sio_slave_rx.c

来自「范例程序 SONiX」· C语言 代码 · 共 24 行

#include <sn8p26l38.h>



unsigned int rx_data;


void main (void)
{
	

	SIOM=0x00;			// Fcpu/1  -->00

	FSCKMD=1;			// External SIO's clock (slave)

	SIOR=56;
	
//=======================================================================
//	SCK frequency = SIO rate / (256 - SIOR)
//   ==>  SIOR = 256 - ( 1 / ( SCK frequency ) * SIO rate )
//
//  Setup the SIO clock to be 5KHz. Fosc = 4MHz. SIOˇs rate = Fcpu = Fosc/4
//
//		SIOR = 256