运动计时器的设计。设计要求： （1）在液晶显示屏上显示分钟和秒，最长的计时时间为59：59。 （2）按下清零按键，在液晶显示屏上显示的时间为00：00。 （3）按下启动/暂停按键，则启动或暂停计时器计时。其功能与实际的计时器的开始/停止按钮功能相同。 -Movement timer design. Design requirements: (1) in liquid crystal displays minutes and seconds, the longest time 59

C8051F320在学习板上对1602液晶的控制程序-C8051F320 the study of liquid crystal panel on the 1602 control program

this code is for activating the pll unit of lpc2148( arm7). in this way you can exceed your crystal clock. this code is by keil uvision compiler and works on lpc2148 from nxp.co enjoy it

RTC crystal is correctly configured & 1 second blinkings can be observed on launch pad.-RTC crystal is correctly configured & 1 second blinkings can be observed on launch pad.