Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsLinear ICsLinear IC - Custom audio Car stereo, Consumer audio, Musical instruments I²S TSSOP 28

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DIR9001

SLES198 – DECEMBER 2006

TERMINAL FUNCTIONS

TERMINAL

PULL

I/O REMARKS DESCRIPTION

UP/DOWN

NAME NO.

AGND 23 – Analog ground

AUDIO 1 OUT CMOS Channel-status data information of non-audio sample word, active-low

BCKO 11 OUT CMOS Audio data bit clock output

BFRAME 18 OUT CMOS Indication of top block of biphase input signal

CKSEL 28 IN Pulldown 5-V tolerant TTL Selection of system clock source, Low: PLL (VCO) clock, High: XTI clock

(1)

CLKST 9 OUT CMOS Clock change/transition signal output

COUT 15 OUT CMOS Channel-status data serial output synchronized with LRCKO

DGND 6 – Digital ground

DOUT 12 OUT CMOS 16-bit/24-bit decoded serial digital audio data output

EMPH 17 OUT CMOS Channel-status data information of pre-emphasis (50 µ s/15 µ s)

ERROR 27 OUT CMOS Indication of internal PLL or data parity error

FILT 22 – External filter connection terminal; must connect recommended filter.

FMT0 25 IN Pulldown 5-V tolerant TTL Decoded serial digital audio data output format selection 0

(1)

FMT1 26 IN Pulldown 5-V tolerant TTL Decoded serial digital audio data output format selection 1

(1)

FSOUT0 2 OUT CMOS Actual sampling frequency calculated result output 0

FSOUT1 3 OUT CMOS Actual sampling frequency calculated result output 1

LRCKO 10 OUT CMOS Audio data latch enable output

PSCK0 13 IN Pulldown 5-V tolerant TTL PLL source SCKO output frequency selection 0

(1)

PSCK1 14 IN Pulldown 5-V tolerant TTL PLL source SCKO output frequency selection 1

(1)

RST 21 IN Pullup 5-V tolerant TTL Reset control input, active-low

(2)

RSV 19 IN Pulldown Reserved, must be connected to DGND

(1)

RXIN 20 IN 5-V tolerant TTL Biphase digital data input

(3)

SCKO 4 OUT CMOS System clock output

UOUT 16 OUT CMOS User data serial output synchronized with LRCKO

24 – Analog power supply, 3.3-V

5 – Digital power supply, 3.3-V

CMOS

XTI 8 IN Oscillation amplifier input, or external XTI source clock input

Schmitt-trigger

XTO 7 OUT CMOS Oscillation amplifier output

(1) TTL Schmitt-trigger input with internal pulldown (51 k Ω typical), 5-V tolerant

(2) TTL Schmitt-trigger input with internal pullup (51 k Ω typical), 5-V tolerant

(3) TTL Schmitt-trigger input, 5-V tolerant.

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