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WM8352 数据表(PDF) 32 Page - Wolfson Microelectronics plc |
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WM8352 数据表(HTML) 32 Page - Wolfson Microelectronics plc |
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32 / 336 page ![]() WM8352 Production Data w PD, February 2011, Rev 4.4 32 10 SIGNAL TIMING REQUIREMENTS 10.1 SYSTEM CLOCK TIMING MCLK tMCLKL tMCLKH tMCLKY Figure 14 Master Clock Timing Master Clock Timing PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT MCLK cycle time TMCLKY 40 ns MCLK duty cycle = high time / low time 60:40 40:60 10.2 AUDIO INTERFACE TIMING - MASTER MODE Figure 15 Digital Audio Data Timing – Master Mode Test Conditions DCVDD = 1.8V, DBVDD = 3.3V, DGND = 0V, TA = +25 oC, Master Mode, fs = 48kHz, 24-bit data, unless otherwise stated. PARAMETER SYMBOL MIN TYP MAX UNIT BCLK rise time (10pF load) tBCLKR 3 ns BCLK fall time (10pF load) tBCLKF 3 ns BCLK duty cycle tBCLKDS 60:40 40:60 LRC propagation delay from BCLK falling edge tDL 10 ns ADCDAT propagation delay from BCLK falling edge tDDA 10 ns DACDAT setup time to BCLK rising edge tDST 10 ns DACDAT hold time from BCLK rising edge tDHT 10 ns |
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