ASAHI KASEI
[AK4702EQ]
LRCK
BICK
SDTI
17 16
1
0
Don’t care
17 16
1
0
Don’t care
17 16
17:MSB, 0:LSB
Lch Data
Rch Data
Figure 4. Mode 2 Timing
LRCK
BICK
SDTI
0
1
17 16
Don’t care
17 16
1
0
Don’t care
17
17:MSB, 0:LSB
Lch Data
Figure 5. Mode 3 Timing
Rch Data
De-emphasis filter
A digital de-emphasis filter is available for 32, 44.1 or 48kHz sampling rates (tc = 50/15µs) and is controlled by the
DEM0 and DEM1 bits.
DEM1
DEM0
Mode
0
0
1
1
0
1
0
1
44.1kHz
OFF
Default
48kHz
32kHz
Table 3. De-emphasis filter control
MS0424-E-00
2005/09
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