FUJITSU MHV2060BH User Manual
Page 15

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