Transfer Descriptor CONTROL Word (Control – Offset 18h)

Transfer Descriptor CONTROL Word (Control – Offset 18h) - 4.1 English

AXI Central Direct Memory Access LogiCORE IP Product Guide (PG034)

Document ID

PG034

Release Date

2022-05-18

Version

4.1 English

This value provides control for the AXI CDMA transfer.

Figure 3-8: Transfer Descriptor CONTROL Word
X-Ref Target - Figure 3-8

Table 3-8: Transfer Descriptor CONTROL Word Details
Bits	Field Name	Description
31 to 26	Reserved	These bits are reserved and should be set to zero.
25 to 0	BTT	Bytes to Transfer. This field in the Control word specifies the desired number of bytes to DMA from the Source Address to the Destination Address. A maximum of 67,108,863 bytes of data can be specified by this field for the associated transfer. A value of zero (0) is not allowed and causes a DMA internal error to be set by AXI CDMA.