CS4235 Datasheet, PDF (65/94 Pages) Cirrus Logic – CrystalClear Low Cost ISA Audio System

CS4235
CrystalClear ^TM Low Cost ISA Audio System
FSYNC
SCLK
SDOUT
SDIN
...
15 14 13 12 ^... 0 15 14
...
16 Bits
Left Data
16 Bits
Right Data
0 8 zeros INT 7 zeros CEN PEN OVR 13 zeros
32 Bits
15 14 13 12 ^... 0 15 14
...
0
16 Bits
Left Data
16 Bits
Right Data
INT = Interrupt Bit
CEN = Capture Enable
PEN = Playback Enable
OVR = Left Overrange or
Right Overrange
Figure 6. 64-bit Enhanced Mode (SF1,0 = 00)
FSYNC
SCLK
...
...
SDOUT/
SDIN
15 14 13 ^... 0
16 Clocks
16 Clocks
Left Data
15 14 13 ^... 0
15
16 Clocks
16 Clocks
Right Data
Figure 7. 64-bit Mode (SF1,0 = 01)
FSYNC
SCLK
...
...
32 No-Clock bit periods
SDOUT/
SDIN
15 14 13
...
0 15 14 13 ^... 0
16 Clocks
Left Data
16 Clocks
Right Data
Figure 8. 32-bit Mode (SF1,0 = 10)
DS252PP2
15 14
...
Left Data
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