Introduction - If you have any usage issues, please Google them yourself
Procedures can be used 24 hours a time, can use as a stopwatch, alarm 1 can regular minutes (can also be off). Usage: reboot after the starting time 00:00:00, (1) long to enter the transfer by P1.0 sub-state: sub-unit plus 1 flashing by P1.0, P1.1 reduced by one. P1.0 longer by the time of entry adjust status, flashes when the unit, adjust plus or minus points cohomology.
Packet : 113172232at89c52_clock.rar filelist
能闹铃秒表时钟1.asm