max9867 Maxim Integrated Products, Inc., max9867 Datasheet - Page 37

• Manufacturer Part Number: max9867
• Description: Low-power, Stereo Audio Codec
• Manufacturer: Maxim Integrated Products, Inc.

The MAX9867 incorporates volume and mute control to
allow level control for the playback audio path. Program
Table 10. Line Input Registers (continued)
Table 11. Playback Volume Registers
Left Volume Control
Right Volume Control
REGISTER
LILM/LIRM
LIGL/LIGR
LVOLFIX
BITS
______________________________________________________________________________________
Line-Input Left/Right Playback Mute
0 = Line input is connected to the headphone amplifiers.
1 = Line input is disconnected from the headphone amplifiers.
Line-Input Left/Right Gain
Fix Line Input Volume
0 = Line input to headphone output volume tracks VOLL and VOLR bits.
1 = Line input to headphone output volume fixed at VOLL and VOLR bits.
B7
See the Digital Audio Interface section.
Ultra-Low Power Stereo Audio Codec
0
0
SETTING
0x0
0x1
0x2
0x3
0x4
0x5
0x6
0x7
Playback Volume
VOLLM
VOLRM
B6
B5
GAIN (dB)
+24
+22
+20
+18
+16
+14
+12
+10
B4
registers 0x10 and 0x11 to set the desired volume. See
Table 11.
FUNCTION
B3
VOLR
VOLL
SETTING
B2
0xC
0xD
0x8
0x9
0xA
0xB
0xE
0xF
B1
B0
GAIN (dB)
+8
+6
+4
+2
-2
-4
-6
0
REGISTER
ADDRESS
0x10
0x11
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