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LC78857V Fiches technique(PDF) 6 Page - Sanyo Semicon Device |
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LC78857V Fiches technique(HTML) 6 Page - Sanyo Semicon Device |
6 / 11 page Input Setup 1. Digital audio data input The digital audio data is a 16-bit serial signal in an MSB-first two’s complement format. The 16-bit serial data is input from the DATA pin to an internal register on the rising edge of the BCLK signal, and is read in on the rising and falling edges of the LRCK signal. 2. Mode setup The method used to set the speed (normal/double), deemphasis, and digital attenuator settings differs depending on the state of the mode pin (MODE). • When MODE is low: serial input mode In this mode, the speed (normal/double), deemphasis, and digital attenuator settings are set by inputting serial data to the DAT/MT pin. <Data Format> Notes:DAT/MT and SH/EMP: These pins must be held fixed (low or high) at all times other than the data transfer period (t1 in the figure). LAT/ND: This pin must be held high at all times other than during data acquisition. • A0 (ND): Normal/double speed flag • A1 (EMP): Deemphasis flag The deemphasis function supports operation at fs = 44.1 kHz. No. 5537-6/11 LC78857V Digital Audio Data Input Timing *: The SH/EMP signal may also have the form shown by the dotted line. A0 (ND) Normal/double speed L Normal speed H Double speed A1 (EMP) Deemphasis L Off H On Attenuator data |
Numéro de pièce similaire - LC78857V |
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Description similaire - LC78857V |
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