User Manual

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MAX98089
Low-Power, Stereo Audio Codec
with FlexSound Technology
Table 1. Register Map (continued)
REGISTER B7 B6 B5 B4 B3 B2 B1 B0 ADDRESS DEFAULT R/W PAGE
Left Speaker
Amplifier
Volume
Control
SPLM 0 0 SPVOLL 0x3D 0x00 R/W 102
Right
Speaker
Amplifier
Volume
Control
SPRM 0 0 SPVOLR 0x3E 0x00 R/W 102
MICROPHONE AGC
Configuration AGCSRC AGCRLS AGCATK AGCHLD 0x3F 0x00 R/W 74, 75
Threshold ANTH AGCTH 0x40 0x00 R/W 75
SPEAKER SIGNAL PROCESSING
Excursion
Limiter Filter
0 DHPUCF 0 0 DHPLCF 0x41 0x00 R/W 104
Excursion
Limiter
Threshold
0 0 0 0 0 DHPTH 0x42 0x00 R/W 104
ALC ALCEN ALCRLS ALCMB ALCTH 0x43 0x00 R/W 93, 104
Power Limiter PWRTH 0 PWRK 0x44 0x00 R/W 105
Power Limiter PWRT2 PWRT1 0x45 0x00 R/W 106
Distortion
Limiter
THDCLP 0 0 0 THDT1 0x46 0x00 R/W 107
CONFIGURATION
Audio Input INADIFF INBDIFF 0 0 0 0 0 0 0x47 0x00 R/W 72
Microphone MICCLK DIGMICL DIGMICR 0
0 EXTMIC 0x48 0x00 R/W 70
Level Control VS2EN VSEN ZDEN 0 0 0 EQ2EN EQ1EN 0x49 0x00 R/W 94, 113
Bypass
Switches
INABYP 0 0 MIC2BYP 0 0 RECBYP SPKBYP 0x4A 0x00 R/W
71,
112
Jack
Detection
JDETEN 0 0 0 0 0 JDEB 0x4B 0x00 R/W 115
POWER MANAGEMENT
Input Enable INAEN INBEN 0 0 MBEN 0 ADLEN ADREN 0x4C 0x00 R/W 67
Output
Enable
HPLEN HPREN SPLEN SPREN RECLEN RECREN DALEN DAREN 0x4D 0x00 R/W 68
Top-Level
Bias Control
BGEN
SPREGEN VCMEN BIASEN 0 0 0 JDWK 0x4E 0xF0 R/W 68
DAC Low
Power Mode 1
DAI2_DAC_LP DAI1_DAC_LP 0x4F 0x00 R/W 87
DAC Low
Power Mode 2
0 0 0 0
DAC2_IP_
DITH_EN
DAC1_IP_
DITH_EN
CGM2_
EN
CGM1_
EN
0x50 0x0F R/W 87
System
Shutdown
SHDN VBATEN 0 0
PERFMODE HPPLYBACK PWRSV8K PWRSV 0x51 0x00 R/W
67,
116