dsp28_xintf.c

泰瑞公司tms320f2812 core的原理图

/************************************************************************************
	版权(c) 	2003-		北京合众达电子技术有限责任公司			                *
*  	设计者：	戴展波	
*************************************************************************************/

#include "DSP28_Device.h"

//---------------------------------------------------------------------------
// InitXINTF: 
//---------------------------------------------------------------------------
// This function initializes the External Interface to a known state.
//

void InitXintf(void)
{

	#if  F2812

    XintfRegs.XINTCNF2.bit.XTIMCLK = 0x0000;
    
	XintfRegs.XTIMING1.bit.XWRTRAIL = 1;
	XintfRegs.XTIMING1.bit.XWRACTIVE = 1;
	XintfRegs.XTIMING1.bit.XWRLEAD = 1;

	XintfRegs.XTIMING1.bit.X2TIMING = 0;
	
/*
	XintfRegs.XTIMING2.bit.USEREADY = 0;
	XintfRegs.XTIMING2.bit.XRDLEAD = 3;
	XintfRegs.XTIMING2.bit.XWRACTIVE = 7;
	XintfRegs.XTIMING2.bit.XRDTRAIL = 3;
	// Double lead/active/trial timing for Zone 2
	XintfRegs.XTIMING2.bit.X2TIMING = 1;
*/

    XintfRegs.XBANK.bit.BANK = 2;
    XintfRegs.XBANK.bit.BCYC = 3; 
	
	#endif
}	
	
//===========================================================================
// No more.
//===========================================================================