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WM8721 数据表(PDF) 9 Page - Wolfson Microelectronics plc |
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WM8721 数据表(HTML) 9 Page - Wolfson Microelectronics plc |
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9 / 34 page ![]() WM8721 Product Preview WOLFSON MICROELECTRONICS LTD PP Rev 1.3 November 2000 9 SDIN SCLK t 3 t 1 t 6 t 2 t 7 t 5 t 4 t 3 t 8 RESETB t 9 t 10 Figure 5 Program Register Input Timing – 2-Wire MPU Serial Control Mode Test Conditions AVDD, HPVDD, DBVDD = 3.3V, AGND = 0V, DCVDD = 1.5V, DGND = 0V, TA = +25 oC, Slave Mode, fs = 48kHz, MCLK = 256fs unless otherwise stated. PARAMETER SYMBOL TEST CONDITIONS MIN TYP MAX UNIT Program Register Input Information SCLK Frequency 0 400 kHz SCLK Low Pulsewidth t1 600 ns SCLK High Pulsewidth t2 1.3 us Hold Time (Start Condition) t3 600 ns Setup Time (Start Condition) t4 600 ns Data Setup Time t5 100 ns SDIN, SCLK Rise Time t6 300 ns SDIN, SCLK Fall Time t7 300 ns Setup Time (Stop Condition) t8 600 ns RESETB rising edge to Start t9 600 ns Data Hold Time t10 900 ns |
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