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DSP2812我外扩的了RAM,但程序在RAM里跑的时候,运行起来速度很慢,请问,程序里主要有哪些设置以后才行?
需要对外扩RAM进行初始化，给你个参考代码：
void Sram_init( void)
{
XintfRegs.XTIMING6.bit.X2TIMING = 0;
XintfRegs.XTIMING6.bit.XRDLEAD = 1;
XintfRegs.XTIMING6.bit.XRDACTIVE = 1;
XintfRegs.XTIMING6.bit.XRDTRAIL = 0;
XintfRegs.XTIMING6.bit.XWRLEAD = 1;
XintfRegs.XTIMING6.bit.XWRACTIVE = 1;
XintfRegs.XTIMING6.bit.XWRTRAIL = 0;
XintfRegs.XINTCNF2.bit.CLKMODE = 0;
}
