embedded-processors-controllers

CH32V003

Full part number: CH32V003F4U6

Key datasheet specifications and the closest alternatives, ranked by parametric similarity and grounded in the manufacturer datasheet.

01 — Overview

This datasheet covers the CH32V003F4U6, an industrial-grade MCU in the CH32V003 family based on the RISC-V V2A core. It defines the scope as a 32-bit microcontroller supporting 48MHz speeds and wide voltage ranges. Key parameters include supply of 3.3V or 5V, 16KB CodeFlash, 2KB SRAM, 10-bit ADC, seven DMA channels, multiple timers, USART, I2C, SPI interfaces, and dual watchdogs. The document details memory mapping, system architecture, and pinout configurations for various package types.

02 — Key specifications

Datasheet parameters

ParameterMinTypMaxConditions
quiescent current 120 µA 180 µA 270 µA
supply voltage range 2.7 V — 5.5 V
gain bandwidth — 12 MHz — CLOAD = 50pF; MHz
cmrr — 81 dB — @1KHz; dB
operating temperature -40 °C — 85 °C
clock frequency — 50 MHz —
slew rate — 7.7 MV/s — CLOAD = 50pF; V/us
psrr — 88 dB — @1KHz; dB
cpu speed — 50 MHz —
program memory size — 16.4 kB —
ram size — 2.05 kB —
io count — 18 —
adc resolution — 10 bit —
core size — 32 bit —
rise time — — 20 ns 负载电容: C = 30pF
03 — Alternatives

Closest matches to CH32V003

EFM8BB51F16G-C-QFN20 4.0× lower core size, 2.0× lower clock frequency, 1.6× lower ram size
MSPM0G3505SDGS28 7.8× higher ram size, 5.7× lower rise time, 5.0× lower clock frequency
CH32V203C6T6 6.2× lower clock frequency, 5.0× higher ram size, 2.9× higher cpu speed
EFM8BB21F16A-C-QFN20 4.0× lower core size, 2.0× lower clock frequency, 1.9× higher operating temperature
EFM8BB21F16G 4.0× lower core size, 2.0× lower clock frequency, 1.4× lower supply voltage range
STM32G431x6 18.6× higher quiescent current, 16.0× higher ram size, 3.4× higher cpu speed
GD32E230C4T6 2.5× higher rise time, 2.0× higher ram size, 1.4× higher cpu speed
GD32E230K4T6 2.5× higher rise time, 2.0× higher ram size, 1.4× higher cpu speed
04 — FAQ

Frequently asked questions

What is the ADC resolution of the CH32V003F4U6?

The ADC resolution is 10 bit.

What is the maximum clock frequency of the CH32V003F4U6?

The maximum clock frequency is 50 MHz.

What is the CMRR of the CH32V003F4U6 at 1KHz?

The CMRR is 81 dB at 1KHz.

What is the core size of the CH32V003F4U6?

The core size is 32 bit.

What is the maximum CPU speed of the CH32V003F4U6?

The maximum CPU speed is 50 MHz.

What is the gain bandwidth of the CH32V003F4U6 when CLOAD = 50pF?

The gain bandwidth is 12 MHz when CLOAD = 50pF.

How many I/O pins does the CH32V003F4U6 have?

The CH32V003F4U6 has 18 I/O pins.

What is the maximum operating temperature for the CH32V003F4U6?

The operating temperature is 85 °C.

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