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參數(shù)資料
| 型號： | SAA7326H |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 消費家電 |
| 英文描述： | CABLE ASSEMBLY; TNC MALE TO TNC MALE; 75 OHM, RG59B/U COAX; 12" CABLE LENGTH; *USES STANDARD 50 OHM INTERFACE CONNECTORS* |
| 中文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP64 |
| 封裝： | PLASTIC, SOT-393-1, QFP-64 |
| 文件頁數(shù)： | 11/68頁 |
| 文件大?。?/td> | 391K |
| 代理商： | SAA7326H |
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1999 Jun 17
11
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10)
SAA7326
Fig.6 Data slicer showing typical application components (for n = 1).
47 pF
HFREF
HFIN
ISLICE
22 k
2.2 k
100 nF
100 nF
1 nF
HF input
crystal
clock
D
Q
DPLL
VSSA
VSSA
VSS
MGS179
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 is 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 decoder registers 2 and 7.
Also incorporated in the demodulator is a Run Length 2
(RL2) 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 |
|---|---|
| SAA7327 | Digital servo processor and Compact Disc decoder with integrated DAC for video CD (CD7 II)(應(yīng)用于視頻CD的帶綜合數(shù)模轉(zhuǎn)換器（DAC）的數(shù)字伺服處理器和光盤譯碼器) |
| SAA7335GP | DSP for CD and DVD-ROM systems |
| SAA7335 | DSP for CD and DVD-ROM systems(在CD和DVD-ROM應(yīng)用中的DSP) |
| SAA7341 | COMS Digital decoding IC for Compact Disc |
| SAA7341GP | COMS Digital decoding IC for Compact Disc |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SAA7327 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital servo processor and Compact Disc decoder with integrated DAC for video CD CD7 II |
| SAA7327H | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:Digital servo processor and Compact Disc decoder with integrated DAC for video CD CD7 II |
| SAA7327H/T/M2B,557 | 功能描述:視頻 IC COMPACT DISC SYSTEMS RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAA7327HBG | 功能描述:視頻 IC COMPACT DISC SYSTEMS RoHS:否 制造商:Fairchild Semiconductor 工作電源電壓:5 V 電源電流:80 mA 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-28 封裝:Reel |
| SAA7335 | 制造商:PHILIPS 制造商全稱:NXP Semiconductors 功能描述:DSP for CD and DVD-ROM systems |
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