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6PA3100IRHBRQ1 数据表(PDF) 57 Page - Texas Instruments |
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6PA3100IRHBRQ1 数据表(HTML) 57 Page - Texas Instruments |
57 / 101 page LD(n) LD (n+1) BIT CLOCK DATA N - 1 N - 2 N - 3 2 1 0 3 N - 1 N - 2 N - 3 0 3 2 1 N - 1 N - 2 N - 3 3 RD(n) WORD CLOCK LEFT CHANNEL RIGHT CHANNEL LD(n) LD(n+1) BIT CLOCK DATA - 1 - 2 - 3 2 1 0 3 - 1 - 2 - 3 0 3 2 1 - 1 - 2 N N N N N N N N N - 3 RD(n) WORD CLOCK LEFT CHANNEL RIGHT CHANNEL LD(n)=n'thsampleofleftchanneldata RD(n)=n'thsampleofrightchanneldata LD(n) LD (n+1) BIT CLOCK DATA - 1 - 2 - 3 2 1 0 3 - 1 - 2 - 3 0 3 2 1 - 1 - 2 N N N N N N N N N - 3 3 RD(n) WORD CLOCK LEFT CHANNEL RIGHT CHANNEL LD(n)=n'thsampleofleftchanneldata RD(n)=n'thsampleofrightchanneldata TLV320DAC3100-Q1 www.ti.com SLAS896A – JULY 2013 – REVISED AUGUST 2013 Figure 5-31. Timing Diagram for DSP Mode Figure 5-32. Timing Diagram for DSP Mode With Offset = 1 Figure 5-33. Timing Diagram for DSP Mode With Offset = 0 and Bit Clock Inverted For the DSP mode, the number of bit clocks per frame should be greater than or equal to twice the programmed word length of the data. Also, the programmed offset value should be less than the number of bit clocks per frame by at least the programmed word length of the data. 5.7.2 Primary and Secondary Digital Audio Interface Selection The audio serial interface on the TLV320DAC3100-Q1 has extensive I/O control to allow communication with two independent processors for audio data. The processors can communicate with the device one at a time. This feature is enabled by register programming of the various pin selections. Table 5-29 shows the primary and secondary audio interface selection and registers. Figure 5-34 is a high-level diagram showing the general signal flow and multiplexing for the primary and secondary audio interfaces. Table 5-29. Primary and Secondary Audio Interface Selection Desired Pin Possible Page 0 Registers Comment Function Pins R27/D2 = 1 Primary WCLK is output from codec Primary WCLK WCLK (OUT) R33/D5–D4 Select source of primary WCLK (DAC_fs or secondary WCLK) Copyright © 2013, Texas Instruments Incorporated APPLICATION INFORMATION 57 Submit Documentation Feedback Product Folder Links: TLV320DAC3100-Q1 |
类似零件编号 - 6PA3100IRHBRQ1 |
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类似说明 - 6PA3100IRHBRQ1 |
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