STA1050 datasheet(1/11 Pages) STMICROELECTRONICS

Part #	STA1050

Description	CD-Audio one-chip

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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1 / 11 page

DATA BRIEF

For further information contact your local STMicroelectronics sales office.

November 2006

Rev 1

1/11

11

STA1050

CD-Audio one-chip

Features

■ CD-R, CD-RW playback

■ CLV (1x, 2x, 4x) & CAV mode (6x)

■ 3.3V supply / 1.8V supply / 3.3V capable and

5V tolerant I/O

■ Low power consumption at top speed (tbd)

■ Power down mode

■ Power On Reset / Brownout controller

■ 33.8688MHz external quartz/resonator

■ LQFP128 package

■ Temperature range -40/+85°C

Embedded ST7 Micro-controller

■ 8-bit MCU with 4-stage pipeline

■ 8.4672MHz clock with option up to

11.2896MHz

■ 56Kbyte internal ROM (4Mb eFlash for debug)

■ 4Kbytes internal RAM

■ I2C master/slave interface (400 kHz) + 1 CRQ line

Analogue Front-end Part

■ A, B, C, D, E, F voltage inputs

■ Automatic gain and offset control for diode signals

■ ALPC circuit for laser control with integrated

Power MOS

■ 8-bit 2channels general purpose ADC

Digital Servo

■ Automatic fine gain/balance/offset adjustment

for tracking and focus

■ Embedded 16bit servo DSP (33.8688MHz)

with programmable sampling rate

■ 1.7Kx32 DSP program RAM

■ 256x16 DSP coefficient RAM

■ 256x16 DSP data RAM

■ PDM actuator controls

(Focus/Tracking/Spindle/Sledge)

■ Embedded Stepping Sledge motor controller

■ CLV & CAV spindle control

■ Defect generator logic

Acquisition

■ Digital Interpolator & Equalizer

■ Full range adjustment-free digital PLL

■ EFM Demodulation and Synchronisation

■ Q subcode & CD Text Decoder

Error Correction

■ CIRC, capable of dual C1 and quadruple C2

erasure corrections

■ jitter absorbing capacity ±24 frames

Schock-Proof controller

■ Up to 64Mbit External SDRAM interface

■ 4/8/16 bit data bus interface

■ ADPCM (4:1) lossy compression for extended

shock proof capability

Digital Interfaces

■ I2S + EIAJ CP-340 output interface with slave

mode capability (external clock)

■ C2PO output

■ SPDIF transmitter (IEC958)

■ Soft audio mute/fade/attenuation

■ De-emphasis filter

■ I2S input for audio DAC if external audio

processing (i.e. MP3 decoder) (or 3GPIOs)

■ 8 dedicated GPIOs

■ MLB interface for direct MOST

Audio Features

■ Digital Equalizer for bass/tremble control

■ Built-in stereo DAC with 96 dB SNR

■ De-emphasis filter built-in

Development Environment

■ On Chip ST7 Emulation (2 dedicated pins)

■ C language compiler for ST7, Macro assembler,

Linker, archiver, functional simulator

■ Windows debugger

Order code

LQFP128

Part number

Package

Packing

STA1050

LQFP128

Tube

www.st.com

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