
Contents
4.6.2 | Write circuit |
|
|
|
|
| ||
4.6.3 | Read circuit |
|
|
|
| |||
4.6.4 | Digital PLL circuit |
|
| |||||
4.7 | Servo Control |
|
|
|
|
| ||
4.7.1 | Servo control circuit |
|
| |||||
4.7.2 |
| |||||||
4.7.3 | Servo frame format |
|
| |||||
4.7.4 | Actuator motor control |
|
|
| ||||
4.7.5 | Spindle motor control |
|
| |||||
CHAPTER 5 Interface ..................................................................................... | ||||||||
5.1 | Physical Interface |
|
|
|
| |||
5.1.1 | Interface signals |
|
|
|
| |||
5.1.2 | Signal assignment on the connector |
| ||||||
5.2 | Logical Interface |
|
|
|
| |||
5.2.1 | I/O registers |
|
|
|
|
| ||
5.2.2 | Command block registers |
|
| |||||
5.2.3 | Control block registers |
|
|
| ||||
5.3 | Host Commands |
|
|
|
| |||
5.3.1 | Command code and parameters |
| ||||||
5.3.2 | Command descriptions |
|
|
| ||||
5.3.3 | Error posting |
|
|
|
|
| ||
5.4 | Command Protocol |
|
|
| ||||
5.4.1 | PIO Data transferring commands from device to host | |||||||
5.4.2 | PIO Data transferring commands from host to device | |||||||
5.4.3 | Commands without data transfer |
| ||||||
5.4.4 | Other commands |
|
|
| ||||
5.4.5 | DMA data transfer commands |
| ||||||
5.5 | Ultra DMA Feature Set |
|
|
5.5.1Overview
5.5.2 | Phases of operation |
5.5.3 | Ultra DMA data in commands |
xi |