Datasheet

Data Sheet SSM2518
Rev. A | Page 33 of 48
VOLUME AND MUTE CONTROL REGISTER
Address: 0x07, Reset: 0x81, Name: Volume_Mute_Control
Table 20. Bit Descriptions for Volume_Mute_Control
Bits Bit Name Settings Description Reset Access
7 AMUTE
Automatic Mute Enable. After 2048 slots (1024 stereo samples) have been
received with zero data, the outputs mute until nonzero data arrives.
0x1 RW
0 Automute enabled
1 Automute disabled
6 RESERVED Reserved. 0x0 RW
5 ANA_GAIN
Analog Gain. This sets the full-scale output level of the amplifier. The two
settings are scaled appropriately for 3.6 V and 5.0 V nominal supply
voltages.
0x0 RW
0 Matched to 3.6 V supply
1 Matched to 5.0 V supply
4 DEEMP_EN Digital De-Emphasis Filter. 0x0 RW
0 De-emphasis disabled (normal operation)
1 De-emphasis enabled
3 VOL_LINK
Volume Link. When this bit is enabled, both channels respond to the left
channel volume register.
0x0 RW
0 Normal operation
1 Both channels linked to L_VOL (Register 0x05)
2 R_MUTE Right Channel Soft Mute. 0x0 RW
0 Normal operation
1 Right channel muted
1 L_MUTE Left Channel Soft Mute. 0x0 RW
0 Normal operation
1 Left channel muted
0 M_MUTE Master Mute Control. This bit soft mutes both channels. 0x1 RW
0 Normal operation
1 Master mute