CH32V307
High-performance 144MHz RISC-V4F MCU with FPU, USB 2.0, up to 256KB Flash Ideal for industrial and consumer applications with excellent performance and reliability.
Product Overview
Description
CH32V307 is a high-performance RISC-V microcontroller featuring the QingKe RISC-V4F core running at up to 144MHz with hardware FPU.
With USB 2.0 High Speed and Full Speed support, rich analog peripherals including 2x ADCs and DAC, this MCU is ideal for advanced embedded applications.
The chip includes up to 256KB Flash and 64KB RAM, multiple timers, and extensive communication interfaces including CAN, SDIO, and Ethernet.
Product Series
CH
Primary Application
USB device applications
Key Features
- 144MHz RISC-V4F core with hardware FPU
- USB 2.0 High Speed (480Mbps) and Full Speed
- Up to 256KB Flash memory
- Up to 64KB SRAM
- 2x 12-bit ADCs with 16 channels
- 2x 12-bit DACs
- CAN 2.0B interface
- SDIO and Ethernet MAC
- Multiple timers and PWM channels
- Open-source toolchain support
Specifications
| Core | QingKe RISC-V4F with FPU |
|---|---|
| Frequency | Up to 144MHz |
| Flash | Up to 256KB |
| RAM | Up to 64KB |
| USB | USB 2.0 HS/FS Device and Host |
| ADC | 2x 12-bit ADC (16 channels) |
| DAC | 2x 12-bit DAC |
| GPIO | Up to 80 |
| Package | LQFP64, LQFP48, QFN48 |
Applications
USB device applications
Electronic system design
Industrial control systems
Industrial automation and control
Motor control
Motor drive and control systems
Digital power supplies
Electronic system design
Test and measurement equipment
Data acquisition and conversion
Communication gateways
Communication and interface
Embedded systems
Electronic system design
FAE Expert Insights
"CH32V307 is an impressive RISC-V MCU that offers ARM Cortex-M4 class performance at a fraction of the cost. The 144MHz RISC-V4F core with FPU handles DSP algorithms efficiently. I've successfully used this MCU in motor control applications where the FPU significantly improved control loop performance. The USB 2.0 High Speed capability is rare in this price range. The open-source toolchain support means no licensing costs, making it ideal for cost-sensitive projects. One consideration: the peripheral library is not as mature as STM32 HAL, but it's improving rapidly."
ARM-class performance with RISC-V open architecture at low cost
— Michael Zhang, BeiLuo
Frequently Asked Questions
What is the maximum clock speed of CH32V307?
CH32V307 supports up to 144MHz system clock. The QingKe RISC-V4F core includes hardware FPU that operates at full clock speed. The chip includes PLL for clock multiplication from external crystal or internal oscillator. Power consumption scales with clock frequency, allowing power/performance trade-off for battery applications.
144MHz provides ARM Cortex-M4 class performance. Lower frequency for power saving. Contact our FAE team for clock configuration.