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CS42448-CQZ Datasheet(PDF) 6 Page - Cirrus Logic |
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CS42448-CQZ Datasheet(HTML) 6 Page - Cirrus Logic |
6 / 64 page 6 DS648F3 CS42448 1. PIN DESCRIPTIONS Pin Name # Pin Description AD0/CS 1 Address Bit [0]/ Chip Select (Input) - Chip address bit in I²C Mode. Control signal used to select the chip in SPI Mode. AD1/CDIN 2 Address Bit [1]/ SPI Data Input (Input) - Chip address bit in I²C Mode. Input for SPI data. RST 3 Reset (Input) - The device enters a low power mode and all internal registers are reset to their default settings when low. VLC 4 Control Port Power (Input) - Determines the required signal level for the control port. See “Digital I/O Pin Characteristics” on page 8. ADC_LRCK 5 ADC Left/Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the ADC serial audio data line. Signals the start of a new TDM frame in the TDM digital interface format. VD 6, 24 Digital Power (Input) - Positive terminal of the power supply for the digital section. DGND 7, 23, 62 Digital Ground (Input) - Ground terminal of the power supply for the digital section. VLS 8 Serial Port Interface Power (Input) - Determines the required signal level for the serial inter- faces. See “Digital I/O Pin Characteristics” on page 8. ADC_SCLK 9 ADC Serial Clock (Input/Output) - Serial clock for the ADC serial audio interface. Input frequency must be 256xFs in the TDM digital interface format. MCLK 10 Master Clock (Input) - Clock source for the delta-sigma modulators and digital filters. ADC_SDOUT1 ADC_SDOUT2 ADC_SDOUT3 13 12 11 Serial Audio Data Output (Output) - Outputs for two’s complement serial audio data. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 ADC_SCLK ADC_LRCK VLC AD1/CDIN VQ VLS MCLK DAC_SDIN4 DAC_SDIN3 DAC_SDIN2 AIN1- AIN1+ MUTEC AOUT7+ AOUT7- AOUT6- AOUT6+ AOUT5+ AOUT5- 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 AGND VA AOUT8- AOUT8+ RST ADC_SDOUT3 ADC_SDOUT2 ADC_SDOUT1 AD0/CS VD DGND AIN2- AIN2+ CS42448 |
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