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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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ALC202 датащи(PDF) 3 Page - List of Unclassifed Manufacturers |
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ALC202 датащи(HTML) 3 Page - List of Unclassifed Manufacturers |
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3 / 29 page  Preliminary Avance Logic, Inc. ALC202 - 3 - Rev0.62 http://www.realtek.com.tw CD-L I 18 CD audio Left channel Analog input (1Vrms) CD-GND I 19 CD audio analog GND Analog input (1Vrms) CD-R I 20 CD audio Right channel Analog input (1Vrms) MIC1 I 21 First Mic input Analog input (1Vrms) MIC2 I 22 Second Mic input Analog input (1Vrms) LINE-L I 23 Line input Left channel Analog input (1Vrms) LINE-R I 24 Line input Right channel Analog input (1Vrms) LINE-OUTL O 35 Line-Out Left channel ALC202: Analog output without op-amp (1.0Vrms) ALC202A: Analog output with op-amp (1.4Vrms) LINE-OUTR O 36 Line-Out Right channel ALC202: Analog output without op-amp (1.0Vrms) ALC202A: Analog output with op-amp (1.4Vrms) HP-OUT-L O 39 Headphone Out – Left (ALC202) True-LINE-Out-Left (ALC202A) ALC202: Analog output with op-amp ALC202A: Analog output without op-amp HP-OUT-R O 41 Headphone Out – Left (ALC202) True-LINE-Out-Left (ALC202A) ALC202: Analog output with op-amp ALC202A: Analog output without op-amp MONO-OUT O 37 Speaker Phone output Analog output (1Vrms) 2.3 Filter/References: 7 pins Name Type Pin No Description Characteristic Definition VREF 27 Reference voltage 1uf capacitor to analog ground VREFOUT O 28 Ref. voltage out with 8mA drive Analog output (2.25V – 2.75V) AFILT1 29 ADC anti-aliasing filter capacitor 1000pf capacitor to analog ground. AFILT2 30 ADC anti-aliasing filter capacitor 1000pf capacitor to analog ground. VRAD 31 ADC reference voltage capacitor 1uf capacitor to analog ground VRDA 32 DAC reference voltage capacitor 1uf capacitor to analog ground 2.4 Power/Ground: 8 pins Name Type Pin No Description Characteristic Definition AVDD1 I 25 Analog VDD (5.0V or 3.3V) AVDD2 I 38 Analog VDD (5.0V or 3.3V) AVSS1 I 26 Analog GND AVSS2 I 42 Analog GND DVDD1 I 1 Digital VDD (3.3V) DVDD2 I 9 Digital VDD (3.3V) DVSS1 I 4 Digital GND DVSS2 I 7 Digital GND 2.5 Others: 1 pin Name Type Pin No Description Characteristic Definition TEST O 48 Output DAC clock and ADC clock Digital pin shared with SPDIFO NC 33,40,34 No Connection. 2.6 Crystal (Clock) Source Selection: 1 pin Name Type Pin No Description Characteristic Definition XTLSEL I 46a Crystal Selection Internal pull high by a 50K resistor. ¶ XTLSEL: XTLSEL=floating, the clock source is 24.576MHz crystal or external clock. (Default) XTLSEL=pull low, select 14.318MHzà24.576MHz digital PLL The default state of MX7A.15 if power on latched inversely from XTLSEL. |
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