BU9409FV_12 Datasheet, PDF (5/58 Pages) Rohm – 32bit Audio DSP

BU9409FV
Technical Note
●Pin Description(s)
No.
Name
1 N.C
Description of terminals
(*2)
Type No.
Name
- _{21 ADDR}
Description of terminals
Type
I²C Slave address selection ^B
terminal
2 LRCKI
I²S Audio LR signal input
D _{22 SPDIFO}
S/PDIF Signal output
C
3 SDATA1
I²S Audio data input 1
D _{23 N.C}
-
4 SDATA2
I²S Audio data input 2
D _{24 N.C}
-
5 RESETX
Reset status with “L”
B _{25 N.C}
-
6 MUTEX_SP DAC mute signal input(*1)
B _{26 N.C}
-
7 MUTEX_DAC SP mute signal input(*1)
B _{27 N.C}
-
8 SCLI
I²C Forwarding clock input
F _{28 SDAO}
2 line serial data output（*1）
C
9 SDAI
I²C Data input output
E _{29 SCLO}
2 line serial clock output（*1） ^C
10 VSS1
Digital I/O GND
- _{30 MUTEX_DACO DAC mute signal output(*1)}
C
11 DVDDCORE Connect to REG15 terminal
-
31 MUTEX_SPO
SP mute signal output(*1)
C
12 REG15
Built-in regulator voltage output ^G 32 RESETXO
Reset signal output(*1)
C
13 LDOPOFF Built-in regulator POFF signal ^G 33 SDATAO2
I²S Audio data output 2
C
14 ANATEST
15 VDD
16 N.C
17 N.C
18 PLLFIL
input
Analog test monitor terminal
G
Digital I/O power supply
-
-
-
Filter connection terminal for ^G
34 SDATAO1
35 LRCKO
36 BCKO
37 SYSCLKO
38 VSS3
I²S Audio data output 1
C
I²S Audio LR signal output 1
C
I²S Audio clock output 1
C
System clock output（*1）
C
Digital I/O GND
-
PLL
19 VSS2
Digital I/O GND
- _{39 MCLK}
Master clock input
H
20 MODE
Test mode selection input
A _{40 BCKI}
I²S Audio clock input
D
N.C.：Non Connection
(*1)：signal terminal is used with D class amplifier IC (BD5446EFV etc.) for input I2S made by Rohm.
(*2) ：It connects with the lead frame of a package. Please use by OPEN or GND connection.
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2012.03 - Rev.A