CS8420-CSZ View Datasheet(PDF) - Cirrus Logic

Part Name

Description

MFG CO.

CS8420-CSZ

Digital Audio Sample Rate Converter

Cirrus Logic 

SDOUT OSCLK OLRCK SDIN ISCLK ILRCK

Serial Serial

Audio Audio

Output Input

RXN

RXP

AES3

Rx &

Decode

AES3

Encoder

& Driver

TXP

TXN

PLL

RMCK

Data Flow Control Bits Clock Source Control Bits

TXD1-0: 01

SPD1-0: 10

SRCD: 0

OUTC: 1

INC: 0

RXD1-0: 01

Figure 14. AES3 Input to Serial Audio Output, Serial Au-

dio Input to AES3 Out, No SRC

CS8420

RXN

RXP

AES3

Rx &

Decode

PLL

Serial

Audio

Output

OLRCK

OSCLK

SDOUT

RMCK

Data Flow Control Bits

TXD1-0: 10

SPD1-0: 10

SRCD: 0

TXOFF: 1

Clock Source Control Bits

OUTC: 1

INC: 0

RXD1-0: 01

Figure 15. AES3 Input to Serial Audio Output Only

SDIN

ISCLK

ILRCK

Serial

Audio

Input

AES3

Encoder

& Driver

TXP

TXN

OMCK

Data Flow Control Bits

TXD1-0: 01

SPD1-0: 01

SRCD: 0

Clock Source Control Bits

OUTC: 0

INC: 1

RXD1-0: 00

Figure 16. Input Serial Port to AES3 Transmitter

DS245F4

17

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