saa7372 NXP Semiconductors, saa7372 Datasheet - Page 2

• Manufacturer Part Number: saa7372
• Description: Digital Servo Processor And Compact Disc Decoder Cd7
• Manufacturer: NXP Semiconductors

Philips Semiconductors
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
7.6.2
7.7
7.7.1
7.7.2
7.7.3
7.7.4
7.7.5
7.8
7.9
7.9.1
7.10
7.11
7.12
7.13
7.13.1
7.13.3
7.13.4
1998 Feb 26
Digital servo processor and Compact Disc
decoder (CD7)
FEATURES
GENERAL DESCRIPTION
QUICK REFERENCE DATA
ORDERING INFORMATION
BLOCK DIAGRAM
PINNING
FUNCTIONAL DESCRIPTION
Decoder part
Principle 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)
interface
V4 subcode interface
FIFO error corrector
Flags output (CFLG)
C2FAIL
Audio functions
De-emphasis and phase linearity
Digital oversampling filter
Concealment
Mute, full-speed, attenuation and fade
Peak detector
DAC interface
EBU interface
Format
KILL circuit
Audio features off
The VIA interface
Spindle motor control
Motor output modes
Loop characteristics
FIFO overflow
2
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
7.15
7.15.1
7.15.2
7.15.3
7.15.4
7.15.5
8
9
10
11
12
13
14
15
15.1
15.2
15.3
15.4
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
Microcontroller interface
Microprocessor interface (4-wire bus mode)
Microcontroller interface (I
Summary of functions controlled by
registers 0 to F
Summary of servo commands
Summary of servo command parameters
LIMITING VALUES
OPERATING CHARACTERISTICS
OPERATING CHARACTERISTICS
(SUBCODE INTERFACE TIMING)
OPERATING CHARACTERISTICS
(I
OPERATING CHARACTERISTICS
(MICROCONTROLLER INTERFACE TIMING)
APPLICATION INFORMATION
PACKAGE OUTLINE
SOLDERING
Introduction
Reflow soldering
Wave soldering
Repairing soldered joints
DEFINITIONS
LIFE SUPPORT APPLICATIONS
PURCHASE OF PHILIPS I
2
S-BUS TIMING)
Product specification
2
2
C-bus mode)
C COMPONENTS
SAA7372