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)

WRITE SECTOR(S) (X’30’ or X’31’)

5-23

 

 

(4)

WRITE VERIFY (X’3C’)

5-25

 

 

(5)

READ VERIFY SECTOR(S) (X’40’ or X’41’)

5-26

 

 

(6)

SEEK (X’70’ to X’7F’)

5-27

 

 

(7)

EXECUTE DEVICE DIAGNOSTIC (X’90’)

5-28

 

 

(8)

INITIALIZE DEVICE PARAMETERS (X’91’)

5-30

 

 

(9)

DOWNLOAD MICROCODE (X’92’)

5-31

 

 

(10) STANDBY IMMEDIATE (X’94’ or X’E0’)

5-33

 

 

(11) IDLE IMMEDIATE (X’95’ or X’E1’) / UNLOAD

 

 

 

 

IMMEDIATE (X’E1’)

5-34

C141-E218

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Fujitsu MHV2100AT, MHV2080AT, MHV2120AT, MHV2040AT, MHV2060AT manual Interface, Contents