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PDF STA1050 Data sheet ( Hoja de datos )
| Número de pieza | STA1050 | |
| Descripción | CD-Audio one-chip | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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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.
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STA1050
Pin function description
Table 1. Pin List- LQFP128 (continued)
N° Name
Description
33 FE_VDDA33R
Analog 3.3V for Bandgap
34 FE_CEXT
external cap for bandgap (1nF)
35 FE_REXT
36 FE_VSSA33R
external res for bandgap (25kOhm)
Analog Ground Bandgap
37 FE_MD_LAS
Laser driver input from monitor diode
38 FE_CAP_LAS
Laser driver compensation cap (30nF)
39 FE_LD_LAS
First Laser driver output
40 FE_LD1_LAS
41 FE_VDDPAD2
Second Laser driver output
3.3V for AFE pad ring
42 FE_VDDA33T
Analog 3.3V for test buffer
43 FE_TESTP
Test Buffer Positive Output
44 FE_TESTN
Test Buffer Negative Output
45 FE_VSSA33T
46 FE_VDDA18AD
Analog Ground Test Buffer
Analog 1.8V ADC
47 FE_VSSA18AD
Analog ground ADC
48 #nc
to be connected to ground on PCB
49 FFSR
50 #nc
Focusing actuator control signal output - PDM
to be connected to ground on PCB
51 REFFSR
Clock (50% duty cycle) for Actuator PDM reference
52 SPDL
Spindle motor control signal output - PDM
53 SLED1
SLED motor control signal output1 (stepping/DC) - PDM
54 SLED2
55 ICC1/GPB6
SLED motor control signal output2 (stepping) -PDM
Serial interface TX or ST7 GPIO PB6
56 ICC2/GPB7
Serial interface RX or ST7 GPIO PB7
57 VDD_TOP
Core VDD 1.8V
58 TFSR
59 VSS_TOP
Tracking actuator control signal output - PDM
Core VSS Ground
60 VSSPAD1
Pad Ring ground
61 VDDPAD2
3.3V for Digital Pad Ring
62 VDDPAD3
3.3V for Digital Pad Ring
63 ICD_N
64 DRD4/FLASH_OE
On-Chip-Emulator enable
SDRAM Data 4 or FLASH Output Enable
65 GPB0/CAV
ST7 GPIO PB0 or CAV feedback input
66 GPA7
ST7 GPIO PA7 (external interrupt)
67 GPA6
ST7 GPIO PA6
Pin Type
Vdd
analog
analog
Vss
analog in
analog
analog out
analog out
Vdd
Vdd
analog out
analog out
Vss
Vdd
Vss
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
Vdd
bidir, 3.3V, 2mA
Vss
Vss
Vdd
Vdd
in, 3.3V
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
bidir, 3.3V, 2mA
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STA1050
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| PDF Descargar | [ Datasheet STA1050.PDF ] | |
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