BU26154MUV_15 Datasheet, PDF (50/90 Pages) Rohm – Monaural Audio CODEC with Touch Panel Interface

BU26154MUV
Datasheet
COEFSEL
In BU26154, an A side, a B side prepare filter setting at the time of the reproduction, a volume setting register. The
register value of the A side, in the case of "1", I use a register level of the B side when this bit is "0".
COEFSEL
Explanation
0x0
It uses the register A side.
0x1
It uses the register B side.
AVREN
It controls power-up / down of the Rch analog volume.
AVREN
Explanation
0x0
Rch analog volume power down
0x1
Rch analog volume power up
SPMDSEL
It sets the speaker amplifier to D class or AB class. At the time of the change, set SPEN=0 before setting SPMDSEL.
SPMDSEL
Explanation
0x0
Set speaker amplifier to AB-class.
0x1
Set speaker amplifier to D-class.
Thermal Shutdown Control Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(initial)
0x00 0x2c 0x2d
-
-
-
-
-
-
-
TSDEN
-
-
-
-
-
-
-
1
TSDEN
It controls a thermal shut down function.
Setting
Explanation
0x0
disable
0x1
enable
Zero Cross Comparator Power Management Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0x2e 0x2f
-
-
-
-
-
-
ZCEN
-
-
-
-
-
-
-
0
-
This register sets ON/OFF of the zero cross function of the digital volume.
ZCEN
This function is effective for EFFECT VOLUME and RDATT
Setting
Explanation
0
disable
1
enable
MICBIAS Voltage Control Register
MAPCON
INDEX
b07
b06
b05
b04
b03
b02
b01
b00
R
W
(Initial)
0x0
0x30 0x31
-
-
-
-
-
-
MICBCON
-
-
-
-
-
-
0
0
This register sets the output voltage reading of the microphone bias.
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26.Oct.2015 Rev.002