously monitor microphone input. They use a Neural Processing Unit (NPU) to perform Voice Activity Detection (VAD), enabling real-time detection of speech signals extracted from background noise.

Once speech is detected, the chip employs Intelligent Power Management to activate a secondary core (the high-performance core) to process the KWS task. After completion, it immediately returns to a sleep mode to conserve power. This architecture allows the device to offer all-day voice interaction while significantly maximizing battery life.

LVGL

Our chip supports LVGL applications through the LVGL API, utilizing the built-in GFX 2.5D GPU and Display Engine.

AHRS (Attitude Heading Reference System)

This demonstration highlights UP201/UP301’s robust performance in sensor fusion and real-time control computation.

Utilizing dual RISC-V cores and the 32-bit Integer Math Accelerator (which supports functions like FFT, square root, and inner product), the platform can instantly execute AI and control algorithms.
This capability is ideal for applications such as drone or robot control, providing highly stable, precise, and reliable attitude control.

Low Power Measurement Demonstration

This video provides a visual presentation, through power measurement, of UP201/UP301’s performance across different operating modes.

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