Fujitsu MPA3026AT, MPA3043AT, MPA3052AT, MPA3035AT, MPA3017AT Theory of Device Operation, Interface

3.4.1	Location of setting jumpers		3	- 9
3.4.2	Factory default setting		3	- 10
3.4.3	Jumper configuration		3	- 10
CHAPTER 4		THEORY OF DEVICE OPERATION	4	- 1
4.1	Outline		4	- 1
4.2	Subassemblies		4	- 1
4.2.1	Disk		4	- 1
4.2.2	Head		4	- 2
4.2.3	Spindle		4	- 3
4.2.4	Actuator	................................................................................................................................	4	- 3
4.2.5	Air filter	................................................................................................................................	4	- 3
4.3	Circuit Configuration		4	- 4
4.4	Power-on Sequence		4	- 6
4.5	Self-calibration		4	- 8
4.5.1	Self-calibration contents		4	- 8
4.5.2	Execution timing of self-calibration		4	- 9
4.5.3	Command processing during self-calibration		4 - 9
4.6	Read/write Circuit		4	- 10
4.6.1	Read/write preamplifier (PreAMP)		4 - 10
4.6.2	Write circuit		4	- 10
4.6.3	Read circuit		4	- 12
4.6.4	Time base generator circuit		4	- 14
4.7	Servo Control		4	- 15
4.7.1	Servo control circuit		4	- 16
4.7.2	Data-surface servo format		4	- 19
4.7.3	Servo frame format		4	- 19
4.7.4	Actuator motor control		4	- 20
4.7.5	Spindle motor control		4	- 21
CHAPTER 5		INTERFACE	5	- 1
5.1	Physical Interface		5	- 2
5.1.1	Interface signals		5	- 2
5.1.2	Signal assignment on the connector		5	- 3
5.2	Logical Interface		5	- 6
5.2.1	I/O registers		5	- 6

viii C141-E034-02EN