What kind of 5 1 single chip microcomputer is suitable for electronic clocks?

STC8952 is enough. There is a ready-made perpetual calendar 5 1 on the internet, including time, date and solar terms. Of course, there is an alarm clock, and the code is very small. You don't have to look at those codes.

In fact, it tells you that you don't need much space to write this program code. 52 is enough, 52 is strong enough in speed. Then buy ds 1302 chip, any other chip will do. You can do this without buying it. The one above the perpetual calendar can achieve this function,+display screen.

There are many choices on Taobao.