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ERR_DEC_NB_2 :
Address : 0x6D (109)
Type : RO - EDF
Software Reset : 0
Description :
This register give the status of the mp3 decoding pro-
cess according the error number written in following
table.
3.13ADPCM_CONFIGURATION registers
description
CHAN_NB :
Address : 0x70 (112)
Type : RW - DEC
Software Reset : 0
Description :
It allows the user to specify the number of channel of
the stream to encode.
stream mono stands for only 1 channel is transmit-
ted, data are also not interleaved.
Encode a stereo stream as mono reduce from an half
the encoded data.
SAMPLING_FREQ. :
Address : 0x71 (113)
Type : RW - DEC
Software Reset : 0
Description :
It allows the user to specify the sampling frequency
of the stream to encode.See table 6 of sample fre-
quencies.
ENC_STATE_REPEAT :
Address : 0x72 (114)
Type : RW - DEC
Software Reset : 0
Description :
It allows the user to specify at which frequency the
state of the encoder should be repeated in the stream
:(1/HOST_ENC_STATE_REPEAT) frame.
b7 b6 b5 b4 b3 b2 b1 b0
ER15 ER14 ER13 ER12 ER11 ER10 ER9 ER8
Event Comment
ER0 == 1 crc_error
ER1 == 1 cutoff_error
ER2 == 1 big_value_error
ER3 == 1 hufftable_error
ER4 == 1 mod_buf_size_error
ER5 == 1 huffman_decode_error
ER6 == 1 dynpart_exchange_error
ER7 == 1 gr_length_error
ER8 == 1 input_bit_available_error
ER9 == 1 ch_length_error
ER10 == 1 head_framelength_error
ER11 == 1 dynpart_length_error
ER12 == 1 block_type_error
ER13 == 1 head_emphasis_error
ER14 == 1 head_samp_freq_error
ER15 == 1 head_layer_error
b7 b6 b5 b4 b3 b2 b1 b0
Value Codec
1 stream mono encoded as mono
2 stream stereo encoded as stereo
5 stream stereo encoded as mono
with left channel.
9 stream stereo encoded as mono
with right channel.
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
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STA016T
ENC_CODEC
:
Address : 0x73 (115)
Type : RW - DEC
Software Reset : 0
Description :
It allows the user to specify the codec to use for the
encoding:
ENC_FRAME_LEN :
Address : 0x74 (116)
Type : RW - DEC
Software Reset : 0
Description :
It allows the user to specify the number of words by
channel included in 1 frame: value from 1 to 15 (mul-
tiplied by 64 inside dsp).
3.14MIX_CONFIGURATION registers
description
MIX_MODE:
Address : 0x75 (117)
Type : RW - ABO
Software Reset : 2
Description :
This register selectes the mode of mix/volume control
:
MIX_DLA:
Address : 0x76 (118)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the direct left attenuation (in
dB).
MIX_DLB:
Address : 0x77 (119)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the left attenuation (in dB) on
rigth channel.
MIX_DRA:
Address : 0x78 (120)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the direct right attenuation (in
dB).
b7 b6 b5 b4 b3 b2 b1 b0
Value Codec
0 Intel/DVI
1 G723_24
2 G721
3 G723_40
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Value Mode
0 diseable mix/volume control
1 volume control
2 mono to stereo (up-mix)
3 stereo to mono (down-mix)
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
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MIX_DRB:
Address : 0x79(121)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the rigth attenuation (in dB) on
left channel.
3.15TONE_CONFIGURATION registers
description
TONE_ON:
Address : 0x7A(122)
Type : RW - ABO
Software Reset : 0
Description :
This register enables/diseables (1/0) the tone control.
TONE_FCUTH :
Address : 0x7B(123)
Type : RW - ABO
Software Reset : 20
Description :
This register specifies the high cut frequency: fcut(in
Hz)=(TONE_FCUTH+1)*50.
TONE_FCUTL :
Address : 0x7C(124)
Type : RW - ABO
Software Reset : 10
Description :
This register specifies the low cut frequency: fcut(in
Hz) = (TONE_FCUTL+1)*10
TONE_GAINH :
Address : 0x7D(125)
Type : RW - ABO
Software Reset : 12
Description :
This register specifies the gain on high frequencies:
gain(in Db)=(TONE_GAINH-12)*1.5
TONE_GAINL :
Address : 0x7E(126)
Type : RW - ABO
Software Reset : 12
Description :
This register specifies the gain on high frequencies:
gain (in Db)=(TONE_GAINL-12)*1.5. Value of regis-
ter from 0 to 24.
TONE_GAIN_ATTEN :
Address : 0x7F(127)
Type : RW - ABO
Software Reset : 0
Description :
This register specifies the attenuation on global spec-
trum: gain (in dB)=-TONE_GAIN_ATTEN*1.5. Value
of register from 0 to 12.
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
b7 b6 b5 b4 b3 b2 b1 b0
Obsolete Product(s) - Obsolete Product(s)

STA016T

Mfr. #:
Manufacturer:
STMicroelectronics
Description:
IC DECODER AUDIO 2.5 64TQFP
Lifecycle:
New from this manufacturer.
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