max9860 Maxim Integrated Products, Inc., max9860 Datasheet - Page 26

• Manufacturer Part Number: max9860
• Description: 16-bit Mono Audio Voice Codec
• Manufacturer: Maxim Integrated Products, Inc.

16-Bit Mono Audio Voice Codec
The MAX9860 includes digital gain adjustment for the
playback and record paths. Independent gain
Table 8. Digital Level Control Registers
26
REGISTER ADDRESS
______________________________________________________________________________________
BITS
DVA
0x09
0x0A
0x0B
DAC Level Adjust
Adjusts the digital audio level before being converted by the DAC. The least significant bit of DVA is
always 0.
Digital Level Control
B7
CODE
0x0A
0x0C
0x1A
0x1C
0x2A
0x2C
0x3A
0x3C
0
0x00
0x02
0x04
0x06
0x08
0x0E
0x10
0x12
0x14
0x16
0x18
0x1E
0x20
0x22
0x24
0x26
0x28
0x2E
0x30
0x32
0x34
0x36
0x38
0x3E
B6
ADCRL
GAIN
DVG
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-28
+3
+2
+1
-1
-2
-3
-4
-5
-6
-7
-8
-9
0
B5
adjustment is provided for the two record channels.
Sidetone gain adjustment is also provided to set the
sidetone level relative to the playback level.
CODE
0x4A
0x4C
0x5A
0x5C
0x5E
0x60
0x62
0x64
0x66
0x68
0x6A
0x6C
0x6E
0x70
0x72
0x74
0x76
0x78
0x7A
0x7C
0x7E
0x40
0x42
0x44
0x46
0x48
0x4E
0x50
0x52
0x54
0x56
0x58
B4
FUNCTION
DVA
B3
GAIN
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
-40
-41
-42
-43
-44
-45
-46
-47
-48
-49
-50
-51
-52
-53
-54
-55
-56
-57
-58
-59
-60
DVST
B2
ADCLL
≥ 0xBC
CODE
0x8C
0x9C
0xAA
0xAC
0xAE
0xBA
0x8A
0x8E
0x9A
0x9E
0xA0
0xA2
0xA4
0xA6
0xA8
0xB0
0xB2
0xB4
0xB6
0xB8
0x80
0x82
0x84
0x86
0x88
0x90
0x92
0x94
0x96
0x98
—
B1
MUTE
GAIN
-61
-62
-63
-64
-65
-66
-67
-68
-69
-70
-71
-72
-73
-74
-75
-76
-77
-78
-79
-80
-81
-82
-83
-84
-85
-86
-87
-88
-89
-90
—
B0