BU9414FV Datasheet, PDF (5/61 Pages) Rohm – 32bit Audio DSP

BU9414FV
Technical Note
●Pin Description(s)
No. Name
Description of terminals
Type No.
Name
Description of terminals Type
1 N.C
(*2)
- _{21 ADDR}
I²C Slave address selection ^B
2 LRCKI
I²S Audio LR signal input
D
3 SDATA1
I²S Audio data input 1
D
4 SDATA2
I²S Audio data input 2
D
5 RESETX
Reset status with “L”
B
6 MUTEX_SP DAC mute signal input(*1)
B
7 MUTEX_DAC SP mute signal input(*1)
B
8 SCLI
I²C Forwarding clock input
F
9 SDAI
I²C Data input output
E
10 VSS1
Digital I/O GND
-
11 DVDDCORE Connect to REG15 terminal
-
12 REG15
Built-in regulator voltage output ^G
13 LDOPOFF Built-in regulator POFF signal ^G
terminal
22 SPDIFO
S/PDIF Signal output
C
23 N.C
-
24 N.C
-
25 N.C
-
26 N.C
-
27 N.C
-
28 SDAO
2 line serial data output（*1） ^C
29 SCLO
2 line serial clock output（*1） ^C
30 MUTEX_DACO DAC mute signal output(*1)
C
31 MUTEX_SPO SP mute signal output(*1)
C
32 RESETXO
Reset signal output(*1)
C
33 SDATAO2
I²S Audio data output 2
C
input
14 ANATEST Analog test monitor terminal
G _{34 SDATAO1}
I²S Audio data output 1
C
15 VDD
Digital I/O power supply
- _{35 LRCKO}
I²S Audio LR signal output 1 ^C
16 N.C
- _{36 BCKO}
I²S Audio clock output 1
C
17 N.C
- _{37 SYSCLKO}
System clock output（*1）
C
18 PLLFIL
Filter connection terminal for PLL ^G 38 VSS3
Digital I/O GND
-
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