TMS320F2812DSP expansion memory interface (EMIF) is used to connect peripheral devices with the most typical applications such as connecting chip extended memory. This interface provides the address of the connection, data connection and a set of control lines. ICETEK-F2812-AE these extensions will lead to the extension cord socket board altar extensions. 2. The buzzer is set by the DSP on PWM2 purpose I/O pin output control, the frequency of this output pin can be converted into sound output. The method of control is to use common DSP timer PWM2 pin to change the level of a certain frequency, the output square wave. For general-purpose timer period register is set, the count value of half the desired frequency count value.

lab0404-Speaker\cc_build_Debug.log
...............\Debug\DSP281x_CodeStartBranch.obj
...............\.....\DSP281x_CpuTimers.obj
...............\.....\DSP281x_DefaultIsr.obj
...............\.....\DSP281x_GlobalVariableDefs.obj
...............\.....\DSP281x_PieCtrl.obj
...............\.....\DSP281x_PieVect.obj
...............\.....\DSP281x_SysCtrl.obj
...............\.....\speaker.map
...............\.....\speaker.obj
...............\.....\speaker.out
...............\Debug
...............\Debug.lkf
...............\Debug.lkv
...............\Example_281xCpuTimer.gel
...............\speaker.c
...............\speaker.c.bak
...............\speaker.paf
...............\speaker.pjt
lab0404-Speaker

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