SAA7325 Datasheet, PDF (2/68 Pages) NXP Semiconductors – Digital servo processor and Compact Disc decoder with integrated DAC CD10

Philips Semiconductors
Digital servo processor and Compact Disc
decoder with integrated DAC (CD10)
Product specification
SAA7325
CONTENTS
1
2
3
4
5
6
7
7.1
7.1.1
7.1.2
7.1.3
7.1.4
7.2
7.3
7.4
7.4.1
7.4.2
7.5
7.5.1
7.5.2
7.5.3
7.6
7.6.1
7.7
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.8
7.8.1
7.8.2
7.9
7.9.1
7.10
7.11
7.12
7.13
7.13.1
7.13.2
7.13.3
7.13.4
FEATURES
GENERAL DESCRIPTION
ORDERING INFORMATION
QUICK REFERENCE DATA
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Decoder part
Principal operational modes of the decoder
Decoding speed and crystal frequency
Lock-to-disc mode
Standby modes
Crystal oscillator
Data slicer and clock regenerator
Demodulator
Frame sync protection
EFM demodulation
Subcode data processing
Q-channel processing
EIAJ 3 and 4-wire subcode (CD graphics)
interfaces
V4 subcode interface
FIFO and error corrector
Flags output (CFLG)
Audio functions
De-emphasis and phase linearity
Digital oversampling filter
Concealment
Mute, full-scale, attenuation and fade
Peak detector
DAC interface
Internal bitstream digital-to-analog converter
(DAC)
External DAC interface
EBU interface
Format
KILL circuit
Audio features off
The VIA interface
Spindle motor control
Motor output modes
Spindle motor operating modes
Loop characteristics
FIFO overflow
7.14
7.14.1
7.14.2
7.14.3
7.14.4
7.14.5
7.14.6
7.14.7
7.14.8
7.14.9
7.14.10
7.14.11
7.15
7.15.1
7.15.2
7.15.3
7.15.4
7.15.5
7.15.6
7.15.7
8
9
10
11
12
13
14
15
15.1
15.2
15.3
15.4
15.5
16
17
18
Servo part
Diode signal processing
Signal conditioning
Focus servo system
Radial servo system
Off-track counting
Defect detection
Off-track detection
High-level features
Driver interface
Laser interface
Radial shock detector
Microcontroller interface
Microcontroller interface (4-wire bus mode)
Microcontroller interface (I²C-bus mode)
Decoder registers and shadow registers
Summary of functions controlled by decoder
registers 0 to F
Summary of functions controlled by shadow
registers
Summary of servo commands
Summary of servo command parameters
LIMITING VALUES
CHARACTERISTICS
OPERATING CHARACTERISTICS
(SUBCODE INTERFACE TIMING)
OPERATING CHARACTERISTICS (I²S-BUS
TIMING)
OPERATING CHARACTERISTICS
(MICROCONTROLLER INTERFACE TIMING)
APPLICATION INFORMATION
PACKAGE OUTLINE
SOLDERING
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I²C COMPONENTS
1999 Jun 17
2