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AK7714 Datasheet(PDF) 6 Page - Asahi Kasei Microsystems |
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AK7714 Datasheet(HTML) 6 Page - Asahi Kasei Microsystems |
6 / 48 page [ASAHI KASEI] [AK7714] M0018-E-00 ‘98/07 - 6 - Pin No. Pin name I/O Function Classification 23 SDIN1 I DSP Serial data input pin (Pulldown) Compatible with MSB first/LSB first 24, 20 and 16 bits 24 SDIN2 I DSP Serial data input pin (Pulldown) Compatible with MSB first/LSB first 24, 20 and 16 bits Digital section Serial input data 27 XTI I Master clock input pin Connect a crystal oscillator between this pin and the XTO pin, or input the external CMOS clock signal XTI pin. The clock frequency can be selected by the CKS0 and CKS1 pins. 28 XTO O Crystal oscillator output pin When a crystal oscillator is used, connect it between the XTI pin and this pin. When the external clock is used, keep this pin open. System clock 30,31 DVSS - Digital Ground 32,33 DVDD - +5 V Digital Power supply Power supply 34 OPCL I ADC/DAC connection selector pin (Pulldown) OPCL="L" (Leave open or connect to DVSS.): Connected OPCL="H": Disconnected Control 35 CLKO O Clock output pin Outputs the XTI clock. Allows the output to be set to "L" using the CTRL0 and CTRL1 pins. Others 36 LRCLK I/O LR channel select Clock pin SMODE="L": Slave mode: Inputs the fs clock. SMODE="H": Master mode: Outputs the fs clock. 37 BITCLK I/O Serial bit clock pin SMODE="L": Slave mode: Inputs 64 fs or 48 fs clocks. SMODE="H": Master mode: Outputs 64 fs clocks. System clock 39 DRDY O Output data ready pin for microcomputer interface. 40 SO O Serial data output pin for microcomputer interface (compatible with Hi-Z) Hi-Z state is obtained when CS =”H". 41 RDY O Data write ready output pin for microcomputer interface (compatible with Hi-Z) Hi-Z state is obtained when CS =”H”. Microcomputer interface |
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