BD5446EFV
Technical Note
●GAIN1 pin, GAIN2 pin, GAIN3 pin function
GAIN3
(18pin)
GAIN2
(17pin)
GAIN1
(16pin)
L
L
L
L
L
H
L
H
L
L
H
H
H
L
L
H
L
H
H
H
L
H
H
H
Speaker output gain
20dB
22dB
24dB
26dB
28dB
30dB
32dB
34dB
●SEL_DAC pin function
SEL_DAC
(21pin)
OUT_DAC1 (23pin)
L
The Lch signal of SDATA1 is output
H
The Lch signal of SDATA2 is output
OUT_DAC2 (24pin)
The Rch signal of SDATA1 is output
The Rch signal of SDATA2 is output
●RESETX pin function
RESETX
(10pin)
L
H
State of Digital block
Reset ON
Reset OFF
●RESETX pin
RESETX
(12pin)
L
H
State of Digital block
Reset ON
Reset OFF
●PDX pin,MUTEX pin function
PDX
(12pin)
MUTEX
(11pin)
L
L or H
H
L
H
H
Power Down
ON
OFF
DAC output
(24,25pin)
HiZ_Low
Normal operation
PWM output
(33,34,38,39,43,44,48pin)
HiZ_Low
Normal operation
●IIS_LJ pin function
IIS_LJ
(15pin)
L
H
Digital data format
I2S
Left Justified
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© 2011 ROHM Co., Ltd. All rights reserved.
11/31
2011.06 - Rev.C