CS8427-CS datasheet(21/59 Pages) CIRRUS

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CS8427

DS477F3

AES3

Encoder

&Driver

Serial

Audio

Output

OLRCK

OSCLK

SDOUT

TXP

TXN

PLL

RMCK

TXD1-0:

SPD1-0:

OUTC:

INC:

RXD1-0:

Clock Source Control Bits

Data Flow Control Bits

AES3

Rx &

Decode

RXP

RXN

Serial

Audio

Input

ILRCK

ISCLK

SDIN

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.

OMCK

TXD1-0:

SPD1-0:

OUTC:

INC:

RXD1-0:

Clock Source Control Bits

Data Flow Control Bits

AES3

Rx &

Decode

I LRCK

ISCLK

SD IN

TXP

TXN

Serial

Audio

Input

Figure 11. Input Serial Port to AES3 Transmitter

without PLL

Serial

Audio

Output

OLRCK

OSCLK

SDOUT

PLL

RMCK

TXD1-0:

SPD1-0:

OUTC:

INC:

RXD1-0:

Clock Source Control Bits

Data Flow Control Bits

AES3

Rx &

Decode

RXP

RXN

TXOFF : 1

Figure 10. AES3 Input to Serial Audio Output Only

RMCK

TXD1-0:

SPD1-0:

OUTC:

INC:

RXD1-0:

Clock Source Control Bits

Data Flow Control Bits

AES3

Rx &

Decode

ILRCK

ISCLK

SD IN

TXP

TXN

Serial

Audio

Input

PLL

Figure 12. Input Serial Port to AES3 Transmitter

with PLL

NOTE: In this mode, ILRCK and ISCLK are

inputs only.

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