该驱动板以现场可编程逻辑门阵列为DSP与编码器、脉冲命令和功率模块等电路之间的接口，以最新的智能功率模块(IPM)作为功率输出驱动芯片。
FPGA is used as interface between the DSP and the encoder, pulse command and power module. The latest intelligent power module (IPM) is used to provide the function of power stage.
设计要求：(1)能够输出锯齿波，三角波，正弦波，脉冲波。(2)能根据键盘命令进行波形之间的切换。(3)能对输出的波形频率进行调节。
Design requirements: (1) can output sawtooth, triangle wave, sine wave, pulse wave. (2) according to the keyboard command to switch between waveforms. (3) can adjust the output waveform frequency.
Pulse 属性包含用于指示调制解调器用于拨号使用的脉冲模式的命令字符串。在电话线不能做按钮拨号时必须使用脉冲拨号。例如： P。
The Pulse property contains the command string used to instruct the modem to use pulse mode for dialing. Pulse dialing is necessary for phone lines that are unable to handle tone dialing. Example: P.
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