Fujitsu MHN2200AT, MHN2150AT, MHN2100AT, MHN2300AT manual Interface

Contents

4.6.2	Write circuit		4-10
4.6.3	Read circuit	4-13
4.6.4	Digital PLL circuit			4-14
4.7	Servo Control		4-15
4.7.1	Servo control circuit				4-15
4.7.2	Data-surface servo format					4-18
4.7.3	Servo frame format			4-20
4.7.4	Actuator motor control					4-21
4.7.5	Spindle motor control				4-22
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		5-13
5.3.1	Command code and parameters						5-14
5.3.2	Command descriptions					5-16
5.3.3	Error posting		5-88
5.4	Command Protocol			5-90
5.4.1	PIO Data transferring commands from device to host							5-90
5.4.2	PIO Data transferring commands from host to device							5-92
5.4.3	Commands without data transfer						5-94
5.4.4	Other commands			5-96
5.4.5	DMA data transfer commands						5-96
5.5	Ultra DMA Feature Set				5-99

5.5.1Overview 5-99

5.5.2	Phases of operation 5-100
5.5.3	Ultra DMA data in commands 5-100

C141-E120-02EN xi