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WM8785GEDS/V датащи(PDF) 9 Page - Wolfson Microelectronics plc |
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WM8785GEDS/V датащи(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 31 page ![]() Production Data WM8785 w PD Rev 4.1 December 2006 9 AUDIO INTERFACE TIMING – SLAVE MODE, PCM DATA Figure 3 Digital Audio Data Timing – Slave Mode Test Conditions DVDD = 3.3V, DGND = 0V, TA = +25 oC, Slave Mode, fs = 48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated. PARAMETER SYMBOL MIN TYP MAX UNIT Audio Data Input Timing Information BCLK cycle time tBCY 25 ns LRCLK set-up time to BCLK rising edge tLRSU 10 ns LRCLK hold time from BCLK rising edge tLRH 10 ns DOUT propagation delay from BCLK falling edge tDD 0 11 ns CONTROL INTERFACE TIMING – 3-WIRE MODE CSB SCLK SDIN t CSL t DHO t DSU t CSH t SCY t SCH t SCL t SCS LSB t CSS Figure 4 Control Interface Timing – 3-Wire Serial Control Mode Test Conditions DVDD = 3.3V, DVDD = 3.3V, DGND = 0V, TA = +25 oC, Slave Mode, fs = 48kHz, MCLK = 256fs, 24-bit data, unless otherwise stated. PARAMETER SYMBOL MIN TYP MAX UNIT Program Register Input Information SCLK rising edge to CSB rising edge tSCS 80 ns SCLK pulse cycle time tSCY 200 ns SCLK pulse width low tSCL 80 ns SCLK pulse width high tSCH 80 ns SDIN to SCLK set-up time tDSU 40 ns SCLK to SDIN hold time tDHO 40 ns CSB pulse width low tCSL 40 ns CSB pulse width high tCSH 40 ns CSB rising to SCLK rising tCSS 40 ns Pulse width of spikes that will be suppressed tps 4 6 ns |
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