CC1110Fx / CC1111Fx
Byte
Bit
Field Name
Description
Offset
0
1
2
7:0
7:0
7:0
SRCADDR[15:8]
SRCADDR[7:0]
DESTADDR[15:8]
The DMA channel source address, high byte
The DMA channel source address, low byte
The DMA channel destination address, high byte.
Note that flash memory is not directly writeable.
The DMA channel destination address, low byte.
Note that flash memory is not directly writeable.
Transfer count mode.
3
4
7:0
7:5
DESTADDR[7:0]
VLEN[2:0]
000
001
010
011
100
101
110
111
Use LENfor transfer count
Transfer number of bytes/words commanded by n + 1
Transfer number of bytes/words commanded by n
Transfer number of bytes/words commanded by n + 2
Transfer number of bytes/words commanded by n + 3
Reserved
Reserved
Alternative for using LENas transfer count
Note: For byte size transfers (see Section 12.5.2.4), n is defined as the first byte in
source data or the 7 LSB of the first byte in source data, depending on the M8
setting (see Section12.5.2.9). For word size transfers, n is the 13 LSB of the first
word in source data
4
5
4:0
7:0
LEN[12:8]
LEN[7:0]
This value is used as transfer count when VLEN=000or VLEN=111(fixed length
transfer count). For all cases where VLEN≠000and VLEN≠111 (variable length
transfer count), the transfer count will be limited to LENbytes/words when n ≥ LEN.
In cases where n < LEN, the transfer count is given by the VLENsetting.
6
6
7
WORDSIZE
TMODE[1:0]
Selects whether each transfer shall be 8-bit (0) or 16-bit (1).
Transfer mode:
6:5
00
01
10
11
Single
Block
Repeated single
Repeated block
6
4:0
TRIG[4:0]
Select DMA trigger
00000
00001
No trigger (writing to DMAREQ is only trigger)
The previous DMA channel finished
00010
-
Selects one of the triggers shown in Table 51. The trigger is selected in the
order shown in the table.
11111
7
7
7:6
5:4
SRCINC[1:0]
Source address increment mode (after each transfer)
00
01
10
11
0 bytes/words
1 bytes/words
2 bytes/words
–1 bytes/words
DESTINC[1:0]
Destination address increment mode (after each transfer)
00
01
10
11
0 bytes/words
1 bytes/words
2 bytes/words
–1 bytes/words
SWRS033H
Page 108 of 246
TI [ TEXAS INSTRUMENTS ]
