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FUJITSU MHV2060BH User Manual

Page 15

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Contents

C141-E224

xi

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............................................................................................4-10

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 .....................................................................4-16

4.7.3 Servo frame format................................................................................4-18

4.7.4 Actuator motor control ..........................................................................4-19

4.7.5 Spindle motor control............................................................................4-20

CHAPTER 5

Interface ..................................................................................... 5-1

5.1 Physical Interface ..............................................................................................5-2

5.1.1

Interface signals ....................................................................................5-2

5.1.2

Signal interface regulation ....................................................................5-4

5.1.2.1 Out of band signaling .................................................................5-4

5.1.2.2 Primitives

descriptions ...............................................................5-5

5.1.3

Electrical specifications ........................................................................5-7

5.1.4

Connector pinouts ...............................................................................5-10

5.1.5

P11 function ........................................................................................5-11

5.1.5.1

Staggered Spin-up ....................................................................5-11

5.1.5.2

Driving Ready LED..................................................................5-11

5.1.6

Hot Plug ..............................................................................................5-13

5.2 Logical Interface..............................................................................................5-14

5.2.1

Communication layers ........................................................................5-15

5.2.2

Outline of the Shadow Block Register................................................5-16

5.2.3

Outline of the frame information structure (FIS)................................5-17

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