參數(shù)資料
型號: UDA1384
廠商: NXP Semiconductors N.V.
英文描述: Multichannel audio coder-decoder
中文描述: 多聲道音頻編碼解碼器
文件頁數(shù): 29/55頁
文件大?。?/td> 276K
代理商: UDA1384
9397 750 14366
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 02 — 17 January 2005
29 of 55
Philips Semiconductors
UDA1384
Multichannel audio coder-decoder
11.4 Audio ADC and DAC subsystem settings
Table 28:
Bit
Symbol
Reset
Access
Bit
Symbol
Reset
Access
Audio ADC and DAC subsystem register (address 01h) bit allocation
15
14
13
12
DC
PAB
PAA
MTB
1
0
0
read and write
7
6
5
DAG
FIL
DVD
DIS1
0
0
0
read and write
11
MTA
0
10
AIF2
0
9
8
AIF1
0
AIF0
0
0
4
3
2
1
0
DIS0
0
DIF2
0
DIF1
0
DIF0
0
0
Table 29:
Bit
15
Description of the audio ADC and DAC subsystem register bit
Symbol
Description
DC
ADC DC-filter.
Bit DC enables the digital DC-filter of the ADC.
1 = DC-filtering is active (default)
0 = no DC-filtering
PAB
Polarity ADC 2 control.
Bit PAB controls the ADC 2 polarity.
1 = polarity is inverted
0 = polarity is not-inverted (default)
PAA
Polarity ADC 1 control.
Bit PAA controls the ADC 1 polarity.
1 = polarity is inverted
0 = polarity is not-inverted (default)
MTB
Mute ADC 2.
Bit MTB enables the digital mute of ADC 2.
1 = ADC 2 is soft muted
0 = ADC 2 is not muted (default)
MTA
Mute ADC 1.
Bit MTA enables the digital mute of ADC 1.
1 = ADC 1 is soft muted
0 = ADC 1 is not muted (default)
AIF[2:0]
ADC output data interface format.
A 3-bit value to select the used data
format to the I
2
S-bus ADC output interface. Default 000. See
Table 30
.
DAG
DAC gain switch.
Bit DAG selects the DAC gain.
1 = gain = 6 dB
0 = gain = 0 dB (default)
FIL
Filter selection.
Bit FIL selects the interpolation filter characteristics.
1 = slow roll-off
0 = sharp roll-off (default)
DVD
192 kHz sampling mode selection.
Bit DVD selects the oversampling rate
of the noise shaper.
1 = 64f
s
rate; used for 192 kHz and 176.4 kHz sampling frequencies
0 = 128f
s
rate (default)
DIS[1:0]
Data interface selection.
A 2-bit value to select the data interface
connection. Default 00. See
Table 31
.
DIF[2:0]
DAC input data interface format.
A 3-bit value to select the used data
format to the I
2
S-bus DAC input interface. Default 000. See
Table 30
.
14
13
12
11
10 to 8
7
6
5
4 to 3
2 to 0
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