Fiche De Données (PCM5142EVM-U)Table des matièresFEATURES1OTHER KEY FEATURES2APPLICATIONS2DESCRIPTION2DEVICE INFORMATION3PCM514x pin assignments-1 MODE1 tied DVDD : SPI mode3PCM514x pin assignments-2 MODE1 tied DGND and MODE2 tied DVDD : I2C mode5PCM514x pin assignments-3 MODE1 tied DGND and MODE2 tied DGND : Hardwired mode6ABSOLUTE MAXIMUM RATINGS8THERMAL CHARACTERISTICS8ELECTRICAL CHARACTERISTICS9TYPICAL CHARACTERISTICS13APPLICATION INFORMATION16Typical Application Circuits16Analog Outputs19Voltage Reference and Ouptut Levels19Mode Switching Sequence, From VREF Mode to VCOM Mode19Recommended Output Filter for the PCM514x20Reset and System Clock Functions20Power-On Reset Function20System Clock Input22System Clock PLL Mode23Clock Generation and PLL23PLL Calculation25Examples25Audio Data Interface35Audio Serial Interface35PCM Audio Data Formats and Timing36Function Descriptions41PCM514x Audio Processing Options41Overview41Software41Interpolation Filter42Fixed Audio Processing Flow (Program 5)55Processing Blocks – Detailed Descriptions55Biquad Section56Dynamic Range Compression58Stereo Mixer60Stereo Multiplexer60Mono Mixer61Master Volume Control61Miscellaneous Coefficients62Analog Gain Control62Digital Volume Control62Emergency Ramp Down63Zero Data Detect63Power Save Modes64Power Save Parameter Programming65XSMT Pin (Soft Mute / Soft Un-Mute)65External Power Sense Undervoltage Protection mode (supported only when DVDD = 3.3V)66Recommended Powerdown Sequence67Planned Shutdown67Unplanned Shutdown68Software Control68SPI Interface68Register Read/Write Operation69I2C Interface72Slave Address72Register Address Auto-Increment Mode72Packet Protocol72Write Register73Read Register73Timing Characteristics73PCM514x Register Map75Detailed Register Descriptions80Taille: 2,3 MoPages: 110Language: EnglishOuvrir le manuel
