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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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WM8721 数据表(PDF) 8 Page - Wolfson Microelectronics plc |
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WM8721 数据表(HTML) 8 Page - Wolfson Microelectronics plc |
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8 / 34 page  WM8721 Product Preview WOLFSON MICROELECTRONICS LTD PP Rev 1.3 November 2000 8 MPU INTERFACE TIMING t RSL CSB SCLK SDIN t CSL RESETB t DHO t DSU t CSH t SCY t SCH t SCL t RSD t SCS LSB t CSS Figure 4 Program Register Input Timing - 3-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 RESETB rising edge to CSB falling edge tRSL 500 ns SCLK rising edge to CSB rising edge tSCS 60 ns RESETB rising edge to SDIN edge tRSD 20 ns SCLK pulse cycle time tSCY 80 ns SCLK pulse width low tSCL 20 ns SCLK pulse width high tSCH 20 ns SDIN to SCLK set-up time tDSU 20 ns SCLK to SDIN hold time tDHO 20 ns CSB pulse width low tCSL 20 ns CSB pulse width high tCSH 20 ns CSB rising to SCLK rising tCSS 20 ns |
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