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AK4640 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AK4640 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
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6 / 76 page  ASAHI KASEI [AK4640] MS0273-E-00 2004/03 - 6 - PIN/FUNCTION (AK4640VG) No. Pin Name I/O Function A1 NC - No Connect. No internal bonding. This pin should be left floating. B1 EXT I External Microphone Input Pin C1 MPE O MIC Power Supply Pin for External Microphone C2 MPI O MIC Power Supply Pin for Internal Microphone D1 INT I Internal Microphone Input Pin D2 VCOM O Common Voltage Output Pin, 0.45 x AVDD Bias voltage of ADC inputs and DAC outputs. E1 AVSS - Analog Ground Pin E2 AVDD - Analog Power Supply Pin F2 AVDD - Analog Power Supply Pin F1 PVDD - PLL Power Supply Pin G2 PVSS - PLL Ground Pin G1 VCOC O Output Pin for Loop Filter of PLL Circuit This pin should be connected to PVSS with one resistor and capacitor in series. H1 CAD0 I Chip Address 0 Select Pin J1 NC - No Connect. No internal bonding. This pin should be left floating. J2 PDN I Power-Down Mode Pin “H”: Power up, “L”: Power down reset and initializes the control register. CSN I Chip Select Pin (I2C pin = “L”) H2 CAD1 I Chip Address 1 Select Pin (I2C pin = “H”) CCLK I Control Data Clock Pin (I2C pin = “L”) H3 SCL I Control Data Clock Pin (I2C pin = “H”) CDTI I Control Data Input Pin (I2C pin = “L”) J3 SDA I/O Control Data Input Pin (I2C pin = “H”) H4 CDTO O Control Data Output Pin (I2C pin = “L”) J4 I2C I Control Mode Select Pin “H”: I 2C Bus, “L”: 4-wire Serial H5 SDTI I Audio Serial Data Input Pin J5 SDTO O Audio Serial Data Output Pin J6 LRCK I/O Input / Output Channel Clock Pin H6 BICK I/O Audio Serial Data Clock Pin H7 NC - No Connect. No internal bonding. This pin should be left floating. J7 MCKO O Master Clock Output Pin H8 DVDD - Digital Power Supply Pin |
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