Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK Hoja De Datos
Los códigos de productos
AT91SAM9X25-EK
508
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
31.7.4 DMAC Software Chunk Transfer Request Register
Name:
DMAC_CREQ
Address:
0xFFFFEC0C (0), 0xFFFFEE0C (1)
Access:
Read-write
Reset:
0x00000000
• DCREQx: Destination Chunk Request
Request a destination chunk transfer on channel i.
• SCREQx: Source Chunk Request
Request a source chunk transfer on channel i.
31
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25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
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10
9
8
DCREQ7
SCREQ7
DCREQ6
SCREQ6
DCREQ5
SCREQ5
DCREQ4
SCREQ4
7
6
5
4
3
2
1
0
DCREQ3
SCREQ3
DCREQ2
SCREQ2
DCREQ1
SCREQ1
DCREQ0
SCREQ0