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CS42888-CQZR Fiches technique(PDF) 7 Page - Cirrus Logic |
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CS42888-CQZR Fiches technique(HTML) 7 Page - Cirrus Logic |
7 / 61 page DS717F2 7 CS42888 DAC_SDIN1 DAC_SDIN2 DAC_SDIN3 DAC_SDIN4 17 16 15 14 DAC Serial Audio Data Input (Input) - Input for two’s complement serial audio data. DAC_SCLK 18 DAC Serial Clock (Input/Output) - Serial clock for the DAC serial audio interface. Input fre- quency must be 256xFs in the TDM digital interface format. DAC_LRCK 19 DAC Left/Right Clock (Input/Output) - Determines which channel, Left or Right, is currently active on the DAC serial audio data line. Signals the start of a new TDM frame in the TDM digital interface format. AUX_LRCK 20 Auxiliary Left/Right Clock (Output) - Determines which channel, Left or Right, is currently active on the Auxiliary serial audio data line. Derived from the ADC serial port and equals Fs. AUX_SCLK 21 Auxiliary Serial Clock (Output) - Serial clock for the Auxiliary serial audio interface. AUX_SDIN 22 Auxiliary Serial Input (Input) - Provides an additional serial input for two’s complement serial audio data. Used only in the TDM digital interface format. AOUT1 +,- AOUT2 +,- AOUT3 +,- AOUT4 +,- AOUT5 +,- AOUT6 +,- AOUT7 +,- AOUT8 +,- 26, 25 27, 28 30, 29 31, 32 34, 33 36, 37 38, 39 40, 41 Differential Analog Output (Output) - The full-scale analog output level is specified in the Ana- log Characteristics table. Each leg of the differential outputs may also be used single-ended. MUTEC 35 Mute Control (Output) - Used as a control for external mute circuits to prevent the clicks and pops that can occur in any single supply system. AGND 42, 56 Analog Ground (Input) - Ground reference for the analog section. VQ 43 Quiescent Voltage (Output) - Filter connection for internal quiescent reference voltage. VA 44, 53 Analog Power (Input) - Positive power supply for the analog section. See “Digital I/O Pin Char- acteristics” on page 8. AIN1 +,- AIN2 +,- AIN3 +,- AIN4 +,- 46, 45 48, 47 50, 49 52, 51 Differential Analog Input (Input) - Signals are presented differentially or single-ended to the Delta-Sigma modulators. The full-scale input level is specified in the Analog Characteristics specification table. FILT+_DAC 54 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling cir- cuits of the DAC. FILT+_ADC 55 Positive Voltage Reference (Output) - Positive reference voltage for the internal sampling cir- cuits of the ADC. TSTN 57, 58 59, 60 Test In - This pin is an input used for test purposes only. It must be tied to ground for normal operation. INT 61 Interrupt (Output) - Signals either an ADC overflow condition has occurred in one or more of the ADC inputs, or a clocking error has occurred in the DAC/ADC as specified in the Interrupt regis- ter. SCL/CCLK 63 Serial Control Port Clock (Input) - Serial clock for the control port interface. SDA/CDOUT 64 Serial Control Data I/O (Input/Output) - Input/Output for I²C data. Output for SPI data. |
Numéro de pièce similaire - CS42888-CQZR |
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Description similaire - CS42888-CQZR |
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