CS8420-CSR 查看數據表（PDF） - Cirrus Logic
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CS8420-CSR Datasheet PDF : 94 Pages
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CS8420
SDIN
ISCLK
ILRCK
Serial
Audio
Input
Sample
Rate
Converter
PLL
Serial
Audio
Output
OLRCK
OSCLK
SDOUT
AES3
TXP
Encoder
& Driver
TXN
RMCK OMCK
Data Flow Control Bits Clock Source Control Bits
TXD1-0: 00
SPD1-0: 00
SRCD: 0
OUTC: 0
INC: 0
RXD1-0: 00
Figure 8. Serial Audio Input, using PLL, SRC Enabled
RXN
RXP
AES3
Rx &
Decode
Sample
Rate
Converter
PLL
Serial
Audio
Output
OLRCK
OSCLK
SDOUT
AES3
Encoder
& Driver
TXP
TXN
RMCK OMCK
Data Flow Control Bits
TXD1-0: 00
SPD1-0: 00
SRCD: 1
Clock Source Control Bits
OUTC: 0
INC: 0
RXD1-0: 01
Figure 10. AES3 Input, SRC Enabled
SDIN
ISCLK
ILRCK
Serial
Audio
Input
Sample
Rate
Converter
Serial
Audio
Output
OLRCK
OSCLK
SDOUT
AES3
TXP
Encoder
& Driver
TXN
RMCK OMCK
Data Flow Control Bits Clock Source Control Bits
TXD1-0: 00
SPD1-0: 00
SRCD: 0
OUTC: 0
INC: 0
RXD1-0: 10
Figure 9. Serial Audio Input, No PLL, SRC Enabled
SDIN
ISCLK
ILRCK
RXN
RXP
Serial
Audio
Input
Sample
Rate
Converter
AES3
Rx
PLL
Serial
Audio
Output
OLRCK
OSCLK
SDOUT
AES3
TXP
Encoder
& Driver
TXN
RMCK OMCK
Data Flow Control Bits
TXD1-0: 00
SPD1-0: 00
SRCD: 0
Clock Source Control Bits
OUTC: 0
INC: 0
RXD1-0: 01
Figure 11. Serial Audio Input, AES3 Input Clock Source,
SDIN
ISCLK
ILRCK
Serial Sample
Audio Rate
Input Converter
PLL
AES3
Rx
Serial
Audio
Output
AES3
Encoder
& Driver
OLRCK
OSCLK
SDOUT
TXP
TXN
OMCK RXP RXN RMCK
Data Flow Control Bits
TXD1-0: 00
SPD1-0: 00
SRCD: 0
Clock Source Control Bits
OUTC: 1
INC: 1
RXD1-0: 01
Figure 12. Serial Audio Input, SRC Output Clocked by
AES3 Recovered Clock
SDOUT OSCLK OLRCK SDIN ISCLK ILRCK
Serial Serial
Audio Audio
Output Input
RXN
RXP
AES3 Sample
Rx & Rate
Decode Converter
AES3
Encoder
& Driver
TXP
TXN
PLL
RMCK
OMCK
Data Flow Control Bits Clock Source Control Bits
TXD1-0: 01
SPD1-0: 00
SRCD: 1
OUTC: 0
INC: 0
RXD1-0: 01
Figure 13. AES3 Input, SRC to Serial Audio Output, Serial
Audio Input to AES3 Out
16
DS245F4
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