CHAPTER 6 DMA FUNCTIONS (DMA CONTROLLER)
108
User’s Manual U15195EJ5V0UD
(2) DMA source address registers 0L to 3L (DSA0L to DSA3L)
These registers can be read/written in 16-bit units.
15
SA15
DSA0L
Address
FFFFF080H
After reset
Undefined
14
SA14
13
SA13
12
SA12
11
SA11
10
SA10
9
SA9
8
SA8
7
SA7
6
SA6
5
SA5
4
SA4
3
SA3
2
SA2
1
SA1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
SA0
SA15
DSA1L
Address
FFFFF088H
After reset
Undefined
SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0
SA15
DSA2L
Address
FFFFF090H
After reset
Undefined
SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0
SA15
DSA3L
Address
FFFFF098H
After reset
Undefined
SA14 SA13 SA12 SA11 SA10 SA9 SA8 SA7 SA6 SA5 SA4 SA3 SA2 SA1 SA0
Bit position
Bit name
Function
15 to 0
SA15 to SA0
Sets the DMA source address (A15 to A0). During DMA transfer, it stores the next DMA
transfer source address.