TAS3218IPZP datasheet(16/78 Pages) TI

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MSB

I2 SLRCLK

SCLK

I2 SSDIN

MSB

LeftChannel

RightChannel

MSB

LeftJustifiedLRCLK

LeftJustifiedSDOUT

MSB

LeftChannel

RightChannel

SPDIF Encoder

SPDIF Control

DAP

Serial Audio

Port

(Receiver)

SDOUT2

SDOUT2/

SPDIF

Serial Audio Port

Transmitter

Control Signals

SPDIF Encoder

Channel Mute

Control

Output

Selector

Analog

Interface

SCLKIN

LRCLKIN

SDIN

SPDIF_IN

ANALOGIN

“0”

TAS3218

SLES235 – JULY 2008 ....................................................................................................................................................................................................... www.ti.com

Figure 12. SAP Output Configuration (Left to I2S Normalization OFF)

The SPDIF encoder is a digital audio transmitter designed for use in consumer audio applications. Transmit data

rates up to 48 kHz are supported. The SPDIF encoder complies with the IEC-60958 interface standard.

The SPDIF encoder creates a multiplexed bit stream, containing audio, status, and user data. The multiplexed

data format is shown in Figure 14. The data is then bi-phase mark-encoded and output.

The hardware architecture of the S/PDIF Encoder can is shown in Figure 13.

Figure 13. SPDIF Encoder Hardware Architecture

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