DESCRIPTION 7.14.3 Focus servo system 7.14.4 Radial servo system 3 ORDERING INFORMATION 7.14.5 Off-track counting 4 QUICK REFERENCE DATA 7.14.6 Defect detection 5 BLOCK DIAGRAM 7.14.7 Off-track detection 6 PINNING 7.14.8 High-level features 7.14.9 Driver interface 7 FUNCTIONAL DESCRIPTION 7.14.10 Laser interface 7.1 Decoder part 7.14.11 Radial shock detector 7.1.1 Principal operational modes of the decoder 7.15 Microcontroller interface 7.1.2 Decoding speed and crystal frequency 7.15.1 Microcontroller interface (4-wire bus mode) 7.1.3 Lock-to-disc mode 7.15.2 Microcontroller interface (I2C-bus mode) 7.1.4 Standby modes 7.15.3 Decoder registers and shadow registers 7.2 Crystal oscillator 7.15.4 Summary of functions controlled by decoder 7.3 Data slicer and clock regenerator registers 0 to F 7.4 Demodulator 7.15.5 Summary of functions controlled by shadow 7.4.1 Frame sync protection registers 7.4.2 EFM demodulation 7.15.6 Summary of servo commands 7.5 Subcode data processing 7.15.7 Summary of servo command para