tc0out.c

来自「范例程序 SONiX」· C语言 代码 · 共 58 行

#include <sn8p2758.h>



void main (void)
{

//============================================================================
//	timer TC0 --> tc0out(buzzer)
//============================================================================
//Setup TC0OUT output from TC0 to TC0OUT (P5.4). The external high-speed clock is 4MHz. The
//TC0OUT frequency is 0.5KHz. Because the TC0OUT signal is divided by 2, set the TC0 clock to 1KHz. The
//TC0 clock source is from external oscillator clock. TC0 rate is Fcpu/4. The TC0RATE2~TC0RATE1 = 110.
//TC0C = TC0R = 131.

	FTC0ENB=0;
						
	TC0M=0x60;			// Fcpu/4		
										
	TC0C=131;			// Set the auto-reload reference value
	TC0R=131;						

	FTC0OUT=1;			// Enable tc0out function
	FALOAD0=1;			// enable auto reload

	FTC0ENB=1;			// Enable Tc0 timer
	
	while(1)
	{
//==================================================================
//	
//	User code 
//
//==================================================================
  }																
}