cs4382 Cirrus Logic, Inc., cs4382 Datasheet - Page 17

• Manufacturer Part Number: cs4382
• Description: 114 Db, 192 Khz 8-channel D/a Converter
• Manufacturer: Cirrus Logic, Inc.

DS514F2
4.1.5
4.2
4.2.1
Reserved
DIF2
0
0
0
0
1
1
1
1
7
0
Mode Control 2 (Address 02h)
Power Down (PDN)
Default = 1
0 - Disabled
1 - Enabled
Function:
The entire device will enter a low-power state when this function is enabled, and the contents of the control
registers are retained in this mode. The power-down bit defaults to ‘enabled’ on power-up and must be
disabled before normal operation in Control Port Mode can occur.
Digital Interface Format (DIF)
Default = 000 - Format 0 (Left Justified, up to 24-bit data)
Function:
These bits select the interface format for the serial audio input. The Functional Mode bits determine
whether PCM or DSD Mode is selected.
PCM Mode: 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
Note:
to ensure proper switching from one mode to another.
DIF1
0
0
1
1
0
0
1
1
While in PCM Mode, the DIF bits should only be changed when the power-down (PDN) bit is set
DIF2
6
0
DIF0
0
1
0
1
0
1
0
1
Table 1. Digital Interface Formats - PCM Mode
DIF1
5
0
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
Reserved
Reserved
DIF0
4
0
DESCRIPTION
SDIN4CLK
3
0
Figures
SDIN3CLK
2
0
33-38.
SDIN2CLK
1
0
Format
0
1
2
3
4
5
SDIN1CLK
CS4382
FIGURE
0
0
33
34
35
36
37
38
17