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參數(shù)資料
| 型號(hào)： | SAA7325 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Digital servo processor and Compact Disc decoder with integrated DAC (CD10 II)(具有綜合數(shù)模轉(zhuǎn)換器（DAC）的數(shù)字伺服處理器和光盤譯碼器) |
| 中文描述： | 數(shù)字伺服處理器和光盤解碼器集成了援會(huì)（CD10型二）（具有綜合數(shù)模轉(zhuǎn)換器（DAC）的的數(shù)字伺服處理器和光盤譯碼器） |
| 文件頁數(shù)： | 12/68頁 |
| 文件大?。?/td> | 281K |
| 代理商： | SAA7325 |
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2
1
P
P
D
d
S
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Fig.7 Simplified data flow of decoder functions.
o
SUBCODE
PROCESSOR
DIGITAL PLL
AND
DEMODULATOR
FIFO
ERROR
CORRECTOR
FADE/MUTE/
INTERPOLATE
DIGITAL
FILTER
PHASE
COMPENSATION
DE-EMPHASIS
FILTER
KILL
1
0
1
0
1
0
1
0
1
0
I
2
S/EIAJ BUS
INTERFACE
I
2
S/EIAJ
LOOPBACK
INTERFACE
WCLI
SCLI
SDI
LN
LP
RN
RP
SCLK
WCLK
DATA
EF
decoder
reg 3
Vneg
decoder reg C
decoder reg 3
reg F
decoder reg A
1
0
1: decoder reg 3
≠
101X
0: decoder reg 3
=
101X
(CD-ROM modes)
1: shadow reg 7
=
XX1X
0: shadow reg 7
=
XX0X
1: shadow reg 7
=
XX1X
0: shadow reg 7
=
XX0X
0: reg D
=
XX01
1: decoder reg A
=
XX0X
0: decoder reg A
≠
XX1X
V4 SUBCODE
INTERFACE
MICROCONTROLLER
INTERFACE
CD GRAPHICS
INTERFACE
EBU
INTERFACE
SBSY
SFSY
SUB
RCK
DOBM
V4
SDA
output from
data slicer
1: decoder reg 3 = XX10
(1fs mode)
≠
XX10
1: no pre-emphasis detected
OR reg D
=
01XX
(de-emphasis signal at V5)
0: pre-emphasis detected
AND reg D
≠
01XX
KILL
V3
MGS180
1
0
ONBOARD
DAC
1: shadow reg 7
=
XXX1
0: shadow reg 7
=
XXX0
1
0
1
0
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