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參數(shù)資料
| 型號： | LC78630 |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | 16-bit fixed point DSP with Flash |
| 中文描述： | 具有閃存的 16 位定點(diǎn) DSP |
| 文件頁數(shù)： | 1/33頁 |
| 文件大?。?/td> | 433K |
| 代理商： | LC78630 |
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Overview
The LC78630E is a CD-DA signal-processing LSI for use
in video CD player systems. The LC78630E incorporates
signal-processing circuits for demodulating and de-
interleaving the EFM signal from the optical pickup, error
detection and correction, and digital filtering. It also
includes a 1-bit D/A converter and executes commands
sent from a system control microprocessor.
Features
Built-in PLL for EFM signal synchronization (a hybrid
analog-digital PLL that supports 4
×
playback)
Built-in PLL for variable pitch playback (±13%)
18KB RAM on chip
Error detection and correction (corrects two errors in C1
and four errors in C2)
Frame jitter margin: ±8 frames
Frame synchronization signal detection, protection, and
insertion
Dual interpolation adopted in the interpolation circuit.
EFM data demodulation
Subcode demodulation
Zero-cross muting adopted
Servo command interface
2fs digital filter
Digital de-emphasis
Built-in independent left- and right-channel digital
attenuators (239 attenuation steps)
Left/right swap function
Built-in 1-bit D/A converter (third-order
∑
noise
shaper, PWM output)
Built-in digital output circuit
CLV servo
Arbitrary track jumping (of up to 255 tracks)
Variable sled voltage (four levels)
Built-in oscillator circuit using an external 16.9344 MHz
or 33.8688 MHz (for 4
×
playback) element
Supply voltage: 3.6 to 5.5 V (4.5 to 5.5 V for 4
×
playback mode)
Six extended I/O ports and 2 extended output ports
Package Dimensions
unit: mm
3174-QFP80E
CMOS LSI
Ordering number : EN 5121B
83097HA (OT)/D3095HA (OT)/60595HA (OT) No. 5121-1/33
SANYO: QIP80E
[LC78630E]
SANYO Electric Co.,Ltd. Semiconductor Bussiness Headquarters
TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110 JAPAN
Compact Disk Player DSP
LC78630E
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| LC78630E | 16-bit fixed point DSP with Flash |
| LC78631 | 16-bit fixed point DSP with Flash |
| LC78631E | 16-bit fixed point DSP with Flash |
| LC78632 | 16-bit fixed point DSP with Flash |
| LC78632RE | 16-bit fixed point DSP with Flash |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LC78630E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78631 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78631E | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78632 | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
| LC78632RE | 制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:Compact Disk Player DSP |
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