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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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WM8581 датащи(PDF) 18 Page - Wolfson Microelectronics plc |
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WM8581 датащи(HTML) 18 Page - Wolfson Microelectronics plc |
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18 / 100 page  WM8581 Production Data w PD Rev 4.0 April 2007 18 CONTROL INTERFACE TIMING – 3-WIRE MODE Figure 4 SPI Compatible Control Interface Input Timing Test Conditions AVDD, PVDD = 5V,DVDD = 3.3V, AGND, PGND,DGND = 0V, TA = +25 oC, fs = 48kHz, MCLK and ADCMCLK = 256fs unless otherwise stated PARAMETER SYMBOL MIN TYP MAX UNIT SCLK rising edge to CSB rising edge tSCS 60 ns SCLK pulse cycle time tSCY 80 ns SCLK duty cycle 40/60 60/40 ns SDIN to SCLK set-up time tDSU 20 ns SDIN hold time from SCLK rising edge tDHO 20 ns SDO propagation delay from SCLK rising edge tDL 5 ns CSB pulse width high tCSH 20 ns CSB rising/falling to SCLK rising tCSS 20 ns SCLK glitch suppression tps 2 8 ns Table 6 3-wire SPI Compatible Control Interface Input Timing Information CONTROL INTERFACE TIMING – 2-WIRE MODE Figure 5 Control Interface Timing – 2-Wire Serial Control Mode t 3 t 1 t 6 t 9 t 2 t 5 t 7 t 3 t 4 t 8 SDIN SCLK CSB SCLK SDIN t DHO t DSU t CSH t SCY t SCS LSB t CSS SDO t DL LSB t CSS |
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