SC7314
SDETAILED DESCRIPTION OF DATA BYTES
1. Volume
MSB
LSB
A0
0
Function
0
0
B2
B1
B0
A2
0
A1
0
Volume 1.25dB steps
0
0
0
1
•1.25
0
1
0
•2.5
0
1
1
•3.75
1
0
0
•5
1
0
1
•6.25
1
1
0
•7.5
1
1
1
•8.75
0
0
B2
0
B1
0
B0
0
A2
A1
A0
Volume 10dB steps
0
0
0
1
•10
•20
•30
•40
•50
•60
•70
0
1
0
0
1
1
1
0
0
1
0
1
1
1
0
1
1
1
For example, a volume of –45dB is given by: 00100100
2. Speaker attenuators
MSB
LSB
A0
A0
0
Function
1
1
1
1
0
1
B1
B1
B0
B0
A2
A2
0
A1
A1
0
Speaker ATT L
Speaker ATT R
0
•1.25
•2.5
•3.75
•5
0
0
1
0
1
0
0
1
1
1
0
0
1
0
1
•6.25
•7.5
•8.75
0
1
1
0
1
1
1
0
0
1
1
1
0
1
0
1
1
•10
•20
•30
1
1
1
MUTE
For example, attenuation of 25dB on speaker R is given by: 11110100
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
REV:1.1
2007.09.25
Http: www.silan.com.cn
Page 9 of 14
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