W681308DG Datasheet, PDF (16/64 Pages) Nuvotem Talema – W681308 USB Audio Controller from Nuvoton integrates fast 8051 Microcontroller Unit (MCU)

W681308
XXXX PRODUCT DESCRIPTION
7.9
Ring Tone (PWM) Control Registers
Address
0x14C0
0x14C2
0x14C3
0x14C4
0x14C5
Name
PWM Clock
PWM Tone1 Control
PWM Tone1
Frequency
PWM Tone2 Control
PWM Tone2
Frequency
Mode
R/W
R/W
R/W
R/W
R/W
Value At
Reset
0x00
0x00
0x00
0x00
0x00
Function
Enable/Disable PWM Operation Clock
Set Tone 1 Volume
Set Tone 1 Frequency
Set Tone 2 Volume
Set Tone 2 Frequency
7.10 Full/Half Duplex Acoustic Echo Cancellation (AEC) Control Registers
Address
0x1600
Name
AEC Configuration
Mode
R/W
Value At
Reset
0x96
Function
Set AEC Configuration parameters
0x1601
AEC Reset Control
R/W
0x08
Set AEC power down and reset function
0x1602
0x1605
0x1606
0x1607~
0x1608
0x1609~
0x160A
0x160B~
0x161C
0X160D~
0x160E
0X160F
0x1610
0x1611
0x1612~
0x1613
AEC Mode Control
R/W
Double Talk Long
Term Power Time
R/W
Constant
Double Talk Short
Term Power Time
R/W
Constant
Double Talk Hangover
Time
R/W
Double Talk Deviation
Threshold
R/W
Double Talk Long
Term Power
R/W
Threshold
Double Talk Short
Term Power
R/W
Threshold
AEC Divergence
Threshold
R
Voice Detect Long
Term Power Time
R/W
Constant
Voice Detect Short
Term Power Time
R/W
Constant
Voice Detect
Hangover Time
R/W
0x03
0x09
0x0B
0x0020
0x19A8
0x0000
0x1010
0x0F
0x09
0x0B
0x0009
Set AEC Full/Half duplex mode and Noise suppressor
Set time constant for long term power estimation of
double talk
Set time constant for short term power estimation of
double talk
Set hangover time window of double talk detection
algorithm
Set deviation power threshold of double talk
Set power threshold for long term power estimation of
double talk
Set power threshold for short term power estimation of
double talk
Set AEC Divergence threshold
Set time constant for long term power estimation of
Voice Detect
Set time constant for short term power estimation of
Voice Detect
Set hangover time window of Voice Detect detection
algorithm
16
Rev1.2