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參數(shù)資料
| 型號(hào)： | STA003 |
| 英文描述： | MPEG 2.5 LAYER III AUDIO DECODER |
| 中文描述： | 2.5第三層的MPEG音頻解碼器 |
| 文件頁(yè)數(shù)： | 23/32頁(yè) |
| 文件大?。?/td> | 299K |
| 代理商： | STA003 |
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RUN
Address: 0x72
Type: RW
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
X
LSB
b0
RUN
b6
X
b5
X
b4
X
b3
X
b2
X
b1
X
Setting this register to 1, STA003T leaves the idle
state, starting the decoding process.
The Microcontroller is allowed to set the RUN
flag, once all the control registers have been in-
itialized.
TREBLE_FREQUENCY_LOW
Address: 0x77
Type: RW
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
TF7
LSB
b0
TF0
b6
TF6
b5
TF5
b4
TF4
b3
TF3
b2
TF2
b1
TF1
TREBLE_FREQUENCY_HIGH
Address: 0x78
Type: RW
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
TF15 TF14 TF13 TF12 TF11 TF10
LSB
b0
TF8
b6
b5
b4
b3
b2
b1
TF9
The registers TREBLE_FREQUENCY_HIGH and
TREBLE_FREQUENCY_LOW, logically concate-
nated as a 16 bit wide register, are used to select
the frequency, in Hz, where the selected fre-
quency is +12dB respect to the stop band.
By setting these registers, the following rule must
be kept:
Treble_Freq < Fs/2
BASS_FREQUENCY_LOW
Address: 0x79
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
BF7
LSB
b0
BF0
b6
BF6
b5
BF5
b4
BF4
b3
BF3
b2
BF2
b1
BF1
BASS_FREQUENCY_HIGH
Address: 0x7A
Software Reset: 0x00
Hardware Reset: 0x00
MSB
b7
BF15 BF14 BF13 BF12 BF11 BF10
LSB
b0
BF8
b6
b5
b4
b3
b2
b1
BF9
The registers BASS_FREQUENCY_HIGH and
BASS_FREQUENCY_LOW, logically concate-
nated as a 16 bit wide register, are used to select
the frequency, in Hz, where the selected fre-
quency is -12dB respect to the pass-band. By
setting the BASS_FREQUENCY registers, the
following rules must be kept:
Bass_Freq <= Treble_Freq
Bass_Freq > 0
(suggested range: 20 Hz < Bass_Freq < 750 Hz)
Example:
Bass = 200Hz
Treble = 3kHz
TFS
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
1
0
1
1
1
0
1
1
1
0
0
0
BFS
15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
0
0
0
0
0
0
0
0
1
1
0
0
1
0
0
0
STA003T
23/32
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| STA003T | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:MPEG 2.5 LAYER III AUDIO DECODER |
| STA011 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:L-band RF front-end for digital radio |
| STA011E | 制造商:ST 功能描述:DAB |
| STA013 | 制造商:STMICROELECTRONICS 制造商全稱(chēng):STMicroelectronics 功能描述:MPEG 2.5 LAYER III AUDIO DECODER |
| STA013 | 功能描述:音頻 DSP MPEG Audio Decoder RoHS:否 制造商:Texas Instruments 工作電源電壓: 電源電流: 工作溫度范圍: 安裝風(fēng)格: 封裝 / 箱體: 封裝:Tube |
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