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TMS320F28035使用外部晶振调试问题

Other Parts Discussed in Thread: CONTROLSUITE

各位大神:

        请教下,28035在使用外部晶振情况下,配置成外部晶振可以独立运行软件(外部时钟引脚是GPIO19),但插上仿真器就不能仿真,仿真器用XDS100V2,软件是CCS6.1,是仿真器和外部时钟不能同时使用吗?

        配置如下:

EALLOW;
       SysCtrlRegs.CLKCTL.bit.XTALOSCOFF = 1;
       //   SysCtrlRegs.XCLK.bit.XCLKINSEL = 1;
       SysCtrlRegs.CLKCTL.bit.XCLKINOFF = 0;
       SysCtrlRegs.CLKCTL.bit.OSCCLKSRC2SEL = 0;  // Switch to external clock
       SysCtrlRegs.CLKCTL.bit.OSCCLKSRCSEL = 1;   // Switch from INTOSC1 to INTOSC2/ext clk
       SysCtrlRegs.CLKCTL.bit.WDCLKSRCSEL = 1;    // Switch Watchdog Clk Src to external clock
       SysCtrlRegs.CLKCTL.bit.INTOSC2OFF = 1;     // Turn off INTOSC2
       SysCtrlRegs.CLKCTL.bit.INTOSC1OFF = 1;     // Turn off INTOSC1
       EDIS;