Host Interface
Table 4.27 Device parameter information (2/6)
Word | Value | Bits | Description |
|
|
|
|
50 | 0000h |
| Reserved |
|
|
|
|
51 | 0200h | PIO data transfer cycle timing mode | |
|
| Reserved | |
|
|
|
|
520000h
530007h
2 | Information in word 88 is valid. (1b) |
1Information in words 64 to 70 is valid. (1b)
0Information in words 54 to 58 is valid. (1b)
0000h |
| Reserved | ||
|
|
|
|
|
63 | 0407h | 15- | Reserved (0b) | |
|
| 11 |
|
|
| (Default value) | 10 | Multiword DMA transfer mode 2 is selected. | |
|
| 9 | Multiword DMA transfer mode 1 is selected. | |
|
|
| Multiword DMA transfer mode 0 is selected. |
|
|
| 8 |
| |
|
| Reserved (0b) |
| |
|
| 2 | Multiword DMA transfer modes 2 to1 are supported.(1b) |
|
|
| 1 | Multiword DMA transfer modes 1 and 0 are supported.(1b) | |
|
| 0 | Multiword DMA transfer modes 0 is supported.(1b) | |
|
|
|
| |
64 | 0003h | Reserved (0b) | ||
|
| 1 | PIO transfer modes 4 and under are supported.(1b) | |
|
| 0 | PIO transfer modes 3 and under are supported.(1b) | |
|
|
|
| |
65 | 0078h (120) |
| Minimum multiword DMA transfer time per word (ns) | |
|
|
|
| |
66 | 0078h (120) |
| Recommended multiword DMA transfer time (ns) | |
|
|
|
| |
67 | 0078h (120) |
| Minimum PIO transfer cycle time when flow control is disabled | |
|
|
| (ns) | |
|
|
|
| |
68 | 0078h (120) |
| Minimum PIO transfer cycle time when flow control using | |
|
|
| IORDY is enabled (ns) | |
|
|
|
| |
0000h |
| Reserved | ||
|
|
|
| |
71 | 07D0h (2000) |
| Required time after the PACKET command is received until the | |
|
|
| bus is released (#s) (Typical) | |
|
|
|
| |
72 | 0000h (0000) |
| Required time after the SERVICE command is received until | |
|
|
| BSY is cleared (#s) (Typical) | |
|
|
|
| |
0000h |
| Reserved | ||
|
|
|
|
|