"基于AT89S52和DS1302的电子日历时钟系统设计"

With the rapid development of electronic technology, especially the emergence of large-scale integrated circuits, it has brought about fundamental changes in human life, and the application of single-chip technology products has entered thousands of households. The passage of time, from observing the sun and using pendulum clocks to electronic clocks, humans have continuously researched and innovated. This article first describes the working principle of the hardware system, and with the help of structural diagrams it explains the hardware interface technologies applied in the system and the functions and working processes of each interface module in detail. Secondly, it elaborates on the various modules of the program and their implementation process. This design is based on digital integrated circuit technology with single-chip technology as the core. The main idea behind this article is the combination of hardware and software, with hardware as the foundation and software as the main driver, to write various functional modules. This system uses the AT89S52 single-chip microcontroller as the control core and the DS1302 real-time clock circuit to keep track of the year, month, day, week, hour, minute, and second. The software design is done using assembly language and C language. The system uses the LCD1602 liquid crystal display chip to display data, providing a user-friendly operation and visual appeal. Keywords: AT89S52; DS1302; LCD1602 liquid crystal display