WebJun 24, 2024 · 以晶振12MHZ为例: 可以得到: TMOD=0x01; TL0=0xb0; TH0=0x3c; 至于怎么来的请看: 12M晶振每秒可产生1M个机器周期,1M个机器周期就是1000000个机器周期。一个机器周期为1us, 50ms就需要50000个机器周期,定时器在方式1工作,为16位,最大值为65536,所以需设初值为65536-50000 ... WebMay 7, 2011 · 学校的课程设计,用proteus单片机和keil设计一个LED数码管显示的秒表,如下. 你的程序有问题,仿真图不要用三极管驱动,反而不显示。. 如下画法就行,那4个按键不变,没有画。. 程序中的按键处理,方法不当。. 先改成如下的程序,先调出能显示,然后你自己 ...
8051 Timer Counter Tutorial (4 Modes) ⋆ EmbeTronicX
WebJun 27, 2024 · In Mode 3 of Timer0, the 8051 has three timers. One 8-bit timer by TH0, another8-bit timer/counter by TL0, and one 16-bit timer/counter by Timer1. If the Timer0 is in mode3, and Timer1 is working on either 0, 1 or 2, then the gun control of the Timer1 is activated when the gate bit is low or INT1 is high. WebJan 17, 2006 · TMOD =0x01; ET0 =0; TH0 =0x3C; TL0 =0xB0; TF0 =0; TR0 =1; while(TF0==0); TR0=0;} Jan 17, 2006 #7 P. pjyc Junior Member level 1. Joined May 10, … the grove orlando resort and water park
单片机上机操作考试题及答案(word文档良心出品)_百度文库
WebJul 19, 2006 · To set TIMER0 as 16bit timer/counter you need to SET bit Mo and CLEAR bit M1 of Timer0 section of the TMOD register .. That is basically done by the second line of … WebTMOD = 0x01; // set timer 0 for 16 bit timer next:TL0 = 0xAF; // load count TH0 = 0x3C; while (EN==1) {} // wait till enable pin becomes 0 if ( (S0==0)&& (S1==0)&& (S2==0)) pin = D0; // … http://sangtaoclub.net/bai-viet/32-bai-1-tao-xung-vuong-dung-vi-dieu-khien---lap-trinh-c-co-ban.html the grove orlando map