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AKD7770 Datasheet(PDF) 7 Page - Asahi Kasei Microsystems |
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AKD7770 Datasheet(HTML) 7 Page - Asahi Kasei Microsystems |
7 / 22 page [AK7770] MS0699-E-01-PB 2008/06 - 7 - No. Pin name I/O Function Classification 26 LRCLK1 I Left/Right Clock Input 1 Pin System clock 27 CLK1 I Master Clock 1 Pin 28 BITCLK1 I Bit Clock 1 Pin 29 SDIN1 I Serial Data Input 1 Pin Serial data 30 LRCLK2 I Left/Right Clock Input 2 Pin System clock 31 CLK2 I Master Clock 2 Pin 32 BITCLK2 I Bit Clock 2 Pin 33 SDIN2 I Serial Data Input 2 Pin 34 CAD1 I I2C Bus Address Pin 1 I2C interface 35 CAD0 I I2C Bus Address Pin 0 I2C interface 36 SCL I I2C Clock Pin I2C interface 37 DVDD - Digital Power Supply Pin 3.3V(typ) 38 VSS3 - Digital Ground Pin 0V 39 DVDD18 - Digital Power Supply Pin 1.8V(typ) Digital power supply 40 SDA I/O I2C Bus Data Clock Pin SDA goes to “Hi-Z” during initial reset. I2C interface 41 HPEN O Headphone Detect Output Pin Initial reset for headphone search is determined by the state of HDT Headphones 42 STO O Status Output Pin When HDT = “H”, STO = “L” When HDT = “L”, STO = “H” The output in initial reset is “H” Status 43 TX O S/PDIF transmitter Output Pin S/PDIF data is output when SELTX [1:0] bit= “00”. “L” during initial rest. TX 44 DVDD - Digital Power Supply Pin 3.3V(typ) 45 VSS3 - Digital Ground Pin 0V 46 DVDD18 - Digital Power Supply Pin 1.8V(typ) Digital power supply 47 SDIN3 I Serial Data Input 3 Pin Serial data 48 BITCLK3 I Bit Clock 3 Pin 49 CLK3 I Master Clock 3 Pin 50 LRCLK3 I Left/Right Clock 3 Pin System clock 51 CKM [1] I Clock Mode Selection Pin Connect to GND. Mode selection 52 TESTI3 I Test Pin This pin must be connected to DVDD. Test |
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