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WM8580 데이터시트(PDF) 15 Page - Wolfson Microelectronics plc |
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WM8580 데이터시트(HTML) 15 Page - Wolfson Microelectronics plc |
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15 / 103 page ![]() Production Data WM8580 w PD Rev 4.5 February 2008 15 CONTROL INTERFACE TIMING – 3-WIRE MODE CSB SCLK SDIN t DHO t DSU tCSH tSCY t SCS LSB SDO tDL LSB t CSS t CSU tCSM 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 falling edge tDL 5 ns CSB pulse width high tCSH 20 ns SCLK to CSB low (required for read cycle) set-up time tCSU 20 ns CSB min (write cycle only) tCSM 0.5* tSCY 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 |
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