Техническая Спецификация для Atmel Evaluation Kit for AT32uC3A0512, 32-Bit AVR Microcontroller Atmel ATEVK1105 ATEVK1105
Модели
ATEVK1105
548
AT32UC3A
30.8.1.6
USB IP Features Register (UFEATURES)
Offset:
0x081C
Register Name:
UFEATURES
Access Type:
Read-Only
Read Value:
0x00012467
• EPT_NBR_MAX: Maximal Number of Pipes/Endpoints
This field indicates the number of hardware-implemented pipes/endpoints:
• DMA_CHANNEL_NBR: Number of DMA Channels
This field indicates the number of hardware-implemented DMA channels:
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
BYTE_WRITE
_DPRAM
FIFO_MAX_SIZE
DMA_FIFO_WORD_DEPTH
r
r
r
0
0
1
0
0
1
0
0
7
6
5
4
3
2
1
0
DMA_BUFFER
_SIZE
DMA_CHANNEL_NBR
EPT_NBR_MAX
r
r
r
0
1
1
0
0
1
1
1
EPT_NBR_MAX
Maximal Number of Pipes/Endpoints
0
0
0
0
16
0
0
0
1
1
0
0
1
0
2
...
...
1
1
1
1
15
DMA_CHANNEL_NBR
Number of DMA Channels
0
0
0
Reserved
0
0
1
1
0
1
0
2
...
...
1
1
1
7
32058K
AVR32-01/12