Table 7. digital interface formats - pcm mode, 2 functional mode (fm), 4 dsd control (address 04h) – Cirrus Logic CS4384 User Manual
Page 37: 1 dsd mode digital interface format (dsd_dif), Table 8. digital interface formats - dsd mode, Cs4384
DS620F1
37
CS4384
6.3.2
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.
6.4
DSD Control (Address 04h)
6.4.1
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.
The DSD/PCM bit determines whether PCM or DSD Mode is selected.
DIF3
DIF2
DIF1
DIF0
DESCRIPTION
Format
FIGURE
0
0
0
0
Left Justified, up to 24-bit data
0
0
0
0
1
I
2
S, up to 24-bit data
1
0
0
1
0
Right Justified, 16-bit data
2
0
0
1
1
Right Justified, 24-bit data
3
0
1
0
0
Right Justified, 20-bit data
4
0
1
0
1
Right Justified, 18-bit data
5
1
0
0
0
One-line Mode 1, 24-bit Data +SDIN4
8
1
0
0
1
One-line Mode 2, 20-bit Data +SDIN4
9
1
0
1
0
One-line Mode 3, 24-bit 6-channel
10
1
0
1
1
One-line Mode 4, 20-bit 6-channel
11
1
1
0
0
TDM
12
X
X
X
X
All other combinations are Reserved
Table 7. Digital Interface Formats - PCM Mode
7
6
5
4
3
2
1
0
DSD_DIF2
DSD_DIF1
DSD_DIF0
DIR_DSD
STATIC_DSD
INVALID_DSD
DSD_PM_MD
DSD_PM_EN
0
0
0
0
1
1
0
0
DIF2
DIF1
DIFO
DESCRIPTION
0
0
0
64x oversampled DSD data with a 4x MCLK to DSD data rate
0
0
1
64x oversampled DSD data with a 6x MCLK to DSD data rate
0
1
0
64x oversampled DSD data with a 8x MCLK to DSD data rate
0
1
1
64x oversampled DSD data with a 12x MCLK to DSD data rate
1
0
0
128x oversampled DSD data with a 2x MCLK to DSD data rate.
1
0
1
128x oversampled DSD data with a 3x MCLK to DSD data rate.
1
1
0
128x oversampled DSD data with a 4x MCLK to DSD data rate.
1
1
1
128x oversampled DSD data with a 6x MCLK to DSD data rate.
Table 8. Digital Interface Formats - DSD Mode