The schematic diagram of the circuit is shown below.Simplified circuit of switch circuit
Before the circuit is powered on, the switch "TEST" is turned off and the microcontroller is not powered by VCC
[i=s]This post was last edited by Digital Leaf on 2021-6-17 22:00[/i]I was going to write SPI_FLASH read and write operations, but I found that I had to write QSPI_FLASH first, because after using RT-
This post uses the various peripherals of the Qingke Arduino expansion board to evaluate the communication performance of the single bus/AD/analog serial bus of the STM32F769. The peripheral modules u