STA310 STMicroelectronics, STA310 Datasheet - Page 74

IC AUDIO DECODER 6+2CH 80-TQFP

STA310

Manufacturer Part Number
STA310
Description
IC AUDIO DECODER 6+2CH 80-TQFP
Manufacturer
STMicroelectronics
Type
Audio Decoderr
Datasheet

Specifications of STA310

Applications
HDTV, Players, Receivers, Set-Top Boxes
Voltage - Supply, Analog
2.5V
Voltage - Supply, Digital
2.5V
Mounting Type
Surface Mount
Package / Case
80-TQFP, 80-VQFP
Audio Codec Type
MP3 Decoder
No. Of Dacs
3
No. Of Input Channels
2
No. Of Output Channels
6
Adc / Dac Resolution
32bit
Sampling Rate
192kHz
Interface Type
I2C, Serial, Parallel
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-8856
STA310

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0
STA310
KAR_DUET
Duet ON/OFF switch
Address: 0x8A
Type: R/W
Reset value: 0
Description:
The value in this register sets the duet function on or
off. When selected, the duet function is configured by
register KAR_DUETTHRESH.
KAR_DUETTHRESH
Duet threshold control
Address + 0x8B
Type: R/W
Reset delay: 0
Description:
When the Duet function is enabled by the
KAR_DUET register, this register specifies the ampli-
tude of the voice line below which the voice is can-
celled. If the amplitude of the voice line is below this
threshold, the recorded voice is played instead. The
value of DUETTHRESHOLD ranges from 0 to 255,
full scale signal.
KAR_VOICE
Selection of voice effects
Address: 0x8C
Type: R/W
Reset delay: 0x0
74/90
Bitfield
DUET
7
7
7
6
6
6
0: duet off and 1: duet on
Reserved
DUETTHRESHOLD[7:0]
5
5
5
Reserved
4
4
4
Description
3
3
3
MIX VOICEEFF[1:0
2
2
2
1
1
1
]
DUET
0
0
0
Description:
KAR_VDELAY
Programmable delay/decay music effects
Address: 0x8D
Type: R/W
Reset value: 0x0
Description:
The value in this register specifies the delay used for
voice input effects. The delay can be set in the range
from 0 to 2048/Fs seconds (where Fs is the sampling
frequency in KHz).
‘desired time delay’ = ( 2048 / Fs) * ( Value / 256)
which gives:
KAR_VDELAY value = (Fs / 8) * ’desired time delay
For reverberation effects, this register gives the de-
cay factor,which can vary within the range 0 to 1.0.
KAR_VBAL
Programmable mix for echo and chorus effects
Address: 0x8E
Type: R/W
Reset value: 0x3F
VOICEEFF Selecte the voice effects:
MIX
Bitfield
7
7
6
6
0: No effect is applied to the voice input
1: Echo is applied to the voice inputs,
tuned by registers
KAR_VBAL
2: Chorus is applied to the voice inputs,
tuned by registers
KAR_VBAL
3: Reverb is applied to the voice inputs,
tuned by register
Voice channel mixing:
0: No mix, voice is output on centre
channelt
1: Mix music and voice channels into music
channel.
5
5
BALANCE[7:0]
4
4
Value
Description
3
3
KAR_VDELAY.
KAR_VDELAY and
KAR_VDELAY and
2
2
1
1
0
0

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