# CH32V003F4U6 RISC-V Microcontroller

48 MHz RISC-V Controller - QFN20 Package / 16K Flash - 2K RAM

- **Seller:** [nanoDyne](https://www.lectronz.com/stores/nanodyne), Zusmarshausen, Germany
- **Price:** €0.40 (EUR, before shipping and taxes)
- **Availability:** In stock
- **Categories:** Platform, Arduino
- **HS code:** 854231
- **Product page:** https://www.lectronz.com/products/ch32v003f4u6-risc-v-microcontroller

## Links

- [Documentation](https://www.wch-ic.com/products/CH32V003.html)

## Images

![CH32V003F4U6 RISC-V Microcontroller](https://lectronz-images.b-cdn.net/lectronz/active_storage/representations/proxy/eyJfcmFpbHMiOnsiZGF0YSI6ODkzOCwicHVyIjoiYmxvYl9pZCJ9fQ==--86f3cb45398fc43b0076949a689b6abd748da3dc/eyJfcmFpbHMiOnsiZGF0YSI6eyJmb3JtYXQiOiJqcGciLCJyZXNpemVfdG9fbGltaXQiOls5NjAsNjQwXSwic2F2ZXIiOnsic3RyaXAiOnRydWV9fSwicHVyIjoidmFyaWF0aW9uIn19--970c165836a83091725a1a0fd4f37ce9408da1bf/CH32V003F4U6.jpg)

## Description

The **CH32V003F4U6** is a MCU in the **QFN20** package by **WCH** and features **48 MHz** clock frequency, **16KB of FLASH** and **2KB of RAM**. It will be shipped in a bag with the cut tape in it.

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*The following information about the MCU is from the official WCH website*

#### System Block Diagram

![System Block Diagram](https://img.wch.cn/20220921/5d7592ac-9a13-4662-910c-f9388da9ee6e.jpg)

#### Summary

CH32V003 series is based on QingKe RISC-V2A core design of industrial-grade general-purpose microcontroller, support 48MHz system main frequency, with wide voltage, 1-wire serial debug interface, low-power consumption, ultra-small package, etc. CH32V003 series built-in a group of DMA controller, a group of 10-bit ADC, a group of op-amp comparators, multiple timers and standard communication interfaces USART, I2C, SPI, etc.

#### Features
- QingKe 32-bit RISC-V2A processor, supporting 2 levels of interrupt nesting
- Maximum 48MHz system main frequency
2KB SRAM, 16KB Flash
- Power supply voltage: 3.3/5V
- Multiple low-power modes: Sleep, Standby
- Power on/off reset, programmable voltage detector
- 1 group of 1-channel general-purpose DMA controller
- 1 group of op-amp comparator
- 1 group of 10-bit ADC
- 1×16-bit advanced-control timer, 1×16-bit general-purpose timer
- 2 WDOG, 1×32-bit SysTick
- 1 USART interface, 1 group of I2C interface, 1 group of SPI interface
- 18 I/O ports, mapping an external interrupt
- 64-bit chip unique ID
- 1-wire serial debug interface (SDI)

## Shipping policy

We will try to ship in-stock products within two to three business days.

"Untracked" shipping methods are stated in the checkout. These are not insured or trackable and is at buyer's responsibility. There is always a tracked option available with insurance and tracking included.