The origin of this project stems from a discussion about the RP2040 MCU (the first microcontroller from Raspberry Pi). At the time, we were discussing how to build a simple desktop/graphical user interface for the RP2040 MCU, and I casually mentioned, “Why not just run some old operating systems?” After saying that, I suddenly thought … Read more
Debugging chips relies heavily on the JTAG interface. Downloading and debugging programs must be accomplished through the JTAG interface. Today, I learned some basic principles and working processes of the JTAG interface, and I will summarize them briefly. The JTAG interface is an international standard testing protocol, originally initiated by several electronic device manufacturers who … Read more
Follow + star our WeChat public account to not miss exciting content Author | strongerHuang WeChat Public Account | strongerHuang In the past, computers commonly came with a UART serial port. However, modern computers generally do not have serial ports configured. To use serial port functionality, you typically need a USB to serial hardware module. … Read more