参考仪隆例程em78p259n tcca功能的应用

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#23,Zone115,Lane572,BiboRd.ZhangjiangHi-TechPark :+86215080-Fax:+86215080-一 TCCA功能介 二 相关寄存 1、IOC51(TCCA计数器) 2、RF(中断状态寄存器 3、IOC80(TCCA控制寄存器） 4、IOCF0（中断寄存器 三 设置TCCA寄存器步 四 计算五 范 1、中断方式（汇编 2、中断方式（C语言） 3、查询方式（汇编 4、查询方式（C语言） 一、TCCA2、做计数器用时，TCCA的时钟来自外部的信号源，此时P61/TCCA脚只能做为二、相关寄存器1、IOC51(TCCA计数器的情况下都会清“0”。2、RF(中断状态寄存器(3、 控制寄存器––1TCCA(1：外部输入信号（此时P6１/TCCA为输入端4、IOCF0（中断寄存器1：使能TCCA三、设置TCCA2TCCA控制寄存器（IOC80；四、计算 t）*1（CLK=2时 t）*2（CLK=4时FOSC：TCCA时钟源频率； t：TCCA（IOC51）的初始值。TCCA没有预分 五、范例1、中断方式（汇编 COUNTER== COUNTER1 ;清除TCCAIF;使能TCCA;TCCA定时时间T=（1/4M）*256*1;使能TCCAZZ2、中断方式（C语言//WDT://编译软件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP()_asm{nop} #defineENI()_asm{eni} #defineSLEP()_asm{slep} CONTR()_asm{mov CONTW(IM_Value)_asm{mov#defineucharunsignedexternintIntVecIdx;//occupied0x10:rpage0ucharCOUNTER,COUNTER1;bitb_flag;{ //使能TCCA //TCCA定时时间T=（1/4M）*256*1 //使能TCCA {{ {}}}}}void_intcallALLInt(void)@{{case //有TCCA{ }}}void_intcalltcca_l(void)@0x18:low_int{BC0x3,5}3、查询方式（汇编 ;编译软件:eUIDEVersionCOUNTER== COUNTER1 ;使能TCCA;TCCA定时时间T=（1/4M）*256*1;使能TCCA;清除TCCAIFZZ 4、查询方式（C语言//WDT://编译软件:eUIDEVersion#include #defineDISI() #defineWDTC() #defineNOP()_asm{nop} #defineENI()_asm{eni} #defineSLEP()_asm{slep} CONTR()_asm{mov CONTW(IM_Value)_asm{mov#de