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