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