전자부품 데이터시트 검색엔진 |
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STA330 데이터시트(PDF) 7 Page - STMicroelectronics |
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STA330 데이터시트(HTML) 7 Page - STMicroelectronics |
7 / 55 page STA330 Connection diagrams and pin descriptions 7/55 31 POWERFAULT/ EAPD Digital output Power fault signal (active high) / External audio power-down signal 32 TM Digital input Test mode (active high) 33 I2CDIS Digital input I2C disable pin (active high) 34 SCL Digital input I2C serial clock 35 SDA Digital input/output I2C serial data 36 SELCLK33 Digital input Master clock input selector: SELCLK33 = 1 -> MCLK33 selected SELCLK33 = 0 -> XTI selected 37 MCLK33 Digital input Master clock input 3.3-V capable XTI: crystal input or master clock input 3.3-V capable 38 XTI Digital input Crystal input or master clock input 39 XTO Digital output Crystal output 40 FILT Analog input/output PLL loop filter terminal 41 GNDPLL Ground PLL analog ground 42 VDDPLL Supply PLL analog supply 43 GND2 Ground Digital ground 44 VDD2 Supply Digital supply 45 SDATAI Digital input Input serial audio interface data 46 SDATAO Digital output Output serial audio interface data 47 LRCLKI Digital input/output Input serial audio interface L/R-clock 48 LRCLKO Digital input/output Output serial audio interface L/R-clock (volume UP when I2CDIS=1) 49 GNDIO2 Ground I/O ring ground 50 VDDIO2 Supply I/O ring supply 51 BICLKI Digital input/output Input serial audio interface bit-clock 52 BICLKO Digital input/output Output serial audio interface bit-clock (volume DOWN when I2CDIS=1) EP Ground Exposed pad ground Table 2. Pin list (continued) Pin # Name Type Description |
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