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WM8802SCFV 数据表(PDF) 62 Page - Wolfson Microelectronics plc |
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WM8802SCFV 数据表(HTML) 62 Page - Wolfson Microelectronics plc |
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62 / 65 page ![]() WM8802 Product Preview w PP Rev 1.1 April 2004 62 RECOMMENDED EXTERNAL COMPONENTS 21 22 23 24 37 38 39 40 20 35 36 33 34 31 32 29 30 27 28 25 26 WM8802 DO DI CE CL SLRCK SDIN RLRCK SBCK RDATA Analogue to Digital Digital to Analogue 24.576 MHz / 12.288 MHz Rf Rp C l C l Rd Rp Rp Rp Microcontroller Chip address setting Chip address setting Demodulation function master/slave setting Modulation/general-purpose I/O function selection Cc Cc Microcontroller DVDD Analogue to Digital Digital Signal Processing 12 11 10 9 8 7 6 5 4 3 2 1 Cc Optical Input Coaxial Input C i R i Cc DVDD DVDD 14 15 13 LPF AGND C 0 C 1 R 0 AVDD Cc AVDD 17 16 RMCK RBCK 18 19 DGND DVDD Cc DVDD 44 45 46 47 48 TXO/GPIOEN TMCK/GPIO0 TBCK/GPIO1 TLRCK/GPIO2 TDATA/GPIO3 42 43 DVDD DGND Cc DVDD 41 XMODE Figure 34 External Component Diagram SAMPLE APPLICATION A de-coupling capacitor (0.1 µF) should be connected as close as possible to the power supply pin. Use a ceramic capacitor with high-frequency characteristics.. A capacitor with a low temperature coefficient should be used for the PLL loop filter. |
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