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STA538B Folha de dados(PDF) 10 Page - STMicroelectronics |
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STA538B Folha de dados(HTML) 10 Page - STMicroelectronics |
10 / 59 page Connection diagrams and pin descriptions STA538 10/59 2.2.2 Pin description Table 3. Package: VFQFPN52 Pin # Name Type Description 10 RST_N Digital input Reset (active low) 38 XTI Digital input Crystal input or master clock input 37 MCLK33 Digital input Master clock input 3.3 V capable XTI: crystal input or master clock input 3.3 V capable 36 SELCLK33 Digital input Master clock input selector: SELCLK33 = 1 -> MCLK33 selected SELCLK33 = 0 -> XTI selected 39 XTO Digital output Crystal output 11 CLKOUT Digital output Buffered clock output 34 SCL Digital input I2C serial clock 35 SDA Digital input/output I2C serial data 33 I2CDIS Digital input I2C disable pin (active high) 1 STBY Digital input Standby (active high) 14 MUTE Digital input Mute (active high) 51 BICLKI Digital input/output Input serial audio interface bit-clock 47 LRCLKI Digital input/output Input serial audio interface L/R-clock 45 SDATAI Digital input Input serial audio interface data 52 BICLKO Digital input/output Output serial audio interface bit-clock (volume DOWN when I2CDIS=1) 48 LRCLKO Digital input/output Output serial audio interface L/R-clock (volume UP when I2CDIS=1) 46 SDATAO Digital output Output serial audio interface data 32 TM Digital input Test mode (active high) 2 INL Analog input ADC left channel line input or microphone input 3INR Analog input/output ADC right channel line input 4 VBIAS Analog input/output ADC microphone bias voltage 9VCM Analog input/output ADC Common mode voltage 5 AVDD Supply ADC analog supply 8 AGND Ground ADC analog ground 6 VHI Analog input ADC High reference voltage |
Nº de peça semelhante - STA538B |
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Descrição semelhante - STA538B |
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