Contents
C141-E203-01EN xi
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
Содержание MHT2040BH
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