Fujitsu MHU2100AT manual Interface, Contents

				Contents
	4.6.2	Write circuit		4-9
	4.6.3	Read circuit		4-10
	4.6.4	Digital PLL circuit		4-11
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		4-17
	4.7.4	Actuator motor control		4-18
	4.7.5	Spindle motor control		4-19
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		5-7
	5.2.2	Command block registers		5-8
	5.2.3	Control block registers		5-13
5.3 Host Commands				5-14
	5.3.1 Command code and parameters			5-14
	5.3.2 Command descriptions			5-18
		(1)	RECALIBRATE (X’10’ to X’1F’)	5-20
		(2)	READ SECTOR(S) (X’20’ or X’21’)	5-21
		(3)	READ LONG (X’22’ or X’23’)	5-23
		(4)	WRITE SECTOR(S) (X’30’ or X’31’)	5-24
		(5)	WRITE LONG (X’32’ or X’33’)	5-26
		(6)	WRITE VERIFY (X’3C’)	5-27
		(7)	READ VERIFY SECTOR(S) (X’40’ or X’41’)	5-28
		(8)	SEEK (X’70’ to X’7F’)	5-29
		(9)	EXECUTE DEVICE DIAGNOSTIC (X’90’)	5-30
		(10) INITIALIZE DEVICE PARAMETERS (X’91’)		5-32
		(11) DOWNLOAD MICRO CODE (X’92’)		5-33
		(12) STANDBY IMMEDIATE (X’94’ or X’E0’)		5-35

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