W681308DG Datasheet, PDF (14/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
7.4
Gain Stage and Mixer Control Registers
Address
Name
Mode
0x1460
Gain Stage and Mixer
Control
R/W
Value At
Reset
0x00
0x1461~
0x1467
Gain Stage Index
R/W
0x1468~
0x146B
0x146C~
0x146F
MCU Record
MCU Play
R
R/W
7.5
PCM Control Registers
Address
Name
Mode
0x1470
0x1472
PCM Control
PCM Frame
Length
R/W
Sync _R/W
0x00
0x00
0x00
Value At
Reset
0x00
0x00
Function
Enable/Disable Gain Stage for Side tone Gain, CODEC
to AEC Gain, AEC to CODEC Gain, AEC to Mixer Gain,
Mixer to AEC Gain and USB in/USB out Gain. Select
Mixer mode for USB, CODEC and PCM.
Set Audio Gain Index Register Value (Side tone Gain,
CODEC to AEC Gain, AEC to CODEC Gain, AEC to
Mixer Gain, Mixer to AEC Gain, USB in and USB out
Gain)
Enable/Disable MCU to monitor USB ISO In/Out data
Enable/Disable MCU write data to USB and CODEC
Function
Enable/Disable PCM Interface and Bit Clock / Frame
Sync selection
Set Frame Sync pulse length
7.6
CODEC Control Registers
Address
0x1480
0x1481
0x1482~
0x1483
0x1484~
0x1485
0x1488
0x1489
0x148A
0x148B
Name
CODEC control
Dither Control
CODEC ADC Digital
Gain
CODEC DAC Digital
Gain
CODEC MIC Control
CODEC MIC Control
CODEC Speaker
Control
CODEC Analog
Control
Mode
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Value At
Reset
0x00
0x00
Function
Enable/Disable CODEC, Select Sampling Rate and
High Pass Frequency
Enable/Disable Dither Function
0x04 0x00
0x04
0x00
0x00
Set Digital ADC Path Gain
Set Digital DAC Path Gain
Set microphone bias voltage and bias resistor reference
0x00
0x00
0x00
Select MIC interface mode and Set microphone gain
Attenuate speaker phone/ earphone speaker and Set
speaker gain
Enable/Disable CODEC Analog Block
14
Rev1.2