Introduction - If you have any usage issues, please Google them yourself
The code in this folder is " external interrupt module" of the corresponding code. exint.c the file is EXINT code, including the main the main function, the interrupt service program. EXINT.pdf the document is an external interrupt EXINT schematic C6713, C6713 For the rest (such as SDRAM, FLASH, etc.) and some control signals, power signals are omitted. Readers may refer to other relevant chapters.