EDMA3 Registers
11.4.2.7.10 Destination FIFO Options Register (DFOPTn)
The destination FIFO options register (DFOPTn) is shown in
and described in
NOTE:
The value for n varies from 0 to DSTREGDEPTH for the given EDMA3TC.
Figure 11-124. Destination FIFO Options Register (DFOPTn)
31
23
22
21
20
19
18
17
16
Reserved
TCCHEN
Rsvd
TCINTEN
Reserved
TCC
R-0
R/W-0
R-0
R/W-0
R-0
R/W-0
15
12
11
10
8
7
6
4
3
2
1
0
TCC
Rsvd
FWID
Rsvd
PRI
Reserved
DAM
SAM
R/W-0
R-0
R/W-0
R-0
R/W-0
R-0
R/W-0 R/W-0
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Table 11-109. Destination FIFO Options Register (DFOPTn) Field Descriptions
Bit
Field
Value
Description
31-23
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
22
TCCHEN
Transfer complete chaining enable
0
Transfer complete chaining is disabled
1
Transfer complete chaining is enabled
21
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
20
TCINTEN
Transfer complete interrupt enable.
0
Transfer complete interrupt is disabled.
1
Transfer complete interrupt is enabled.
19-18
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
17-12
TCC
0-3Fh
Transfer complete code. This 6-bit code is used to set the relevant bit in CER or IPR of the EDMA3PCC
module.
11
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
10-8
FWID
0-7h
FIFO width. Applies if either SAM or DAM is set to constant addressing mode.
0
FIFO width is 8-bit.
1h
FIFO width is 16-bit.
2h
FIFO width is 32-bit.
3h
FIFO width is 64-bit.
4h
FIFO width is 128-bit.
5h
FIFO width is 256-bit.
6h-7h
Reserved.
7
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
6-4
PRI
0-7h
Transfer priority
0
Priority 0 - Highest priority
1h-6h
Priority 1 to priority 6
7h
Priority 7 - Lowest priority
3-2
Reserved
0
Reserved. Always write 0 to this bit; writes of 1 to this bit are not supported and attempts to do so may
result in undefined behavior.
1012
Enhanced Direct Memory Access (EDMA)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated