Introduction - If you have any usage issues, please Google them yourself
digital timer usually are oscillator, dividers, decoder and display several parts. Which oscillator and divider standard component signal generator seconds, then into a variety of counter-band component metering systems, decoder, display composition display system, some other combination of circuit composed of school-conditioning system.
Packet : 55525数字钟的设计.rar filelist
数字钟的设计.doc