Fujitsu MPF3XXXAT manual Theory of Device Operation

3.4	Jumper Settings	3	- 12
3.4.1	Location of setting jumpers	3	- 12
3.4.2	Factory default setting	3	- 13
3.4.3	Jumper configuration	3	- 13
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	- 2
4.2.4	Actuator	4	- 2
4.2.5	Air filter	4	- 3
4.3	Circuit Configuration	4	- 4
4.4	Power-on Sequence	4	- 5
4.5	Self-calibration	4	- 7
4.5.1	Self-calibration contents	4	- 7
4.5.2	Execution timing of self-calibration	4	- 8
4.5.3	Command processing during self-calibration	4	- 8
4.6	Read/write Circuit	4	- 9
4.6.1	Read/write preamplifier (PreAMP)	4	- 9
4.6.2	Write circuit	4	- 9
4.6.3	Read circuit	4	- 9
4.6.4	Time base generator circuit	4	- 10
4.7	Servo Control	4	- 12
4.7.1	Servo control circuit	4	- 12
4.7.2	Data-surface servo format	4	- 15
4.7.3	Servo frame format	4	- 16
4.7.4	Actuator motor control	4	- 17
4.7.5	Spindle motor control	4	- 18
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

viii C141-E099-01EN