CS4349 Datasheet, PDF (29/40 Pages) Cirrus Logic – 192 kHz DAC w/ Volume Control and 1 Vrms @ 3.3 V

8. REGISTER DESCRIPTION
** All register access is R/W unless specified otherwise**
CS4349
8.1 Device and Revision ID - Register 01h
7
Device4
1
6
Device3
1
5
Device2
1
4
Device1
1
3
Device0
-
2
Rev2
-
Function:
This register is Read-Only. It is decoded as follows:
Rev
Register 01h contents
A
1111,0000
B
1111,0001
C2
1111,1111
1
Rev1
-
0
Rev0
-
8.2 Mode Control - Register 02h
7
Reserved
0
6
DIF2
0
5
DIF1
0
4
DIF0
0
3
DEM1
0
2
DEM0
0
1
FM1
0
0
FM0
0
8.2.1
Digital Interface Format (DIF[2:0]) Bits 6-4
Function:
These bits select the interface format for the serial audio input.
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 11-13.
DIF2
0
0
0
0
1
1
1
1
DIF1
0
0
1
1
0
0
1
1
DIF0
0
1
0
1
0
1
0
1
Description
Left-Justified, up to 24-bit data
I²S, up to 24-bit data
Right-Justified, 16-bit data
Right-Justified, 24-bit data
TDM slot 0
TDM slot 1
TDM slot 2
TDM slot 3
Table 3. Digital Interface Formats
Format
0 (Default)
1
2
3
4
5
6
7
Figure
11
12
13
13
15
15
15
15
DS782F1
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