Aiwa FR-CD2500 User Manual download pdf (Page 27)

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LPFN

LPFO

VCOF

TESTX

______

GNDD

SPDA

COFS

WDCK

CHCK

BCK

AOUT

EMPH

DOUT

____________

TEST2

VDDX

GNDX

—

Pin No. Pin Name I/O Description

IC DESCRIPTION-2/4 (TC9284BF)-3/3

Low-pass filter amplifier inverted input.

Low-pass filter amplifier output.

VCO filter output.

TEST pin. Normally “H” or “L” .(Connected to +5 V)

Double speed mode output. “H” : normal speed. “L” : double speed (Not connected)

Digital GND.

Processor status signal output. (Not connected)

Correction circuit frame clock (7.35 kHz) output. (Not connected)

Word clock (88.2 kHz) output. SUBQ, BUF0V or 1PF can be selected by the µprocessor

command. (Not connected)

Channel clock (44.1 kHz) output. “L”for L-channel. “H” for R-channel. (Not connected)

Bit clock (1.4112 MHz) output. (Not connected)

Audio data output. (Not connected)

Emphasis ON/OFF select signal. “H” : emphasis ON. “L” for emphasis OFF

(Not connected)

DIGITAL SIGNAL output. (Not connected)

TEST pin. Normally “H”. (Not connected)

Crystal oscillator circuit power supply.

External crystal oscillator is connected. (Crystal oscillator frequency 16.9344 MHz)

Crystal oscillator GND.

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Aiwa FR-CD2500 User Manual Page 27