W681307DG Datasheet, PDF (106/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM.

W681307
13.4.7.10
Address
0x14F6
ShortTermPostAcousticPowerAttackTC
Access Mode Value At Reset Nominal Value
R/W
0x07
0x0B
Bit 7
RESERVED
Bit 6
RESERVED
Bit 5
RESERVED
Bit 4
RESERVED
Bit 3
Bit 2
Bit 1
Bit 0
ShortTermPostAcousticPowerAttackTC[3:0]
ShortTermPostAcousticPowerAttackTC[3:0] is the time constant which is used to calculate the short term acoustic power for DT Soft Clip.
13.4.7.11
Address
0x14F7
DTSC Attack TC
Access Mode Value At Reset Nominal Value
R/W
0x07
0x05
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED RESERVED RESERVED RESERVED
DTSC_AttackTC[3:0]
When soft clip gain is switched between normal and low, an embedded smoothing function is used to smooth the gain change.
DTSC_AttackTC[3:0] is a time constant to control the smoothing speed.
13.5
13.5.1
Acoustic Side / Network Side Power Measurement
ACOUSTIC_SHORT_TERM_POWER
Address
Access Mode Value At Reset Nominal Value
0x15C0- 0x15C1
R
0x0000
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
Bit 9
Bit 8
C0
ACOUSTIC_SHORT_TERM_POWER
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
C1
ACOUSTIC__SHORT_TERM_POWER
Short Term Acoustic Power calculated by the double talk detector (DT).
13.5.2
ACOUSTIC_LONG_TERM_POWER
Address
Access Mode Value At Reset Nominal Value
0x15C2- 0x15C3
R
0x0000
Bit 15
Bit 14
Bit 13
Bit 12
Bit 11
Bit 10
- 106 -
Bit 9
Bit 8
Publication Release Date: May, 2007
Revision 1.3