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Posted on by Jean-Luc Aufranc (CNXSoft) - 2 Comments on 192 MHz WCH CH32V205 RISC-V MCU offers a 480 Mbps USB 2.0 interface

192 MHz WCH CH32V205 RISC-V MCU offers a 480 Mbps USB 2.0 interface

CH32V205 block diagram

WCH CH32V205 is a 32-bit RISC-V MCU clocked at up to 192 MHz with 32KB SRAM, 256KB flash, and a USB 2.0 high-speed Host/device interface with a 480 Mbps PHY. The new microcontroller also features another USB 2.0 full speed (12 Mbps) Host/Device interface, a USB PD port, eighty GPIOs, a 16-channel 12-bit ADC, a 16-channel touchkey interface, and other interfaces such as CAN Bus, USART, I2C, SPI, and QSPI. WCH CH32V205 specifications: MCU core – QingKe 32-bit RISC-V3B core processor up to 192 MHz Memory & Storage 32KB SRAM 256KB Flash Flexible Static Memory Controller (FSMC) Peripherals USB 480Mbps high-speed USB 2.0 controller and PHY Full-speed USB 2.0 controller and PHY USB PD and Type-C controller and PHY 8x USARTs, 2x I2C, 2x SPI , 1x QuadSPI 1-wire (default)/ 2-wire serial debug interface 1x CAN 2.0B Up to 80x GPIO with 16 external interrupts Programmable Protocol I/O Controller (PIOC). Note: […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 12 Comments on $2 WeAct CH32V006F8U6 Mini Core board features CH32V006 RISC-V MCU, supports 3.3V or 5V I/O voltage

$2 WeAct CH32V006F8U6 Mini Core board features CH32V006 RISC-V MCU, supports 3.3V or 5V I/O voltage

WeAct CH32V006 Mini Core Board

WeAct CH32V006F8U6 Mini Core is an inexpensive, tiny development board based on the 48 MHz CH32V006 RISC-V microcontroller and equipped with a USB-C port, a Reset button, and two rows of 12-pin headers for I/Os using either 3.3V or 5V voltage. WCH introduced the CH32V006 in 2024 as an update to the popular CH32V003 with more memory (8KB vs 2KB SRAM), storage (62KB vs 8KB flash), additional GPIOs, a wider supply voltage range, and an upgraded 32-bit RISC-V2C core. I just hadn’t seen any third-party CH32V006 boards so far. The WeAct Studio board changes that. WeAct CH32V006F8U6 Mini Core board specifications: SoC – WCH CH32V006F8U6 CPU – 32-bit “RISC-V2C” core up to 48 MHz Memory – 8KB SRAM Storage – 62KB flash + 3KB “boot” flash USB – 1x USB Type-C port for power and debugging Expansion 2x 12-pin headers with GPIO, ADC, USART, I2C, SPI I/O Voltage – 3.3V […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 7 Comments on WCH CH32H417 dual-core RISC-V MCU offers USB 3.0, 500MB/s UHSIF, and Fast Ethernet interfaces

WCH CH32H417 dual-core RISC-V MCU offers USB 3.0, 500MB/s UHSIF, and Fast Ethernet interfaces

CH32H417 block diagram

WCH CH32H417 is a high-performance dual-core RISC-V microcontroller clocked at up to 400 MHz with up to 960 KB flash, 896KB SRAM, and a range of interfaces, including a 5 Gbps USB 3.0 Host/Device SuperSpeed interface. Other notable features include a 500MB/s UHSIF (Universal High Speed Interface), 10/100Mbps Ethernet MAC and PHY, a SerDes high-speed isolated transceiver, a USB 2.0 High-Speed Host/Device, a USB 2.0 OTG Full Speed, USB PD support, and Display and Camera interfaces. The CH32H417 also offers the usual low-speed I/Os (95x GPIO, SPI…) and analog inputs and outputs (ADC/DAC). WCH CH32H417 CH32H417 specifications: Cores (Coremark: 5.73/MHz) QingKe RISC-V5F up to 400 MHz QinKe RISC-V3F up to 144 MHz GPU – Graphics Processing Hardware Accelerator GPHA Memory – 896KB SRAM Storage 960KB Flash 200MHz dual-edge SD/EMMC controller (SDMMC) SDIO master/slave interface with support for SD/SDIO/MMC Flexible Storage Controller FMC Display – DCT-TFT Display Controller LTDC Camera I/F […]

Posted on by Debashis Das - 7 Comments on WCH BLE Analyzer Pro – A Bluetooth LE sniffer, analyzer, and debugging tool

WCH BLE Analyzer Pro – A Bluetooth LE sniffer, analyzer, and debugging tool

WCH BLE AnalyzerPro A BLE sniffer debugging tool

WCH BLE Analyzer Pro is a USB-based Bluetooth Low Energy (BLE) sniffer and debugging tool designed to capture, decode, and analyze BLE communication packets in real-time. The analyzer supports adjustable polling intervals, broadcast and connection packet tracking, address filtering, and detailed packet inspection with statistics and graphical representation. It can monitor BLE broadcast and connection data in real-time and includes functions such as PHY mode selection and whitening control. These features enable low-level monitoring of BLE communication, help identify transmission issues, and verify protocol behavior. Applications include use in R&D, testing, and debugging of Bluetooth-enabled products such as IoT devices, wearables, and sensors. WCH BLE Analyzer Pro specifications: Main chips – 3x CH582F Bluetooth LE RISC-V microcontrollers, and a CH334 USB hub (see board photo at the end of the post) Supported protocol – Bluetooth Low Energy (BLE) 4.0/4.2/5.0 Capture range – BLE advertisement and connection packets Frequency band – […]

Posted on by Debashis Das - 5 Comments on Sub $7 CH32V317 board offers 10/100Mbps Ethernet, dual USB 2.0 Type-C, DVP interface

Sub $7 CH32V317 board offers 10/100Mbps Ethernet, dual USB 2.0 Type-C, DVP interface

nanoCH32V317 development board

The nanoCH32V317 from MuseLab is a low-cost RISC-V development board designed for prototyping embedded systems and education. Built around the 144MHz WCH CH32V317WCU6 MCU. This development board is suitable for various embedded, IoT, prototyping, and automation projects. Other features of the development board include a USB 2.0 high-speed and full-speed controller, a 10/100Mbps Ethernet MAC with PHY, SDIO, and a DVP interface for digital video input, as well as advanced motor PWM timers for control applications. The board also includes an 8MHz main crystal and a 32.768KHz RTC crystal. For programming, it includes a dual USB Type-C interface, a USB ISP, as well as an SWD port.  nanoCH32V317 board specifications: MCU – WCH CH32V317WCU6 32-bit RISC-V core up to 144 MHz clock frequency USB 2.0 High-Speed (HS) and Full-Speed (FS) controllers Integrated Ethernet MAC + 10/100M PHY DVP interface, SDIO, and advanced motor PWM timer support Memory – Up to […]

Posted on by Jean-Luc Aufranc (CNXSoft) - 27 Comments on 10-cent WCH CH570/CH572 RISC-V MCU features 2.4GHz wireless, Bluetooth LE 5.0, USB 2.0

10-cent WCH CH570/CH572 RISC-V MCU features 2.4GHz wireless, Bluetooth LE 5.0, USB 2.0

CH572 development board

Patrick Yang, CTO at WCH, has recently unveiled the CH570 RISC-V SoC with 2.4GHz wireless and USB 2.0 (host & device) as an upgrade to the popular CH32V003 general-purpose RISC-V MCU with more features at the same low price (10 cents). CH570 also comes with 12KB SRAM and 256KB flash (vs 2KB SRAM and 16KB flash for the CH32V003), offers up to twelve GPIO,  six PWM, I2C, UART, SPI, and a 20-channel key detection module. There’s also the CH572 with the same features, except it also supports Bluetooth LE 5.0. As a side note, I wrote about the CH572 RISC-V MCU with BLE in 2019, but I guess it was scrapped likely because it had OTP instead of flash…, and the new CH572 (2025) is different. WCH CH570/CH572 specifications:  CPU core QingKe 32-bit RISC-V3C core @ up to 100 MHz (RV32IMBC instruction set and custom instructions) Low-power 3-stage pipeline High-speed […]

Posted on by Sayantan Nandy - No Comments on $5 CH32-Ant CH32V003 RISC-V development board comes with Stemma QT connector

$5 CH32-Ant CH32V003 RISC-V development board comes with Stemma QT connector

Ch32V003 RISC-V board

The CH32-Ant is a low-cost, breadboard-compatible development board powered by the WCH Electronics CH32V003-F4U6 RISC-V microcontroller, ideal for prototyping. It is pin-compatible with Prokyber’s ESP32-C6-Bug, offering an easy transition for users who don’t need wireless capabilities or the higher performance of the ESP32-C6FH4. The board features a Stemma QT connector for straightforward I2C sensor integration and a USB Type-C port that supports data transfer and power through software-based USB on the CH32V003. The CH32-Ant offers configurable logic voltage at 3.3V or 5V, adjusted via an onboard 0-ohm resistor, providing flexibility for sensor projects. Powered by the CH32V003F4U6 microcontroller, it operates up to 48MHz with 2kB of RAM and 16kB of flash, making it cost-effective for applications requiring basic processing without wireless. The CH32-Ant features a compact layout designed for breadboard compatibility, a Stemma QT connector for an I2C module on one end of the board, and a USB Type-C connector […]

Posted on by Sayantan Nandy - 3 Comments on Phyx LANA-TNY – A WCH CH32V203 RISC-V development board for embedded applications

Phyx LANA-TNY – A WCH CH32V203 RISC-V development board for embedded applications

LANA-TNY RISC V development board

The LANA-TNY is a compact development board created by Phyx and built around the CH32V203 RISC-V microcontroller. It offers a low-cost solution for embedded development and features a built-in USB bootloader, eliminating the need for an external programmer to flash the firmware. With a USB-C connector and a minimalist design, the board provides essential components to start development quickly. At its core, the Phyx LANA-TNY is powered by the CH32V203G6U6, a 32-bit RISC-V microcontroller from WCH Electronics, capable of running up to 144MHz with 1-cycle multiply/divide operations. It includes 10KB of SRAM, 32KB of single-cycle Flash, and 224KB of additional external flash for program or data storage, though the external memory operates at a slower speed. The CH32V203 microcontroller supports a range of peripherals, including ADC, timers, USB devices, UART, I2C, and SPI, making it suitable for a wide variety of embedded applications. Designed in the style of Adafruit’s QT […]