3
TABLE OF CONTENTS
1.0 BLOCK DIAGRAM ........................................................................................................................... 4
1.1 CAPACITY SPECIFICATION .................................................................................................... 4
2.0 SPECIFICATION ........................................................................................................................ 5
2.1 PIN ASSIGNMENTS ................................................................................................................. 5
2.2 PIN DESCRIPTION ................................................................................................................. 6
3.0 ELECTRICAL CHARACTERISTICS...................................................................................... 8
3.1 ABSOLUTE MAXIMUM RATING ............................................................................................ 8
3.2 DC CHARACTERISTICS OF 5.0V I/O CELLS(HOST INTERFACE) ......................................... 8
3.3 AC CHARACTERISTICS ......................................................................................................... 9
3.3.1 PIO Data Transfer .................................................................................................. 9
3.3.2 Multiword DMA Data Transfer .......................................................................... 12
3.3.3 Ultra DMA Data Transfer .................................................................................... 15
3.4 POWER MANAGEMENT ....................................................................................................... 21
4.0 SOFTWARE INTERFACE ....................................................................................................... 21
4.1 ATA TASK FILE REGISTERS ............................................................................................... 21
4.2 COMMAND SETS .................................................................................................................. 22
4.3 IDENTIFY DRIVE INFORMATION ......................................................................................... 23
5.0 PHYSICAL DIMENSION ........................................................................................................ 25
6.0 WEIGHT .................................................................................................................................... 26
(5 pages)
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