JMicron/JM20330
Version 3.0 March 2008
© JMicron 2008. All rights reserved. Page 4 Copying prohibited.
Table of Contents
1. General Description..............................................................................................6
2. Features ...............................................................................................................7
2.1 General......................................................................................................7
2.2 Host Bridge................................................................................................8
2.3 Device Bridge ............................................................................................9
3. Block Diagram ....................................................................................................10
3.1 Physical Layer .........................................................................................10
3.2 Link Layer ................................................................................................10
3.3 Transport Layer .......................................................................................10
3.4 Application Layer .....................................................................................10
4. Package .............................................................................................................11
4.1 Package Dimensions ...............................................................................11
4.2 Package Pin-Out .....................................................................................13
4.3 Pin List Table ...........................................................................................14
5. Pin Description ...................................................................................................15
5.1 Pin Type Definition...................................................................................15
5.2 Crystal Interface.......................................................................................15
5.3 Serial ATA Interface .................................................................................15
5.4 Parallel ATA Interface...............................................................................16
5.5 Power Supply ..........................................................................................17
5.6 Configuration Interface ............................................................................18
5.7 Parallel ATA Reverse Order .....................................................................19
6. Supported ATA/ATAPI Command List.................................................................20
6.1 PIO Data-in Commands...........................................................................20
6.2 PIO Data-Out Commands........................................................................20
6.3 DMA Data-In Commands.........................................................................21
6.4 DMA Data-Out Commands ......................................................................21
6.5 Queued DMA Commands........................................................................21
6.6 PACKET/DIAG Commands .....................................................................21
6.7 Non-Data Commands ..............................................................................21
6.8 ATAPI PACKET Commands ....................................................................22
6.9 Ultra DMA Transfer Rate..........................................................................24
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