语音芯片isd1760代码，用于语音芯片的放音。包含spi时序控制，放音命令，地址代码，放音程序。-Voice chip isd1760 code for voice playback chip. Spi contains timing control, playback order, address code, playback procedures.

ISD1720 用51摸拟 SPI 控制-ISD1720 simulation SPI control with 51

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