EDMA3 Registers
Table 11-100. Source Active Options Register (SAOPT) Field Descriptions (continued)
Bit
Field
Value
Description
6-4
PRI
0-7h
Transfer priority. Reflects the values programmed in the QUEPRI register in the EDMACC.
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.
1
DAM
Destination address mode within an array
0
Increment (INCR) mode. Destination addressing within an array increments.
1
Constant addressing (CONST) mode. Destination addressing within an array wraps around upon
reaching FIFO width.
0
SAM
Source address mode within an array
0
Increment (INCR) mode. Source addressing within an array increments.
1
Constant addressing (CONST) mode. Source addressing within an array wraps around upon reaching
FIFO width.
1006
Enhanced Direct Memory Access (EDMA)
SPRUH73H – October 2011 – Revised April 2013
Copyright © 2011–2013, Texas Instruments Incorporated