Contents
4.6.3
Read circuit
........................................................................................
4-11
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
5.1.3
Electrical specifications
.......................................................................
5-6
5.1.4
Connector pinouts
................................................................................
5-7
5.1.5
P11 function
.........................................................................................
5-8
5.1.6
Hot Plug
.............................................................................................
5-10
5.2
Logical Interface
.............................................................................................
5-11
5.2.1
Communication layers
.......................................................................
5-12
5.2.2
Outline of the Shadow Block Register
..............................................
5-13
5.2.3
Outline of the frame information structure (FIS)
...............................
5-14
5.2.4
Shadow block registers
......................................................................
5-22
5.3
Host Commands
..............................................................................................
5-27
5.3.1
Command code and parameters
.........................................................
5-27
5.3.2
Command descriptions
......................................................................
5-30
(1)
RECALIBRATE (X '10' to X '1F')
..........................................
5-31
(2)
READ SECTOR(S) (X '20' or X '21')
.....................................
5-32
(3)
WRITE SECTOR(S) (X '30' or X '31')
...................................
5-34
(4)
WRITE VERIFY (X '3C')
.......................................................
5-36
(5)
READ VERIFY SECTOR(S) (X '40' or X '41')
......................
5-38
(6)
SEEK (X '70' to X '7F')
...........................................................
5-40
(7)
EXECUTE DEVICE DIAGNOSTIC (X '90')
.........................
5-41
(8)
INITIALIZE DEVICE PARAMETERS (X '91')
....................
5-42
C141-E293
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