Intel® IXP400 Software
Access-Layer Components: DMA Access Driver (IxDmaAcc) API
April 2005 IXP400 Software Version 2.0 Programmer’s Guide
122 Document Number: 252539, Revision: 007Table 15. DMA Modes Supported for Addressing Mode of Incremental Source Address andFixed Destination Address
Increment
Source
Address
Increment
Destination
Address Transfer Mode
Transfer Width
Source Transfer Width
Destination Copy Only Copy and
Clear
Copy and
Bytes
Swapping
Copy and
Bytes Reverse
8-bit 8-bit Supported Supported Supported Supported
8-bit 16-bit Supported Supported Supported Supported
8-bit 32-bit Supported Supported Supported Supported
8-bit Burst Not Supported Not Supported Not Supported Not Supported
16-bit 8-bit Supported Supported Supported Supported
16-bit 16-bit Supported Supported Supported Supported
16-bit 32-bit Supported Supported Supported Supported
16-bit Burst Not Supported Not Supported Not Supported Not Supported
32-bit 8-bit Supported Supported Supported Supported
32-bit 16-bit Supported Supported Supported Supported
32-bit 32-bit Supported Supported Supported Supported
32-bit Burst Not Supported Not Supported Not Supported Not Supported
Burst 8-bit Supported Supported Supported Sup ported
Burst 16-bit Supported Supported Supported Supported
Burst 32-bit Supported Supported Supported Supported
Burst Burst Not Supported Not Supported Not Supported Not Supported