CS8420-DSR Cirrus Logic Inc, CS8420-DSR Datasheet - Page 16
CS8420-DSR
Manufacturer Part Number
CS8420-DSR
Description
Audio DSPs IC Digital Audio Sample Rate Convertr
Manufacturer
Cirrus Logic Inc
Datasheet
1.CS8420-CSZ.pdf
(94 pages)
Specifications of CS8420-DSR
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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16
Figure 8. Serial Audio Input, using PLL, SRC Enabled
Figure 12. Serial Audio Input, SRC Output Clocked by
ISCLK
ILRCK
SDIN
ISCLK
ILRCK
RXN
SDIN
RXP
Data Flow Control Bits
Data Flow Control Bits
Figure 10. AES3 Input, SRC Enabled
Data Flow Control Bits
TXD1-0:
SPD1-0:
SRCD:
TXD1-0:
SPD1-0:
SRCD:
TXD1-0:
SPD1-0:
SRCD:
AES3
Rx &
Decode
Serial
Audio
Input
PLL
PLL
Serial
Audio
Input
AES3 Recovered Clock
OMCK
00
00
0
RMCK
00
00
1
RMCK
00
00
0
Sample
Rate
Converter
Sample
Rate
Converter
Sample
Rate
Converter
RXP RXN
AES3
Rx
PLL
OMCK
OMCK
Clock Source Control Bits
Clock Source Control Bits
Clock Source Control Bits
OUTC:
INC:
RXD1-0:
OUTC:
INC:
RXD1-0:
OUTC:
INC:
RXD1-0:
AES3
Encoder
& Driver
Serial
Audio
Output
AES3
Encoder
& Driver
Serial
Audio
Output
AES3
Encoder
& Driver
Serial
Audio
Output
RMCK
0
0
00
0
0
01
1
1
01
OLRCK
OSCLK
SDOUT
TXP
TXN
OLRCK
OSCLK
SDOUT
TXP
TXN
OLRCK
OSCLK
SDOUT
TXP
TXN
Figure 11. Serial Audio Input, AES3 Input Clock Source,
Figure 13. AES3 Input, SRC to Serial Audio Output, Serial
Figure 9. Serial Audio Input, No PLL, SRC Enabled
ILRCK
ISCLK
SDIN
ILRCK
ISCLK
SDIN
RXN
RXP
RXN
RXP
Data Flow Control Bits
Data Flow Control Bits
Data Flow Control Bits
TXD1-0:
SPD1-0:
SRCD:
SDOUT
TXD1-0:
SPD1-0:
SRCD:
AES3
Rx &
Decode
PLL
Serial
Audio
Input
TXD1-0:
SPD1-0:
SRCD:
AES3
Rx
Serial
Audio
Input
Audio Input to AES3 Out
OSCLK
RMCK
00
00
0
RMCK
PLL
Sample
Rate
Converter
00
00
0
Sample
Rate
Converter
01
00
1
RMCK OMCK
Sample
Rate
Converter
OLRCK
OMCK
Serial
Audio
Output
Clock Source Control Bits
Clock Source Control Bits
OUTC:
INC:
RXD1-0:
Clock Source Control Bits
OMCK
OUTC:
INC:
RXD1-0:
OUTC:
INC:
RXD1-0:
SDIN
Serial
Audio
Input
AES3
Encoder
& Driver
Serial
Audio
Output
AES3
Encoder
& Driver
Serial
Audio
Output
ISCLK
0
0
10
AES3
Encoder
& Driver
0
0
01
0
0
01
ILRCK
OLRCK
OSCLK
SDOUT
TXP
TXN
OLRCK
OSCLK
SDOUT
TXP
TXN
CS8420
TXP
TXN
DS245F4
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