Introduction Located in Shicheng Township, Miyun County, 100 kilometers away from the urban area, at the foot of Lupi Pass, an important pass of the Great Wall, it is a scenic canyon dominated by wa
A product uses 4 external interrupt ports, PA0, PA1, PA2, PA3, falling edge triggered, preemptive priority is 1, corresponding priority 0-3. Another serial port uses DMA to send data. The operation is
I just learned STM32 and used IAR STM32-sk development board. When I used ST-link to debug the program, it showed "Can't halt the core". When I used Jlink, it showed "TCK (pin 9) low, it should be hig
I want to use timer B to measure the pulse width of the input signal, and use pin P4.0/TB0 as the pulse wave input port. However, I found that P4.0-P4.7 on the development board are occupied by the LC
This book explains the operation of HFSS and provides a large number of engineering design examples. It is divided into the basic part (Chapters 1 to 6) and the practical part (Chapters 7 to 21). The