Texas Instruments TLV320DAC23, TLV320AIC23 manual Power Down Register, Audio Format Register

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Power Down Register

The Apply button sends the current bit values shown on the Analog Control panel to the Audio (Digital) register section of the register panel. The OK button performs the same function as the Apply button and simultaneously closes the register panel.

Figure 4–7. Digital Control

4.6.9Power Down Register

Address: 0000110

D7 sets the device power. D6 sets CLK. D5 sets the oscillator. D4 sets the outputs. D3 sets the DAC. D2 sets the ADC. D1 sets the microphone input. D0 sets the line input.

Clicking the Send Data button sends only the power down data without clicking the Apply button.

4.6.10Audio (Format) Register

Address: 0000111

D6 sets master/slave (0 = slave, 1 = master). D5 sets the DAC left/right swap (0 = disabled, 1 = enabled). D4 sets the DAC left/right phase (0 = right channel on, LRCIN high, 1 = LRCIN low). In DSP mode (0 = MSB is available on the first BCLK rising edge after an LRCIN rising edge, 1 = MSB is available on the second BCLK rising edge after an LRCIN rising edge). D3–D2 set the input word length (00 = 16b, 01 = 20b, 10 = 24b, 11 = 32b). D1–D0 set the data format (11 = DSP; 10 = I2S; 01 = MSB first, left aligned; 00 = MSB first, right aligned).

Clicking the Format Control button opens a Format Control panel (see Figure 4–8) that allows setting all the audio format parameters without reference to their bit values. The Format Control button in the audio format register box is functionally identical to the Format Control button on the main panel (see Section 4.4.16).

The Cancel button undoes any changes that have been made in register bit values, so the register panel matches the current state of the EVM registers.

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Contents User’s Guide Important Notice EVM Important Notice EVM Warnings and Restrictions How to Use This Manual Read This FirstAbout This Manual Related Documentation From Texas InstrumentsTrademarks Contents Figures Introduction Page Quick Start-Up Page Theory of Operation TopicTLV320AIC23 EVM2 Parts Location Diagram Photographs of EVM TLV320AIC23 EVM2 Top ViewTLV320AIC23 EVM2 Bottom View Parallel Port Interface Board Top View Analog Connections Jumper SettingsTLV320AIC23 EVM2 Power TLV320AIC23 EVM2 Features Digital I/OMaster Clock Digital LoopbackPage Software DASCCTAIC23 Installation AIC23/DAC23 EVM2 Connection Diagram DASCCTAIC23 Start-Up DASCCTAIC23 OverviewMain Panel About ButtonLine Input Volume HeadPhone VolumeReset Button Message Area9 I2C Adjust Button Normal Mode and USB Mode Radio Buttons10 I2C Bypass Check Box DataLog On Check BoxFrequency Display Areas I2C AdjustClock Select Button Preset Modes View RegistersMode Files 6 OK, Apply, and Cancel Buttons Vol Line Input RegisterVol HeadPhone Register Audio Analog RegisterAnalog Control Audio Digital RegisterPower Down Register Audio Format RegisterFormat Control Sampling Rate RegisterClock Setup Interface Activate RegisterI2C Error Messages Device can be undeterminedPage Kit Contents TLV320AIC23 EVM2 Kit Contents Bill of Materials Description Qty Part Number Mfr Ref. DesERJ-8RQJ3R3V Circuit Card and Schematic Thu Nov 29 104853 Thu Nov 29 104627 Thu Nov 29 104713 Page
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