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参数资料
| 型号： | PCM3794RHBTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 通信及网络 |
| 英文描述： | SPECIALTY TELECOM CIRCUIT, PQCC32 |
| 封装： | 5 X 5 MM, GREEN, PLASTIC, QFN-32 |
| 文件页数： | 51/67页 |
| 文件大小： | 1417K |
| 代理商： | PCM3794RHBTG4 |
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SLES193C – AUGUST 2006 – REVISED FEBRUARY 2007
B15
B14
B13
B12
B11
B10
B9
B8
B7
B6
B5
B4
B3
B2
B1
B0
Register 95
0
IDX6
IDX5
IDX4
IDX3
IDX2
IDX1
IDX0
SDAS
3DEN
RSV
3FL0
3DP3
3DP2
3DP1
3DP0
IDX[6:0]: 101 1111b (5Fh): Register 95
SDAS: Source Select for Sound Effect (Tone Control, 3-D Sound, Notch Filter, Mono Mix)
Default value: 0
The PCM3793/94 includes sound effect circuits (tone control, 3-D sound, notch filter, mono mix) which can be
used to filter either the digital input to the DAC or the digital output from the ADC. This bit selects the signal
source of the sound effect circuit.
SDAS = 0
DAC digital input (default)
SDAS = 1
ADC digital output
3DEN: 3-D Sound Effect Enable
Default value: 0
This bit is used for enabling the 3-D sound effect filter. This filter has two independently controlled parameters.
3DEN = 0
Disable (default)
3DEN = 1
Enable
3FL0: Filter Selection for 3-D Sound
Default value: 0
This bit is used for selecting fron two kinds of filter type, narrow and wide. These filters have a different 3-D
effect performance.
3FL0 = 0
Narrow (default)
3FL0 = 1
Wide
3DP[3:0]: Efficiency for 3-D Sound Effects
Default value: 0000
These bits are used for adjusting the 3-D sound efficiency. Higher percentages have greater efficiency.
3DP[3:0]
3D Sound Effect Efficiency
0 0 0 0
0% (default)
0 0 0 1
10%
0 0 1 0
20%
0 0 1 1
30%
0 1 0 0
40%
0 1 0 1
50%
0 1 1 0
60%
0 1 1 1
70%
1 0 0 0
80%
1 0 0 1
90%
1 0 1 0
100%
1 0 1 1
Reserved
:
1 1 1 1
Reserved
55
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