FUJITSU MHA2032AT User Manual
Page 10

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