12 dmac channel handler status register – Rainbow Electronics AT91CAP9S250A User Manual
Page 322
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322
6264A–CAP–21-May-07
AT91CAP9S500A/AT91CAP9S250A
26.5.12
DMAC Channel Handler Status Register
Name: DMAC_CHSR
Access: Read-only
Reset Value: 0x00FF0000
• ENA[3:0]
A one in any position of this field indicates that the relevant channel is enabled.
• SUSP[3:0]
A one in any position of this field indicates that the channel transfer is suspended.
• EMPT[3:0]
A one in any position of this field indicates that the relevant channel is empty.
• STAL[3:0]
A one in any position of this field indicates that the relevant channel is stalling.
31
30
29
28
27
26
25
24
–
–
–
–
STAL3
STAL2
STAL1
STAL0
23
22
21
20
19
18
17
16
–
–
–
–
EMPT3
EMPT2
EMPT1
EMPT0
15
14
13
12
11
10
9
8
–
–
–
–
SUSP3
SUSP2
SUSP1
SUSP0
7
6
5
4
3
2
1
0
–
–
–
–
ENA3
ENA2
ENA1
ENA0
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