Contents

 

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

4-14

 

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 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

5-6

 

5.1.4

Connector pinouts

5-8

 

5.2 Logical Interface

5-9

 

5.2.1

Communication layers

5-10

 

5.2.2 Outline of the Shadow Block Register

5-11

 

5.2.3 Outline of the frame information structure (FIS)

5-12

 

5.2.3.1

FIS types

5-12

 

5.2.3.2

Register - Host to Device

5-12

 

5.2.3.3

Register - Device to Host

5-13

 

5.2.3.4 DMA Active - Device to Host

5-13

 

5.2.3.5 DMA Setup - Device to Host or Host to Device (Bidirectional)

5-14

 

5.2.3.6

BIST Active - Bidirectional

5-15

 

5.2.3.7 Data - Host to Device or Device to Host (Bidirectional)

5-16

 

5.2.4

Shadow block registers

5-17

 

5.3 Host Commands

5-22

 

5.3.1 Command code and parameters

5-22

C141-E203-01EN

xi

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Fujitsu MHT2060BH, MHT2040BH, MHT2080BH manual Interface