CS4382A-EQZ CIRRUS [Cirrus Logic], CS4382A-EQZ Datasheet - Page 22

• Manufacturer Part Number: CS4382A-EQZ
• Description: 114 dB, 192 kHz 8-channel D/A Converter
• Manufacturer: CIRRUS [Cirrus Logic]

22
3.3
SDINx
SDINx
LRCK
LRCK
SDINx
SCLK
SCLK
SDINx
LRCK
LRCK
SCLK
SCLK
Digital Interface Formats
The serial port operates as a slave and supports the I²S, Left-Justified, and Right-Justified digital interface
formats with varying bit depths from 16 to 24 as shown in Figures 7-12. Data is clocked into the DAC on the
rising edge.
0
MSB
MSB
-1 -2 -3 -4 -5
-1 -2 -3 -4 -5
15 14 13 12 11 10
23 22 21 20 19 18
32 clocks
32 clocks
Left Channel
Left Channel
+5 +4
Left Channel
+5 +4
Left Channel
Figure 7. Format 0 - Left-Justified up to 24-bit Data
Figure 10. Format 3 - Right-Justified 24-bit Data
Figure 9. Format 2 - Right-Justified 16-bit Data
+3 +2 +1
+3 +2 +1
9 8 7
Figure 8. Format 1 - I
7
LSB
LSB
6 5 4 3 2 1 0
6 5 4 3 2 1 0
2
S up to 24-bit Data
MSB
MSB
-1 -2 -3 -4
-1 -2 -3 -4
15 14 13 12 11 10
23 22 21 20 19 18
+5 +4
+5 +4
Right Channel
Right Channel
Right Channel
Right Channel
+3 +2 +1
+3 +2 +1
9 8 7
LSB
LSB
7
6 5 4 3 2 1 0
6 5 4 3 2 1 0
CS4382A
DS618PP1