tc1out.c

来自「范例程序 SONiX」· C语言 代码 · 共 60 行

#include <sn8p2758.h>



void main (void)
{

//============================================================================
//	timer TC1 --> tc1out(buzzer)
//============================================================================
//Setup TC1OUT output from TC1 to TC1OUT (P5.3). The external high-speed clock is 4MHz. The
//TC1OUT frequency is 0.5KHz. Because the TC0OUT signal is divided by 2, set the TC1 clock to 1KHz. The
//TC1 clock source is from external oscillator clock. TC1 rate is Fcpu/4. The TC1RATE2~TC1RATE1 = 110.
//TC1C = TC1R = 131.

	FTC1ENB=0;
						
	TC1M=0x60;			// Fcpu/4		
										
	TC1C=131;			// Set the auto-reload reference value
	TC1R=131;						

	FTC1OUT=1;			// Enable TC1out function
	FALOAD1=1;			// enable auto reload

	FTC1ENB=1;			// Enable TC1 timer


	while (1)
	{
//==================================================================
//	
//	User code 
//
//==================================================================
	}
															
}