Download VDO TR 7327 B Specifications

Philips Semiconductors
Product specification
Digital servo processor and Compact Disc
decoder with integrated DAC for video CD (CD7 II)
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
CONTENTS
1
FEATURES
2
GENERAL DESCRIPTION
3
ORDERING INFORMATION
4
QUICK REFERENCE DATA
5
BLOCK DIAGRAM
6
PINNING
7
FUNCTIONAL DESCRIPTION
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
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
7.5.3
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
2000 Jun 26
7.15.6
7.15.7
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
8
LIMITING VALUES
9
CHARACTERISTICS
10
OPERATING CHARACTERISTICS
(SUBCODE INTERFACE TIMING)
11
OPERATING CHARACTERISTICS (I2S-BUS
TIMING)
12
OPERATING CHARACTERISTICS
(MICROCONTROLLER INTERFACE TIMING)
13
APPLICATION INFORMATION
14
PACKAGE OUTLINE
15
SOLDERING
15.1
Introduction to soldering surface mount
packages
Reflow soldering
Wave soldering
Manual soldering
Suitability of surface mount IC packages for
wave and reflow soldering methods
7.15.5
15.2
15.3
15.4
15.5
2
SAA7327
16
DATA SHEET STATUS
17
DEFINITIONS
18
DISCLAIMERS
19
PURCHASE OF PHILIPS I2C COMPONENTS