CS4384 데이터 시트보기 (PDF) - Cirrus Logic
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CS4384 Datasheet PDF : 50 Pages
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CS4384
Function:
These bits select the interface format for the serial audio input. The DSD/PCM bit determines whether
PCM or DSD mode is selected.
The required relationship between the Left/Right clock, serial clock and serial data is defined by the Digital
Interface Format and the options are detailed in Figures 9-21.
DIF3
0
0
0
0
0
0
1
1
1
1
1
X
DIF2
0
0
0
0
1
1
0
0
0
0
1
X
DIF1
0
0
1
1
0
0
0
0
1
1
0
X
DIF0
0
1
0
1
0
1
0
1
0
1
0
X
DESCRIPTION
Left Justified, up to 24-bit data
I2S, up to 24-bit data
Right Justified, 16-bit data
Right Justified, 24-bit data
Right Justified, 20-bit data
Right Justified, 18-bit data
One-line Mode 1, 24-bit Data +SDIN4
One-line Mode 2, 20-bit Data +SDIN4
One-line Mode 3, 24-bit 6-channel
One-line Mode 4, 20-bit 6-channel
TDM
All other combinations are Reserved
Table 7. Digital Interface Formats - PCM Mode
Format
0
1
2
3
4
5
8
9
10
11
12
FIGURE
9
10
11
12
13
14
15
17
18
20
21
5.3.2
Functional Mode (FM)
Default = 11
00 - Single-Speed Mode (4 to 50 kHz sample rates)
01 - Double-Speed Mode (50 to 100 kHz sample rates)
10 - Quad-Speed Mode (100 to 200 kHz sample rates)
11 - Auto Speed Mode detect (32 kHz to 200 kHz sample rates)
Function:
Selects the required range of input sample rates or Auto Speed Mode.
5.4 DSD Control (address 04h)
7
DSD_DIF2
0
6
DSD_DIF1
0
5
DSD_DIF0
0
4
DIR_DSD
0
3
2
1
0
STATIC_DSD INVALID_DSD DSD_PM_MD DSD_PM_EN
1
1
0
0
5.4.1
DSD Mode Digital Interface Format (DSD_DIF)
Default = 000 - Format 0 (64x oversampled DSD data with a 4x MCLK to DSD data rate)
Function:
The relationship between the oversampling ratio of the DSD audio data and the required Master clock to
DSD data rate is defined by the Digital Interface Format pins.
36
DS620A1
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