NXP Semiconductors K22F series, Reference Manual, Page: 469 / 1407

DMA_DCHPRIn field descriptions (continued)
Field Description
6
DPA
Disable Preempt Ability.
0 Channel n can suspend a lower priority channel.
1 Channel n cannot suspend any channel, regardless of channel priority.
5–4
Reserved
This field is reserved.
This read-only field is reserved and always has the value 0.
CHPRI Channel n Arbitration Priority
Channel priority when fixed-priority arbitration is enabled
NOTE: Reset value for the channel priority field, CHPRI, is equal to the corresponding channel number
for each priority register, that is, DCHPRI15[CHPRI] = 0b1111.
22.3.22 TCD Source Address (DMA_TCDn_SADDR)
Address: 4000_8000h base + 1000h (32d × i), where i=0d to 15d
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
R
SADDR
W
Reset
x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x*
* Notes:
x = Undefined at reset. •
DMA_TCDn_SADDR field descriptions
Field Description
SADDR Source Address
Memory address pointing to the source data.
22.3.23 TCD Signed Source Address Offset (DMA_TCDn_SOFF)
Address: 4000_8000h base + 1004h (32d × i), where i=0d to 15d
Bit 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Read
SOFF
Write
Reset x* x* x* x* x* x* x* x* x* x* x* x* x* x* x* x*
* Notes:
x = Undefined at reset. •
Chapter 22 Enhanced Direct Memory Access (eDMA)
K22F Sub-Family Reference Manual, Rev. 4, 08/2016
NXP Semiconductors 469