CS8427-IS 데이터 시트보기 (PDF) - Cirrus Logic

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CS8427-IS

96 kHz Digital Audio Interface Transceiver

Cirrus Logic 

SDOUT OSCLK OLRCK SDIN ISCLK ILRCK

Serial Serial

Audio Audio

Output Input

RXN

RXP

AES3

Rx &

Decode

PLL

AES3

Encoder

& Driver

TXP

TXN

RMCK

Data Flow Control Bits

TXD1-0: 01

SPD1-0: 10

Clock Source Control Bits

OUTC: 1

INC: 0

RXD1-0: 01

Figure 9. AES3 Input to Serial Audio Output,

Serial Audio Input to AES3 Out

NOTE: Applications implementing both the Seri-

al Audio Output Port and the AES3 Transmitter

must operate at the same sample rate because

they are both controlled by the same clock

source.

CS8427

RXN

RXP

AES3

Rx &

Decode

PLL

Serial

Audio

Output

OLRCK

OSCLK

SDOUT

RMCK

Data Flow Control Bits

TXD1-0: 10

SPD1-0: 10

TXOFF : 1

Clock Source Control Bits

OUTC: 1

INC: 0

RXD1-0: 01

Figure 10. AES3 Input to Serial Audio Output Only

I LRCK

I SCLK

SD I N

Serial

Audio

Input

AES3

Rx &

Decode

TXN

TXP

OMCK

Data Flow Control Bits

TXD1-0: 01

SPD1-0: 01

Clock Source Control Bits

OUTC: 0

INC: 1

RXD1-0: 00

Figure 11. Input Serial Port to AES3 Transmitter

without PLL

I LRCK

I SCLK

SD I N

Serial

Audio

Input

PLL

AES3

Rx &

Decode

TXN

TXP

RMCK

Data Flow Control Bits

TXD1-0: 01

SPD1-0: 01

Clock Source Control Bits

OUTC: 1

INC: 0

RXD1-0: 00

Figure 12. Input Serial Port to AES3 Transmitter

with PLL

NOTE: In this mode, ILRCK and ISCLK are

inputs only.

DS477F1

21

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