BD9406KS2 Datasheet, PDF (4/38 Pages) Rohm – 28bit Audio DSP with Built-in 2ch ADC, 6ch DAC and ASRC

BU9406KS2
●Block diagram
Technical Note
60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
XO 61
DVDDIO1 62
BCKI3 63
LRCKI3 64
DATAI4 65
BCKI4 66
LRCKI4 67
AMCLKI1 68
AMCLKI2 69
DVDDCOR１ 70
REG15 71
DVDDREG 72
LDOPOFF 73
DGNDREG 74
AMCLKI3 75
AMCLKI4S 76
AMCLKOA 77
AMCLKOB 78
AMCLKOC 79
DVDDIO2 80
Clock Gen.
Coef. RAM
Data RAM
I/F Logic
ASRC
LDO
15
DSP
DSP Program
Logic
(G/A)
x8 Over
Sampling
Digital Filter
x8 Over
Sampling
Digital Filter
x8 Over
Sampling
Digital Filter
Monitor
&
Command
I/F
I/F
Logic
PLL_ASRC
PLL_ASRC
Stereo
ADC
ΔΣ
Stereo
DAC
ΔΣ
Stereo
DAC
16bit
Stereo
DAC
40 DVDDIO3
39 ERROR
38 AVDDDAL3
37 AOUTL3
36 AGNDDAL3
35 VREFDA3
34 AGNDDAR3
33 AOUTR3
32 AVDDDAR3
31 AVDDDAL2
30 AOUTL2
29 AGNDDAL2
28 VREFDA2
27 AGNDDAR2
26 AOUTR2
25 AVDDDAR2
24 AVDDDA1
23 AOUTL1
22 AOUTR1
21 AGNDDA1
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Fig.2 Block diagram
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2012.03 - Rev.A