Datasheet

ADAU1381
Rev. B | Page 43 of 84
CONTROL REGISTER MAP
All registers except the PLL control register are 1-byte write and read registers.
Table 27.
Address
Hex Decimal Name
0x4000 16384 Clock control
0x4001 16385 Regulator control
0x4002 16386 PLL control (48-bit register)
0x4008 16392 Digital microphone and analog beep control
0x4009 16393 Record power management
0x400E 16398 Record gain left PGA
0x400F 16399 Record gain right PGA
0x4010 16400 Microphone bias control and beep enable
0x4015 16405 Serial Port Control 0
0x4016 16406 Serial Port Control 1
0x4017 16407 Converter Control 0
0x4018 16408 Converter Control 1
0x4019 16409 ADC control
0x401A 16410 Left ADC attenuator
0x401B 16411 Right ADC attenuator
0x401C 16412 Playback mixer left control
0x401E 16414 Playback mixer right control
0x401F 16415 Playback mono mixer control
0x4020 16416 Playback clamp amplifier control
0x4025 16421 Left line output mute
0x4026 16422 Right line output mute
0x4027 16423 Playback speaker output control
0x4028 16424 Beep zero-crossing detector control
0x4029 16425 Playback power management
0x402A 16426 DAC control
0x402B 16427 Left DAC attenuator
0x402C 16428 Right DAC attenuator
0x402D 16429 Serial Port Pad Control 0
0x402E 16430 Serial Port Pad Control 1
0x402F 16431 Communication Port Pad Control 0
0x4030 16432 Communication Port Pad Control 1
0x4031 16433 MCKO control
0x4032 16434 Dejitter control
0x4080 16512 Digital Power-Down 0
0x4081 16513 Digital Power-Down 1
0x40C6 to 0x40CA 16582 to 16586 GPIO pin control
0x03E8 to 0x03EC 1000 to 1004 GPIO pin value registers
0x40E9 to 0x40EA 16617 to 16618 Nonmodulo registers
0x40EB 16619 Sound engine frame rate
0x40F2 16626 Serial input route control
0x40F3 16627 Serial output route control
0x40F4 16628 Serial data/GPIO pin configuration
0x40F6 16630 Sound engine run
0x40F8 16632 Serial port sampling rate