Datasheet

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TLV320AIC20, TLV320AIC21
TLV320AIC24, TLV320AIC25
TLV320AIC20K, TLV320AIC24K
SLAS363D – MARCH 2002 – REVISED APRIL 2005
Control Register 6A Bit Summary
RESET
BIT NAME FUNCTION
VALUE
Headset input to output
D6 HDSI2O 0 HDSI2O = 0 The headset input is not connected to the headset output.
HDSI2O = 1 The headset input is connected to the headset output.
Handset input to output
D5 HNSI2O 0 HNSI2O = 0 The handset input is not connected to the handset output.
HNSI2O = 1 The handset input is connected to the handset output.
Caller ID input select
D4 CIDI 0 CIDI = 0 The caller ID input is not connected to ADC channel.
CIDI = 1 The caller ID input is connected to ADC channel.
Line input select
D3 LINEI 0 LINEI = 0 The line driver input is not connected to ADC channel.
LINEI = 1 The line driver input is connected to ADC channel.
MIC input select
D2 MICI 0 MICI = 0 The microphone input is not connected to ADC channel.
MICI = 1 The microphone input is connected to ADC channel.
Handset input select
D1 HNSI 0 HNSI = 0 The handset input is not connected to ADC channel.
HNSI = 1 The handset input is connected to ADC channel
Headset input select
D0 HDSI 0 HDSI = 0 The headset input is not connected to ADC channel.
HDSI = 1 The headset input is connected to ADC channel.
Control Register 6B
(1)
D7 D6 D5 D4 D3 D2 D1 D0
1 Reserved ASTOHD ASTOHN SPKO LINEO HNSO HDSO
R/W R R/W R/W R/W R/W R/W R/W
(1) NOTE: R = Read, W = Write
Control Register 6B Bit Summary
RESET
BIT NAME FUNCTION
VALUE
D6 Reserved 0
Analog sidetone output select for headset. This bit connects the analog sidetone to headset output.
D5 ASTOHD 0 ASTOHD = 0. The analog sidetone is not connected to headset output.
ASTOHD = 1. The analog sidetone is connected to headset output.
Analog sidetone output select for handset. This bit connects the analog sidetone to handset output.
D4 ASTOHN 0 ASTOHN = 0. The analog sidetone is not connected to handset output.
ASTOHN = 1. The analog sidetone is connected to handset output.
Speaker output select. This bit connects the DAC output to the 8- Ω speaker driver
D3 SPKO 0 SPKO = 0 The speaker driver output is not connected to DAC channel.
SPKO = 1 The speaker driver output is connected to DAC channel.
Line output select. This bit connects the DAC output to the 600- Ω line driver
D2 LINEO 0 LINEO = 0 The line driver output is not connected to DAC channel.
LINEO = 1 The line driver output is connected to DAC channel.
Handset output select. This bit connects the DAC output to the 150- Ω handset driver
D1 HNSO 0 HNSO = 0 The handset driver output is not connected to DAC channel.
HNSO = 1 The handset driver output is connected to DAC channel.
Headset output select. This bit connects the DAC output to the 150- Ω headset driver
D0 HDSO 0 HDSO = 0 The headset driver output is not connected to DAC channel.
HDSO = 1 The headset driver output is connected to DAC channel.
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