參數(shù)資料
型號： SAA7326
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（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)： 9/68頁
文件大?。?/td> 284K
代理商： SAA7326
2000 Jun 26
9
Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10 II)
SAA7326
7.1.3
L
OCK
-
TO
-
DISC MODE
Forelectronicshockabsorptionapplications,theSAA7326
can be put into lock-to-disc mode. This allows Constant
Angular Velocity (CAV) disc playback with varying input
data rates from the inside-to-outside of the disc.
In the lock-to-disc mode, the FIFO is blocked and the
decoder will adjust its output data rate to the disc speed.
Hence, the frequency of the I
2
S-bus (WCLK and SCLK)
clocksaredependentonthedisc speed.In thelock-to-disc
mode there is a limit on the maximum variation in disc
speed that the SAA7326 will follow. Disc speeds must
always be within 25% to 100% range of their nominal
value. The lock-to-disc mode is enabled/disabled by
decoder register E.
7.1.4
S
TANDBY MODES
The SAA7326 may be placed in two standby modes
selected by decoder register B (it should be noted that the
device core is still active):
Standby 1: CD-STOP mode; most I/O functions are
switched off
Standby 2: CD-PAUSE mode; audio output features are
switched off, but the motor loop, the motor output and
the subcode interfaces remain active; this is also called
a ‘Hot Pause’.
In the standby modes the various pins will have the
following values:
MOTO1 and MOTO2: put in high-impedance, PWM
mode (standby 1 and reset: operating in standby 2); put
in high-impedance, PDM mode (standby 1 and reset:
operating in standby 2)
SCL and SDA: no interaction; normal operation
continues
SCLK, WCLK, DATA, EF and DOBM: 3-state in both
standby modes; normal operation continues after reset
CRIN, CROUT, CL16 and CL11/4: no interaction;
normal operation continues
V1, V2/V3, V4, V5 and CFLG: no interaction; normal
operation continues.
Table 1
Playback speeds
Notes
1.
The CL11 output is always a 5.6448 MHz clock if a 16.9344 MHz external clock is used and SELPLL = 0. CL11 is
available on the CL11/4 output, enabled by programming shadow register 3 (see Section 7.15.3).
Data capture performance is not optimized for this option.
2.
REGISTER B
SELPLL
CRYSTAL FREQUENCY (MHz)
CL11 FREQUENCY (MHz)
(1)
33.8688
16.9344
n = 1
n = 1
n = 2
(2)
n = 2
8.4672
n = 1
n = 2
00XX
00XX
01XX
01XX
10XX
10XX
11XX
11XX
0
1
0
1
0
1
0
1
n = 1
n = 2
11.2896
11.2896
5.6448
11.2896
11.2896
11.2896
5.6448
11.2896
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SAA7326H 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 CD10
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
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