W681307 Datasheet, PDF (99/160 Pages) Winbond – USB1.1 CODEC Microprocessor Control Unit with 32KB Mask ROM and 4KB RAM

W681307
13.4.5.3
Address
0x14E3
AGC_MAX_SG
Access Mode Value At Reset Nominal Value
R/W
0x02
0x0A
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
Reserved
AGC_MAX_SG
The AGC module has maximum gain to amplifier the echo cancelled input signal.
13.4.5.4
Address
0x14E4
Specific Register
Access Mode Value At Reset Nominal Value
R/W
0x0F
0x00
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
Reserved
Reserved
Reserved
*Blocked for test modes. Set the 4 bits to 1.
Reserved
*Blocked for test modes
13.4.5.5
AGC_LG_ATTACK_TC
Address
0x14E5
Access Mode Value At Reset Nominal Value
R/W
0x0B
0x33
Bit 7
Bit 6
Bit 5
Bit 4
AGC_LG_ATTACK_TC_POS
Bit 3
Bit 2
Bit 1
Bit 0
AGC_LG_ATTACK_TC_NEG
AGC_LG_ATTACK_TC_NEG
AGC_LG_ATTACK_TC_POS
The field defines the inertial delay utilized for the long term gain estimation when the AGC gain is
increasing. Raising the value of this field reduces the inertial and will make the estimation more
responsive while lowering the field will cause the gain estimation algorithm to be less responsive to
bursts of gain on the AGC.
The field defines the inertial delay utilized for the long term gain estimation when the AGC gain is
decreasing. Raising the value of this field reduces the inertial and will make the estimation more
responsive while lowering the field will cause the gain estimation algorithm to be less responsive to
bursts of gain on the AGC.
13.4.5.6
Address
0x14E6
AGC_ST_ATTACK_TC
Access Mode Value At Reset Nominal Value
R/W
0x09
0x09
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
RESERVED
AGC_ST_ATTACK_TC
Attack time for short term AGC power estimation. This field defines the inertial delay utilized for the short term AGC power estimation.
Raising the value of this field reduces the inertial and will make the estimation more responsive while lowering the field will cause the
power estimation algorithm to be less responsive to bursts of energy on the AGC.
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Publication Release Date: May, 2007
Revision 1.3