Source | Pi Zi Heng Embedded
Due to the high licensing fees associated with traditional ARM core MCUs, many MCU manufacturers have begun to transition or enter the RISC-V core MCU market.Today, I will share with you a compilation by Pi Zi Heng of several domestic RISC-V core MCU manufacturers.
- Note: Everyone is welcome to leave comments about new RISC-V MCU manufacturers and products.
Qiying Tailun Technology CI1122
CI1122 is a dedicated AI chip launched by Qiying Tailun for edge intelligent voice applications, featuring an embedded RISC-V high-performance processor core from Chipone Technology, based on Qiying Tailun’s independently developed BNPU for intelligent voice, and includes a high-performance low-power Audio Codec module. Additionally, this chip integrates multiple peripheral control interfaces such as UART, IIC, I2S, PWM, and GPIO, enabling the development of low-cost, high-performance single-chip intelligent voice offline recognition solutions.
- Release Date: 2020.11
- Product Homepage: http://www.chipintelli.com/products
Aipute Microelectronics APT32F1/7
APT32F102/F110/F172 is a 32-bit high-performance and high-reliability microcontroller developed by Aipute Microelectronics based on the RISC-V CPU core (T-head Xuantie E series), aimed at applications in home appliances and portable devices.
APT32F706 is a new 64-bit dual-core general-purpose MCU based on RISC-V, developed using the latest RISC-V 64-bit processor core released by T-head, with a maximum operating frequency of 600MHz. The small core part is T-head E902 (32-bit), providing high-performance heterogeneous multi-core computing capabilities.
- Release Date: 2021.04
- Product Homepage 1: http://www.aptchip.com/list_66/385.html
- Product Homepage 2: http://www.aptchip.com/list_65
Xianji Semiconductor HPM6000
The flagship product of the HPM6000 series, HPM6750, adopts a dual RISC-V core (AndesCore D45) with a main frequency of up to 800MHz. With Xianji Semiconductor’s innovative bus architecture, efficient L1 cache, and local memory, it has set a new record for MCU performance exceeding 9000 CoreMark™ and over 4500 DMIPS, providing significant computing power for edge computing applications.
- Release Date: 2021.11
- Product Homepage: https://www.hpmicro.com/Product.html
China Mobile Chiprise CM32M4xxR
CM32M4xxR is the first low-power, high-capacity MCU chip based on the RISC-V core from China Mobile Chiprise (Chiprise Technology Co., Ltd.), using a 32-bit RISC-V Nuclei N308 core, with a maximum operating frequency of 144MHz, supporting floating-point operations and DSP instructions, and integrating up to 512KB of embedded encrypted Flash, 144KB SRAM, as well as a rich set of high-performance analog function modules and communication interfaces.
- Release Date: 2021.11
- Product Homepage: N/A
Ling Si Microelectronics LE503x
The LE503x series products are one of the automotive-grade wireless MCU series based on the RISC-V architecture (T-head Xuantie E902) and BLE5.0/1 specifications, featuring extremely low power consumption, primarily applied in body control, instant communication, and in-vehicle entertainment.
- Release Date: 2021.12
- Product Homepage: N/A
Feilixin
Feilixin is developing its own MCU chip with independent intellectual property, which has already achieved small-scale mass production. It will be applied in LoRa (Low Power Wide Area Network communication technology) to achieve LoRa PHY layer communication, build a LoRaWAN environment based on the open-source LoRa Server project, and in military BMS (Battery Management System), combining the MCU with other telecommunication signal data acquisition chips to manage up to 16 battery cells, further optimizing the BMS battery energy-saving functions.
- Release Date: 2018.10
- Product Homepage: http://www.philisense.com/index.html
Ruisixinke Pygmy-E
Pygmy-E is an ultra-low-power 32-bit SoC aimed at IoT, containing Ruisixinke’s independently designed ORV32 RISC-V core, implementing the RV32IMC standard instruction extension. It is applied in the fields of perception, control, and connectivity for IoT terminal devices, such as smart homes, intelligent control, smart industry, and smart parks.
- Release Date: 2018.11
- Product Homepage: https://www.rivai.ai/product.php?id=21
Shiqing Technology AT10xx
AT1000 is a low-cost, highly integrated, low-power chip suitable for intelligent voice interaction and intelligent control, using Shiqing Technology’s independently developed RISC-V main control processor.
- Release Date: 2019.04
- Product 1 Homepage: https://www.timesintelli.com/productinfo/1476230.html
- Product 2 Homepage: https://www.timesintelli.com/productinfo/1476231.html
Unisoc Spring Vine 5882
Spring Vine 5882 is a highly integrated TWS single-chip solution that supports Bluetooth 5. Unlike the asynchronous transmission solutions for TWS left and right ears on the market, Unisoc adopts an independently developed multi-connection solution, which has independent patents and has been authorized by the patent offices of China and the United States, achieving excellent low power consumption and low latency performance. It uses Unisoc’s independently developed TWS Bluetooth headset technology to achieve ultra-low power consumption and ultra-low latency, providing users with a high-quality dual-master ear experience.
- Release Date: 2019.05
- Product Homepage: https://www.unisoc.com/#/home/prodList?id=1280001849763622914&pid=1282575535297331201&cdx=0&t=0
Uwei Technology UPD350
The UPD350 series is a new architecture USB PD family product from Uwei Technology. The new product supports USB PD 3.0/Type-C controllers, while the system core adopts a more open and flexible RISC-V core processor. This series of products can be used to support enhanced PD applications.
- Release Date: 2019.05
- Product Homepage: http://www.uwetek.com/index.php?id=65
Zhongke Wuqin JX1
JX1 adopts a 55nm process, featuring a heterogeneous dual-core RISC-V processor core, and integrates a programmable AI dedicated accelerator, capable of replacing existing ARM Cortex-M series cores, with computing power easily handling low-dimensional sensor signals such as sound, motion sensors, and low-resolution images.
- Release Date: 2019.07
- Product Homepage: https://www.jeejio.com/
Xinlai Technology Open Source Hummingbird E203
The Hummingbird E203 processor developed by Xinlai Technology is the first complete open-source RISC-V processor project in China, providing a complete solution from modules to SoC, from hardware to software, from operation to debugging, and is equipped with comprehensive documentation, books, and development boards. Its R&D team is experienced, using robust Verilog 2001 syntax to write synthesizable RTL code, developed to industrial standards, with rich comments, strong readability, and easy to understand.
- Release Date: 2018.04
- Product Homepage: https://www.nucleisys.com/
Huami Technology Huangshan 1/2
Huami Technology has released the world’s first artificial intelligence chip in the wearable field, “Huangshan 1.” This chip is developed based on the RISC-V instruction set architecture, with a main frequency of 240MHz, a 55nm process, and integrates an AON (Always On) module controller and a neural network acceleration module.
Huangshan 1 not only has low power consumption but can also automatically transfer sensor data to internal SRAM, making data storage performance faster and more stable. Notably, it integrates a neural network acceleration module, capable of localizing AI task processing—real-time monitoring and analysis of heart rate, ECG, and arrhythmias through four driving engines: Heart Rate, ECG Engine, ECG Engine Pro, and Arrhythmias, widely applicable in various smart wearable devices.
- Release Date: 2018.09
- Product Homepage: https://www.huami.com/news/51
- Product Homepage: https://www.huami.com/news/118
Wuqitech WQ5000/7000 Series
The WQ5106 local voice recognition chip is a high-performance AI chip primarily used for automatic voice recognition. It integrates two high-performance 32-bit RISC CPUs @200MHz, supporting floating-point operations and SIMD operations based on a high-speed on-chip bus, with built-in high-speed, large-capacity DDR DRAM and up to 800KB of on-chip SRAM, providing reliable and fast data storage for the system. Based on optimized algorithms, the chip’s AI system can effectively implement deep learning (DL) functions, significantly reducing system power consumption.
- Release Date: 2019.04
- Product Homepage: http://www.wuqi-tech.com/news/10.html
- Product Homepage: http://www.wuqi-tech.com/product/7.html
Yuefang Technology BF-2 Xijiao
The first-generation BF2 chip (Xijiao) from Yuefang Technology, a subsidiary of Galanz Holdings, has been industrialized (based on the RISC-V processor IP provided by Saifang Technology), covering WiFi and Bluetooth functions, has passed security certification, and can be used in smart appliances, already applied in Galanz microwave ovens. Additionally, the Xijiao chip has been connected with IoT public clouds such as Tuya and JD, and is also used in interconnected products such as smart light bulbs, smart sockets, and appliance main controls.
- Release Date: 2019.10
- Product Homepage: N/A
Tailin Microelectronics TLSR9xxx
Tailin Microelectronics has launched a new Telink TLSR 9 series high-performance SoC chip based on RISC-V, primarily suitable for wearable devices and various IoT application products.
The Telink TLSR 9 series integrates a 32-bit RISC-V MCU (Crisp D25 core), with a standard version running at a maximum speed of 96MHz, supporting a 5-stage pipeline, with a computing capability of 2.59 DMIPS/MHz, and a CoreMark score of 3.54/MHz. Additionally, it integrates DSP extension instructions and floating-point operation modules, facilitating the development of audio algorithms and sensor algorithms.
- Release Date: 2020.08
- Product Homepage: https://www.telink-semi.cn/products/multiprotocol-iot/
Boliu Intelligent BL60x/BL70x
BL602 is a Wi-Fi + BLE combination chipset used for low-power and high-performance application development. The wireless subsystem includes a 2.4G radio, Wi-Fi 802.11b/g/n, and BLE baseband/MAC design. The microcontroller subsystem includes a low-power 32-bit RISC CPU, high-speed cache, and memory. The power management unit controls low-power modes. Additionally, it supports various security features.
BL702 is a BLE + Zigbee combination chipset used for low-power IoT application development. The wireless subsystem includes a 2.4G radio, BLE5.0, and 802.15.4 baseband/MAC design. The microcontroller subsystem includes a low-power 32-bit RISC CPU, high-speed cache, and memory. The power management unit controls low-power modes. Additionally, it supports various security features.
- Release Date: 2020.08
- Product 1 Homepage: https://www.bouffalolab.com/bl602
- Product 2 Homepage: https://www.bouffalolab.com/bl70X
T-head CH2601
CH2601 is an ecological chip based on Xuantie E906, with a maximum main frequency of 220MHz, supporting the AliOS Things IoT operating system, T-head YoC software platform, and T-head Jianchi development tools (CDK).
- Release Date: 2021.02
- Product Homepage: https://occ.t-head.cn/vendor/detail/index?spm=a2cl5.14293897.0.0.d149132dVkpkXj&id=3878941840279867392&vendorId=3706716635429273600&module=1
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