DIR9001 datasheet(4/38 Pages) TI2

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AUDIO

FSOUT0

FSOUT1

SCKO

DGND

XTO

XTI

CLKST

LRCKO

BCKO

DOUT

PSCK0

PSCK1

CKSEL

ERROR

FMT1

FMT0

AGND

FILT

RST

RXIN

RSV

BFRAME

EMPH

UOUT

COUT

DIR9001

(TOP VIEW)

DIR9001

SLES198A – DECEMBER 2006 – REVISED MAY 2015

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Table 2. The Differences Between DIR1703 and DIR9001 in All I/O Pin (continued)

PIN NO.

DIR1703

DIR9001

DIFFERENCES

DESCRIPTIONS OF DIR9001

URBIT

UOUT

Pin name only

User data serial output synchronized with LRCKO

EMFLG

EMPH

Pin name only

Channel-status data Information of pre-emphasis (50

μs/15 μs)

BFRAME

Same function

Indication of top block of biphase input signal

BRSEL

RSV

Reserved

Reserved, must be connected to DGND

DIN

RXIN

Pin name only

Biphase digital data input

RST

Same function

Reset control input, active-low

FILT

Same function

External filter connection terminal. Recommended filter must be connected.

AGND

Same function

Analog ground

VCC

Same function

Analog power supply, 3.3-V

FMT0

Same function

Decoded serial digital audio data output format selection 0

FMT1

Same function

Decoded serial digital audio data output format selection 1

UNLOCK

ERROR

Pin name only

Indication of internal PLL or data parity error

CKSEL

Same function

Selection of system clock source, Low: PLL (VCO) clock, High: XTI clock

6 Pin Configuration and Functions

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