YDA142 Ver la hoja de datos (PDF) - Yamaha Corporation
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YDA142 Datasheet PDF : 18 Pages
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YDA142
■Description of operating functions
●Serial Audio Interface
Sampling Frequency (Fs) Selection
Input an audio signal using SCLK, LRCLK, and SDIN terminals. YDA142 supports three sampling frequencies (Fs):
32kHz, 44.1kHz, and 48kHz. Set the FSSEL terminal as follows in accordance with a Fs of a signal to use. At this time, use
a frequency of 64Fs as a SCLK signal.
FSSEL terminal setting
FSSEL Sampling Frequency (Fs)
L
44.1kHz, 48kHz
H
32kHz
Bit Number Selection
YDA142 supports two bit widths: 16-bit and 18-bit. Set the BITSEL terminal as follows in accordance with a bit width to
use.
BITSEL terminal setting
BITSEL
Input Bit Number
L
16 bits
H
18 bits
Format Selection
YDA142 can select one out of three interface formats: Right-justified MSB first format, Left-justified MSB first format, and
Left-justified (1bit delay) MSB first format. Set the MODE[1:0] as follows in accordance with a digital audio signal format
to use. Fig.1 to Fig.3 shows the details of each format.
MODE[1:0] terminal setting
MODE1
MODE0
L
L
L
H
H
L
H
H
Input Signal Format
Right-justified MSB first
Left-justified MSB first
Left-justified (1bit delay) MSB first
Reserved
Right-justified MSB first
Fig.1 Right-justified MSB First Format
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