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參數(shù)資料
| 型號： | SAA7374 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | Low voltage digital servo processor and Compact Disc decoder CD7LV |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 文件頁數(shù)： | 10/60頁 |
| 文件大?。?/td> | 324K |
| 代理商： | SAA7374 |
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1998 Feb 26
10
Philips Semiconductors
Product specification
Low voltage digital servo processor and
Compact Disc decoder (CD7LV)
SAA7374
Fig.5 Data slicer showing typical application components (for n = 1).
handbook, full pagewidth
47 pF
22
nF
2.2 k
HFIN
HFREF
Iref
ISLICE
22 k
150
k
100 nF
2.2 nF
HF
input
crystal
clock
D
Q
DPLL
1/2VDD
VSSA
VSSA
VSS
VSSA
MBG649
VDD
100
μ
A
100
μ
A
7.4
Demodulator
7.4.1
F
RAME SYNC PROTECTION
A double timing system is used to protect the demodulator
from erroneous sync patterns in the serial data. The
master counter is only reset if;
A sync coincidence detected; sync pattern occurs 588
±
1 EFM clocks after the previous sync pattern.
A new sync pattern is detected within
±
6 EFM clocks of
its expected position.
The sync coincidence signal is also used to generate the
PLL lock signal, which is active HIGH after 1 sync
coincidence found, and reset LOW if during 61
consecutive frames no sync coincidence is found.
The PLL lock signal can be accessed via the SDA or
STATUS pins selected by register 2 and 7.
Also incorporated in the demodulator is a RL2 (Run
Length 2) correction circuit. Every symbol detected as RL2
will be pushed back to RL3. To do this the phase error of
both edges of the RL2 symbol are compared and the
correction is executed at the side with the highest error
probability.
7.4.2
EFM
DEMODULATION
The 14-bit EFM data and subcode words are decoded into
8-bit symbols.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SAA7374GP | Low voltage digital servo processor and Compact Disc decoder CD7LV |
| SAA7376 | Digital servo processor and Compact Disc decoder CD7 |
| SAA7377GP | Force/Pressure transducer; Compensated; Pressure Range: 0 to 25 psi |
| SAA7377 | Digital servo processor and Compact Disc decoder CD7 |
| SAA7378GP | Single Chip Digital Servo Processor and Compact Disc Decoder |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7374GP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Low voltage digital servo processor and Compact Disc decoder CD7LV |
| SAA7376 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital servo processor and Compact Disc decoder CD7 |
| SAA7377 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital servo processor and Compact Disc decoder CD7 |
| SAA7377GP | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital servo processor and Compact Disc decoder CD7 |
| SAA7377GP/M1,518 | 功能描述:IC DIGITAL PROCESSOR/CD7 64QFP RoHS:是 類別:集成電路 (IC) >> 線性 - 視頻處理 系列:- 產(chǎn)品變化通告:Product Discontinuation 07/Mar/2011 標(biāo)準(zhǔn)包裝:3,000 系列:OMNITUNE™ 類型:調(diào)諧器 應(yīng)用:移動電話，手機，視頻顯示器 安裝類型:表面貼裝 封裝/外殼:65-WFBGA 供應(yīng)商設(shè)備封裝:PG-WFSGA-65 包裝:帶卷 (TR) 其它名稱:SP000365064 |
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