Apoly-costPITbitssold60,000ordersbehindFreepapersDownloadCenterNews:seeminglyovernight,vividexampleofthefineoperation“hasbecomethehighestfrequencyvocabularysellermouth,butrarelyabletoseethefrontofthestage.March8,heldphoenix”sevenyearsdoesnotbreakup“campaign,justusingapoly-costPITbit,itsoldmorethan60,000orders.theydidnotgathercost-effectivechannelsasaflickgoods,butasanewreleaseoftheactivities...
飞思卡尔MC9S12XS128之PIT模块学习笔记PIT——peiodinterrupttimer，可用于产生周期性中断。PIT模块基本结构：1)上图中包括2个8位递减寄存器和4个16位递减寄存器；2)PITMTLD0和PITMTLD1分别是两个8位递减寄存器存储初值的寄存器，如下图所示，初始化时，直接对对应的寄存器赋初值。使用举例：PITMTLD0=240表示该8位递减计数器TIMER0从240开始减，由于是8位，最大数可以是255。3）PITLD0~PITLD3分别是4个16位递减寄...
