Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD 数据表
产品代码
AT32UC3A3-XPLD
711
32072H–AVR32–10/2012
AT32UC3A3
27.8.2.17
Device DMA Channel n Next Descriptor Address Register
Register Name:
UDDMAnNEXTDESC, n in [1..7]
Access Type:
Read/Write
Offset:
0x0310 + (n - 1) * 0x10
Reset Value:
0x00000000
• NXTDESCADDR: Next Descriptor Address
This field contains the bits 31:4 of the 16-byte aligned address of the next channel descriptor to be processed.
This field is written either or by descriptor loading.
31
30
29
28
27
26
25
24
NXTDESCADDR[31:24]
23
22
21
20
19
18
17
16
NXTDESCADDR[23:16]
15
14
13
12
11
10
9
8
NXTDESCADDR[15:8]
7
6
5
4
3
2
1
0
NXTDESCADDR[7:4]
-
-
-
-