STA1050 Datasheet, PDF (1/11 Pages) STMicroelectronics – CD-Audio one-chip

STA1050
CD-Audio one-chip
DATA BRIEF
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
Order code
LQFP128
■ 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
Part number
STA1050
Package
LQFP128
Packing
Tube
November 2006
Rev 1
For further information contact your local STMicroelectronics sales office.
1/11
www.st.com
11