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Microphone Pmod Controller (Interfaces to ADCS7476). System Clock > 16MHz. service request. WISHBONE Slave Interface. Conversion Rate Timer 48kHz. Clock Prescaler 16MHz. Microphone Pmod Hardware. mic_clk. mic_cs. WISHBONE Bus. Serial To Parallel Converter. 16. mic_dat.
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Microphone Pmod Controller(Interfaces to ADCS7476) System Clock > 16MHz service request WISHBONE Slave Interface Conversion Rate Timer 48kHz Clock Prescaler 16MHz Microphone Pmod Hardware mic_clk mic_cs WISHBONE Bus Serial To Parallel Converter 16 mic_dat
Microphone Pmod Controller(Interfaces to ADCS7476) • Controller responds to address range FFCF_00xx as a read-only device. • The microphone is automatically sampled at a rate of 48kHz, which is consistent with digital audio. • Two 16-bit registers • 0 = data register • The data register contains the 12-bit converted value of the analog signal input. • 1 = flag register • The flag register is set to one if there has been new data converted since the last read of the data register