We received the imx8mplus development board from PHYTEC for evaluation, and last time we had it up, everything was working fine.
The official website comes with a paper document for rapid development,...
[i=s]This post was last edited by hehung on 2022-3-6 19:28[/i]PrefaceRTC is a good choice for recording time. It does not require an external clock chip and can also achieve the purpose of obtaining a...
1. ADN8834 power-on probability VREF oscillation causes the chip to not work
Oscillation phenomenon; Test conditions: VLIM=0V~0.5V, T=25C, VCC RC: 30ohm, 22nf; ICC=10mA when VERF is normal, abnormal c...
Let’s start with a simple question: How fast can the GPIO flip speed of STM32 (for example, used to simulate timing) be? Write a piece of code to test: [code]void test(void) { for(;;) { GPIOA->ODR = (...
https://www.baidu.com/sf_edu_wenku/view/326acdef172ded630b1cb6b7 I don't know where the original post came from. . The first question. . Are α and β equal in the third equation? Otherwise, how did the...
I would like to ask how to turn off the automatic layer selection function for routing... When I draw a 4-layer board, I select Signal Layer 1 or Signal Layer 2 for routing, but as soon as I click on ...