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TSC2101
SLAS392D JUNE 2003 REVISED MAY 2005
www.ti.com
60
BIT
FUNCTION
READ/
WRITE
RESET
VALUE
NAME
D1
DASTC
0
R/W
DAC Channel PGA Softstepping control
0 => 0.5 dB change every WCLK
1 => 0.5 dB change every 2 WCLK
D0
ADGAF
0
R
Headset/Aux or Handset PGA Flag
1 => Gain applied = PGA register setting.
0 => Gain applied ≠ PGA Register setting
Note: This flag indicates when the softstepping for PGA is completed.
When AGC is enabled for Headset/Aux or Handset, this bit is readonly and acts as Saturation
Flag. The read value of this bit indicates the following
0 => AGC is not saturated
1 => AGC is saturated (PGA has reached –12 dB or max PGA applicable).
REGISTER 05H: CODEC Power Control
BIT
NAME
RESET VALUE
READ/WRITE
FUNCTION
D15
MBIAS_HND
1
R/W
MICBIAS_HND Powerdown Control
0 => MICBIAS_HND is powered up.
1 => MICBIAS_HND is powered down.
D14
MBIAS_HED
1
R/W
MICBIAS_HED Powerdown Control
0 => MICBIAS_HED is powered up.
1 => MICBIAS_HED is powered down.
D13
ASTPWD
1
R/W
Analog Sidetone Powerdown Control
0 => Analog sidetone powered up
1 => Analog sidetone powered down
D12
SP1PWDN
1
R/W
SPK1(SingleEnded)/OUT32N(Differential) Powerdown Control
0 => SPK1/OUT32N is powered up
1 => SPK1/OUT32N is powered down
D11
SP2PWDN
1
R/W
SPK2 Powerdown Control
0 => SPK2 is powered up
1 => SPK2 is powered down
D10
DAPWDN
1
R/W
DAC Powerdown Control
0 => DAC powered up
1 => DAC powered down
D9
ADPWDN
1
R/W
ADC Powerdown Control
0 => ADC powered up
1 => ADC powered down
D8
VGPWDN
1
R/W
Driver Virtual Ground Powerdown Control
0 => VGND is powered up
1 => VGND is powered down
D7
COPWDN
1
R/W
CP_OUT Powerdown Control
0 => CP_OUT is powered up
1 => CP_OUT is powered down
D6
LSPWDN
1
R/W
Loudspeaker (8 Driver) Powerdown Control
0 => Loudspeaker (8 driver) is powered up
1 => Loudspeaker (8 driver) is powered down
D5
ADPWDF
1
R
ADC Power Down Flag
0 => ADC power down is not complete
1 => ADC power down is complete
D4
LDAPWDF
1
R
DAC Left Power Down Flag
0 => DAC left power down is not complete
1 => DAC left power down is complete
D3
RDAPWDF
1
R
DAC Right Power Down Flag
0 => DAC right power down is not complete
1 => DAC right power down is complete
D2
ASTPWF
1
R
Analog Sidetone Power Down Flag
0 => Analog sidetone power down is not complete
1 => Analog sidetone power down is complete