TC9490FA TOSHIBA [Toshiba Semiconductor], TC9490FA Datasheet

TC9490FA

Manufacturer Part Number

TC9490FA

Description

Digital Servo Single-Chip Processor for Use in CD Player

Manufacturer

TOSHIBA [Toshiba Semiconductor]

Datasheet

1.TC9490FA.pdf (15 pages)

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Digital Servo Single-Chip Processor for Use in CD Player

following functions: sync separation protection, interpolation,

EFM decoder, error correction, microcontroller interface, digital

equalizer for use in servo LSI, and servo control circuit.

enables very simple and completely adjustment-free CD player

systems.

Features

TC9490F/FA is a single-chip processor which incorporates the

TC9490F/FA also incorporates a 1-bit DA converter.

Combining TC9490F with digital servo head amp TA2147F

Capable of decoding the text data.

Sync pattern detection, sync signal protection, and

synchronization can be made correctly.

Built-in EFM demodulation circuit and subcode

demodulation.

Capable of correcting dual C1 correction and quadruple C2

correction using the CIRC correction theoretical format.

The TC9490F respond to variable playback system.

Jitter absorbing capacity of ±6 frame.

Built-in 16 k RAM.

Built-in digital out circuit.

Built-in L/R independent digital attenuator.

Audio output responds to bilingual function.

Output format for audio out can be selected 32fs, 48fs or 64fs modes.

Read-timing-free subcode Q data and capable of synchronous output with audio data.

Built-in data slicer and analog PLL (adjustment-free VCO).

Capable of automatic adjustment function of focus and tracking servos for loop gain, offset and balance.

Built-in RF gain automatic adjustment circuit.

Built-in digital equalizer for phase compensation.

Built-in RAM for digital equalizer for coefficient, and capable of variable pickup.

Built-in focus and tracking servo control circuit.

Search control corresponds to every mode and can realize high speed and stable search.

Lens-kick and feed-kick are using speed controlled form.

Built-in AFC and APC circuits for CLV servo of disc motor.

Built-in anti-defect and anti-shock circuit.

Built-in 8 times oversampling digital filter and 1-bit DA converter.

Built-in analog filter for 1-bit DA converter.

Built-in zero data detection output circuit.

The TC9490F/FA capable of 4 times speed operation.

Built-in microcontroller interface circuit.

CMOS silicon structure and high speed, low power consumption.

64-pin flat package.

TOSHIBA CMOS Digital Integrated Circuit Silicon Monolithic

TC9490F, TC9490FA

Weight:

QFP64-P-1414-0.80A: 0.5 g (typ.)

LQFP64-P-1010-0.50: 0.4 g (typ.)

TC9490F

TC9490FA

TC9490F/FA

2001-09-03

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