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ES9218P Datasheet(PDF) 33 Page - ESS Technology,Inc |
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ES9218P Datasheet(HTML) 33 Page - ESS Technology,Inc |
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33 / 101 page  ES9218P Datasheet CONFIDENTIAL ADVANCE INFORMATION 1.8 December 6, 2018 33 ESS TECHNOLOGY, INC. 237 South Hillview Drive, Milpitas, CA 95035, USA Tel (408) 643-8800 • Fax (408) 643-8801 XIN/MCLK Timing t MCH t MCL t MCY MCLK t MCH t MCL t MCY MCLK Figure 8. Clock Timing Parameter Symbol Min Max Unit MCLK pulse width high TMCH 9.0 90 ns MCLK pulse width low TMCL 9.0 90 ns MCLK cycle time TMCY 20 200 ns MCLK duty cycle 45:55 55:45 5������������������ ≤ ������������������������ ≤ 50������������������ Audio Interface Timing L t DCH t DCL t DCY DATA_CLK t DH t DS DATA[8:1] Valid Invalid Valid t DCH t DCL t DCY DATA_CLK t DH t DS DATA[8:1] Valid Invalid Valid DATA_CLK DATA[2:1] Parameter Symbol Min Max Unit DATA_CLK pulse width high tDCH 9.0 ns DATA_CLK pulse width low tDCL 9.0 ns DATA_CLK cycle time tDCY 20 ns DATA_CLK duty cycle 45:55 55:45 DATA set-up time to DATA_CLK rising edge tDS 4.1 ns DATA hold time to DATA_CLK rising edge tDH 2 ns Figure 9. Audio Interface Timing Notes: • Audio data on DATA[2:1] are sampled at the rising edges of DATA_CLK and must satisfy the setup and hold time requirements relative to the rising edge of DATA_CLK • For DSD Phase mode, the normal data (D0, D1, D2) must satisfy the setup and hold time requirements relative to the rising edge of DATA_CLK. The complimentary data (D0, D1, etc.) will be ignored. |
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