
Functional Decriptions
PRELIMINARY DRAFT
PD OUTPUTS
PICK UP
ELECTRONICS
10
VREF1
LD-MON1
LD-PC1
LD-MON2
LD-PC2
PICK UP
INTERFACE
SERVO SYSTEM
SERVO
CONTROL
PROCESSOR
(SCP)
SERVO
DACS
MICROCONTROLLER
INTERFACE
DAC
OUTPUTS
4
VREF2
PWM-SP
MOTION
MICROCONTROLLER
SPIN
TRANSDUCER
SPINDLE
MOTOR
POWER AMPS
SLED
MOTOR
FOCUS
ACTUATOR
TRACKING
ACTUATOR
Figure 2. Servo System Diagram
7
www.cirrus.com
CONFIDENTIAL
DS587PP1 - rev 0.1 April 11, 2002
© Copyright 2002 Cirrus Logic Inc.