STA310 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'STA310' PDF : 90 Pages View PDF
STA310
Key 1/4 1/2 3/4 1 1.16 1.34 1.58 1.93 2.49 3.5
control
(tone)
KEYVAL 10 11 12 13 14 15 16 17 18 19
UE
(decimal)
KAR_VCANCEL
Voice cancellation ON/OFF
7 6543 2
Reserved
1
0
VCANCEL
Address: 0x85
Type: R/W
Reset value: 0
KAR_MMUTE
Music channel mute
7
6
5
4
3
2
1
0
Reserved
MUTE
Address: 0x87
Type: R/W
Reset value:0
Description:
This register mutes the music channel.
Bitfield
Description
MUTE 0: not muted, 1: muted
Description:
Bitfield
Description
VCANCELL 0: voice cancellation off,
1: voice cancellation on
KAR_VVALUE
Degree of voice cancellation
7
6
5
4
3
Reserved
2
1
0
LEVEL[2:0]
Address: 0x86
Type: R/W
Reset value: 0x0
KAR_VCh0VOL
Voice channel 0 (L) volume
7
6
5
4
3
2
1
0
Value
Address: 0x88
Type: R/W
Reset value: 0xFF
Description:
This register has the same function as
KAR_MCh0VOL for the left voice channel instead of
the left music channel.
Description:
When the voice cancellation is enabled by the
KAR_VCANCEL register, KAR_VVALUE specifies
the extent of the voice cancellation according to the
following table:
Bitfield
Description
LEVEL[2:0] 0: cut-band filter with 40dB attenuation at
700Hz
1: cut-band filter with 35dB attenuation at
700Hz
2: cut-band filter with 32dB attenuation at
700Hz
3: cut-band filter with 27dB attenuation at
700Hz
4: cut-band filter with 23dB attenuation at
700Hz
KAR_VCh1VOL
Voice channel 1 (R) volume
7
6
5
4
3
2
1
0
Value
Address: 0x89
Type: R/W
Reset value: 0xFF
Description:
This register has the same function as
KAR_MCh0VOL for the right voice channel instead of
the left music channel.
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