BD9406KS2 Datasheet, PDF (5/38 Pages) Rohm – 28bit Audio DSP with Built-in 2ch ADC, 6ch DAC and ASRC

BU9406KS2
Technical Note
●Pin Description(s)
No.
Name
Description of terminals ^Type
1 DGNDIO2 Digital I/O GND2
－
2 MODE
Test mode select pin
A
3 SCANTEST Digital test mode select pin
A
4 SDA
I²C data I/O pin
D
5 SCL
6 I2CADR1
I²C transfer clock input pin
D
I²C slave address select pin 1 B
7 I2CADR2
I²C slave address select pin 2 B
8 RESETB
“L” -> Reset condition
C
9 DVDDPLL PLL power supply
－
10 FILT1
11 DGNDPLL
PLL_ASRC filter connect G
terminal 1
PLL GND
－
12 FILT2
13 ANATEST
14 AVDDAD1
PLL_ASRC filter connect G
terminal 2
Analog test mode select pin
G
Audio ADC power supply 1
－
15 AGNDAD1 Audio ADC GND 1
－
16 AINL
Analog signal Lch input pin
G
17 VREFAD
ADC reference voltage pin
G
18 AINR
Analog signal Rch input pin
G
19 AGNDAD2 Audio ADC GND 2
－
20 AVDDAD2 Audio ADC power supply 2
－
21 AGNDDA1 Audio DAC GND 1
－
22 AOUTR1
Audio DAC Rch output pin 1
G
23 AOUTL1
Audio DAC Lch output pin 1
G
24 AVDDDA1 Audio DAC power supply 1
－
25 AVDDDAR2 Audio DAC Rch power supply 2 －
26 AOUTR2
Audio DAC Rch output pin 2
G
27 AGNDDAR2 Audio DAC Rch GND 2
－
28 VREFDA2 DAC reference voltage 2
G
29 AGNDDAL2 Audio DAC Lch GND 2
－
30 AOUTL2
Audio DAC Lch output pin 2
G
31 AVDDDAL2 Audio DAC Lch power supply 2 －
32 AVDDDAR3 Audio DAC Rch power supply 3 －
33 AOUTR3
Audio DAC Rch output pin3
G
34 AGNDDAR3 Audio DAC Rch GND 3
－
35 VREFDA3 DAC reference voltage 3
G
36 AGNDDAL3 Audio DAC Lch GND 3
－
37 AOUTL3
Audio DAC Lch output pin 3
G
38 AVDDDAL3 Audio DAC Lch power supply 3 －
39 ERROR
Sampling frequency input error D
pin
40 DVDDIO3 Digital I/O power supply 3
－
No.
Name
41 DGNDIO3
42 DATAOC
43 BCKOC
44 LRCKOC
45 DATAOB
46 BCKOB
47 LRCKOB
48 DATAOA
49 BCKOA
50 DVDDCOR2
51 LRCKOA
52 DATAI1
53 BCKI1
54 LRCKI1
55 DATAI2
56 BCKI2
57 LRCKI2
58 DATAI3
59 DGNDIO1
60 XI
61 XO
62 DVDDIO1
63 BCKI3
64 LRCKI3
65 DATAI4
66 BCKI4
67 LRCKI4
68 AMCLKI1
69 AMCLKI2
70 DVDDCOR1
71 REG15
72 DVDDREG
73 LDOPOFF
74 DGNDREG
75 AMCLKI3
76 AMCLKI4S
77 AMCLKOA
78 AMCLKOB
79 AMCLKOC
80 DVDDIO2
Description of terminals
Type
Digital I/O GND 3
－
I²S audio data output C
D
I²S audio bit transfer clock output D
C
I²S audio LR sampling clock D
output C
I²S audio data output B
D
I²S audio bit transfer clock output D
B
I²S audio LR sampling clock D
output B
I²S audio data output A
D
I²S audio bit transfer clock output D
A
Connects with REG15 Pin
－
I²S audio LR sampling clock D
output A
I²S audio data input 1
E
I²S audio bit transfer clock input 1 E
I²S audio LR sampling clock input E
1
I²S audio data input 2
E
I²S audio bit transfer clock input 2 E
I²S audio LR sampling clock input E
2
I²S audio data input 3
E
Digital I/O GND1
－
X’tal connecting (input) terminal F
X’tal connecting terminal
F
Digital I/O power supply 1
－
I²S audio bit transfer clock input 3 E
I²S audio LR sampling clock input E
3
I²S audio data input 4
E
I²S audio bit transfer clock input 4 E
I²S audio LR sampling clock input E
4
I²S synchronous clock input 1
E
I²S synchronous clock input 2
E
Connects with REG15 Pin
－
Built in regulator voltage output G
Power supply for built in regulator －
Power off signal input for G
regulator
GND for built in regulator
－
I²S synchronous clock input 3
E
I²S synchronous clock Input 4 or E
S/PDIF output
I²S synchronous clock output A D
I²S synchronous clock output B D
I²S synchronous clock output C D
Digital I/O power supply 2
－
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2012.03 - Rev.A