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FUJITSU MHA2032AT User Manual

Page 10

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Contents

C141-E042-01EN

ix

4.6.3

Read circuit 4-12

4.6.4

Time base generator circuit 4-13

4.7

Servo Control 4-14

4.7.1

Servo control circuit 4-14

4.7.2

Data-surface servo format 4-18

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 assignment on the connector 5-2

5.2

Logical Interface 5-6

5.2.1

I/O registers 5-6

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 5-67

5.4

Command Protocol 5-69

5.4.1

Data transferring commands from device to host 5-69

5.4.2

Data transferring commands from host to device 5-71

5.4.3

Commands without data transfer 5-73

5.4.4

Other commands 5-74

5.4.5

DMA data transfer commands 5-74

5.5

Timing 5-76

5.5.1

PIO data transfer 5-76

5.5.2

Single word DMA data transfer 5-78

5.5.3

Multiword DMA data transfer 5-79

5.5.4

Power-on and reset 5-79

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