本数字秒表采用ALTERA公司ACEX1K系列的EP1K100QC208-3芯片为核心。数字秒表实现的功能：按开始开关启动秒表并开始计时，实现了从0.01秒到59分59.99秒的计时，若期间由于某种需要，按下暂停开关（开始开关），当事情解决，重新按下开始开关，使其从暂停状态恢复到工作状态。，当下一次计时时，按下清零开关，对其进行清零操作。-The digital stopwatch using ALTERA company ACEX1K series EP1K100QC208-3 chip as the core. Implemented digital stopwatch function: Press start switch starts the stopwatch and begin timing, achieved 59 minutes from 0.01 seconds to 59.99 seconds in the timing, duration, if for some need, press the pause switch (start switch), when the matter resolved, re-press begun to switch to resume from suspend state to a working state. , Next time time, press the reset switch to clear their operations.