cs4216 Cirrus Logic, Inc., cs4216 Datasheet - Page 13

• Manufacturer Part Number: cs4216
• Description: 16-bit Stereo Audio Codec Logic
• Manufacturer: Cirrus Logic, Inc.

OUTPUT DATA BIT DEFINITIONS
Sub-frame Bits 1 to 16
Left ADC Audio Data, MSB first, 2’s comple-
ment coded.
Sub-frame Bits 17 to 24
ADV
LCL
RCL
RESERVED bits can be 0 or 1
DS83F2
17
RESERVED
ADC - Left Word
ADC Valid data bit.
0 - Invalid ADC data
1 - Valid ADC data
Left ADC clipping indicator
0 - Normal
1 - Clipping
Right ADC clipping indicator
0 - Normal
1 - Clipping
ADC - Left Word
18
Indicates ADC has completed initialization
after power-up, low power mode,
or mute.
19
20
Word A
Figure 6. Serial Data Output Format - SM1, SM2, and SM3.
. X X X X
X X X X
21
0
ADV
0
0
22
LCL
3
3
23
Error
Error
0 3
0 3
RCL
24
SM1 and SM2
Version
Version
Sub-frame
Sub-frame
SM3
0
0
Sub-frame Bits 25 to 32
ER3-ER0 Error Word
Ver3-Ver0
Sub-frame Bits 33 to 48
Right ADC Audio Data, MSB first, 2’s comple-
ment coded.
Sub-frame Bits 49 to 60
These bits are reserved, and can be 0 or 1.
Sub-frame Bits 61 to 64
DI1-DI4
ER3
DI1
25
61
ADC - Right Word
ADC - Right Word
ER2
DI2
26
62
0000 - Normal – No errors.
0001 - Input Sub-frame Bit 21 is set.
0010 - Sync Pulse is incorrect.
0011 - SCLK is outside the allowable
0000 = "A" (see Appendix A)
0001 = "B", "C", . . . (This data sheet)
These bits follow the state of the Digital
Input pins. In SM3 DI3 and DI4 are used
and unavailable. In SM4 DI2, DI3, & DI4
are not available as input bits.
ER1
DI3
27
63
Control data will not be loaded
Causes the analog output to mute.
range. Analog output mutes.
CS4216 Version Number
ER0
DI4
28
64
Word B
X X X X
X X X X
Ver3 Ver2 Ver1 Ver0
29
0 0 0 1 0 0 0 0
0 0 0 1 0 0 0 0
CS4216
30
31
32
X X
13