CS8401A-CS 查看數據表（PDF） - Cirrus Logic

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CS8401A-CS

Digital Audio Interface Transmitter

Cirrus Logic 

CS8402A

TRNPT/FC1 - Transparent Mode / Frequency Control 1, PIN 24.

In professional mode, setting TRNPT low selects normal operation & CBL is an output. Setting

TRNPT high, allows the CS8402A to be connected directly to a CS8412. In transparent mode,

CBL is an input & MCK must be at 256 Fs.

In consumer mode, FC0 and FC1 are encoded versions of channel status bits 24 and 25. When

FC0 and FC1 are both high, CD mode is selected.

C/SBF - Channel Status Serial Input / Subcode Frame Clock, PIN 10.

In professional and consumer modes this pin is the channel status serial input port. In CD mode

this pin inputs the CD subcode frame clock.

CBL/SBC - Channel Status Block Output / Subcode Bit Clock, PIN 15.

In professional and consumer modes, the channel status block output is high for the first 16

bytes of channel status. In CD mode, this pin outputs the subcode bit clock.

Transmitter Interface

MCK - Master Clock, PIN 5.

Clock input at 128× Fs the sample frequency which defines the transmit timing. In transparent

mode, MCK must be 256× Fs.

TXP, TXN - Differential Line Drivers, PINS 20, 17.

RS422 compatible line drivers. Drivers are pulled to low when part is in reset state.

DS60F1

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