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AV2636 Scheda tecnica(PDF) 2 Page - List of Unclassifed Manufacturers |
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AV2636 Scheda tecnica(HTML) 2 Page - List of Unclassifed Manufacturers |
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2 / 16 page ![]() AV2636 Product Datasheet PIN CONFIGURATION AV2636 14 1 13 2 12 3 11 4 10 5 9 6 8 7 SF SD SC NC VCM AOUTR GND MCK FMTD FMTC MODE MUTE AOUTL VDD PIN DESCRIPTION Pin Name Pin Type Description SF 1 Digital Input Sample rate frame clock input. SD 2 Digital Input Audio data input. It can be 16/18/20/24 bit in 2’s complement format. SC 3 Digital Input Serial audio data bit clock input. (NC) 4 - No Connection VCM 5 Analog Output Common mode voltage output. Connect to 10uF cap in parallel with 0.1uF cap. AOUTR 6 Analog Output Right channel analog audio signal output. GND 7 Supply Ground supply. Need a solid ground plane. VDD 8 Supply Power supply. Need a clean power supply. AOUTL 9 Analog Output Left channel analog audio signal output. MUTE 10 Digital Input Mute control with internal pull down. High = Mute on. Low = Mute off. MODE 11 Digital Input Chip operation mode selection with internal pull down. High = Programmable mode. Low = Auto-detect mode. FMTC 12 Digital Input Dual functional pin. Its function is controlled by the MODE pin. Internal pull up. When MODE = High, FMTC = Serial clock in control interface. When MODE = Low, FMTC = De-Emphasis: On (high) / Off (low). FMTD 13 Digital I/O Dual functional pin. Its function is controlled by the MODE pin. Internal pull up. Needs an external 4.7kΩ to VDD. When MODE = High, FMTD = Serial data in control interface. When MODE = Low, FMTD = Data input format select: High = 16-24 bit I2S or 16 bit DSP ‘early’ Low = 16 bit right justified or 16 bit DSP ‘late’ MCK 14 Digital Input External master clock input. The clock frequency depends on the audio sample rate. AVS Technology, Inc. 2-16 August 18, 2004 www.avstech.com |
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