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參數(shù)資料
| 型號： | PCM3002EGE6 |
| 元件分類： | Codec |
| 英文描述： | 16/20-BIT SINGLE-ENDED ANALOG INPUT/OUTPUT STEREO AUDIO CODECS |
| 中文描述： | 16/20-BIT單端模擬輸入/輸出立體聲編解碼器 |
| 文件頁數(shù)： | 30/39頁 |
| 文件大?。?/td> | 515K |
| 代理商： | PCM3002EGE6 |
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PROGRAM REGISTER 3
res:
Bits 15–11: Reserved
These bits are reserved and should be set to 0.
PCM3002
PCM3003
SBAS079A–OCTOBER 2000–REVISED OCTOBER 2004
DEM[1:0]:
Bits 2, 1: DAC de-emphasis control
These bits select the de-emphasis mode as shown below:
DEM1
0
0
1
1
DEM0
0
1
0
1
DE-EMPHASIS STATUS
De-emphasis 44. 1 kHz ON
De-emphasis OFF (default)
De-emphasis 48 kHz ON
De-emphasis 32 kHz ON
MUT:
Bit 0: DAC soft mute control
When set to 1, both left- and right-channel DAC outputs are muted at the same time. This muting is
done by attenuating the data in the digital filter, so there is no audible click noise when soft mute is
turned on.
MUT
0
1
MUTE STATUS
Mute disabled (default)
Mute enabled
A[1:0]
Bits 10, 9: Register address
These bits define the address for register 3:
A1
1
A0
1
REGISTER
Register 3
res:
Bits 8–6: Reserved
These bits are reserved and should be set to 0.
LOP:
Bit 5: ADC to DAC loopback control
When this bit is set to 1, the ADC audio data is sent directly to the DAC. The data format defaults to
I
2
S; DOUT is still available in loopback mode.
LOP
0
1
LOOPBACK STATUS
Loopback disabled (default)
Loopback enabled
res:
Bit 4: Reserved
This bit is reserved and should be set to 0.
FMT[1:0]
Bits 3–2: Audio data format select
These bits determine the input and output audio data formats.
FMT1
0
0
1
1
FMT0
0
1
0
1
DAC DATA FORMAT
16-bit, MSB-first, right-justified
20-bit, MSB-first, right-justified
20-bit, MSB-first, left-justified
20-bit, MSB-first, I
2
S
ADC DATA FORMAT
16-bit, MSB-first, left-justified
20-bit, MSB-first, left-justified
20-bit, MSB-first, left-justified
20-bit, MSB-first, I
2
S
NAME
Format 0 (default)
Format 1
Format 2
Format 3
LRP:
Bit 1: ADC to DAC LRCIN polarity select
Polarity of LRCIN applies only to formats 0 through 2.
LRP
0
1
LEFT/RIGHT POLARITY
Left channel is H, right channel is L (default).
Left channel is L, right channel is H.
30
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