rp2040 power supply

pico
Author

dd21

Published

February 28, 2023

Abstract

power supply of pico and how to set power of application.

Referance

pico sdk datasheet

name level
IOVDD 1.8~3.3v
DVDD 1.1v
VIN 3.3v
VIOUT 1.1v
USB 3.3v
ADC 1.8 or 3.3v(√)

VIN,VOUT是内部降压芯片可用可不用, 但是不用也要有个输入.

USB的供电是3.3v 如果应用没有usb的需求和话随便给电

ADC推荐3.3v

DVDD 是内部电压 1.1v IOVDD 可以设1.8~3.3v都行,但是设置为1.8的时候再给上3.3v可能会导致芯片报废.