Техническая Спецификация для Atmel Evaluation Kit AT91SAM9X25-EK AT91SAM9X25-EK
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Модели
AT91SAM9X25-EK
566
SAM9X25 [DATASHEET]
11054E–ATARM–10-Mar-2014
32.7.8 UDPHS Endpoint Configuration Register
Name: UDPHS_EPTCFGx
[x=0..6]
Address:
0xF803C100 [0], 0xF803C120 [1], 0xF803C140 [2], 0xF803C160 [3], 0xF803C180 [4], 0xF803C1A0 [5],
0xF803C1C0 [6]
Access:
Read-write
• EPT_SIZE: Endpoint Size
Set this field according to the endpoint size in bytes (see
Note:
1. 1024 bytes is only for isochronous endpoint.
• EPT_DIR: Endpoint Direction
0 = Clear this bit to configure OUT direction for Bulk, Interrupt and Isochronous endpoints.
1 = Set this bit to configure IN direction for Bulk, Interrupt and Isochronous endpoints.
For Control endpoints this bit has no effect and should be left at zero.
• EPT_TYPE: Endpoint Type
(Endpoint 0 should always be configured as control)
31
30
29
28
27
26
25
24
EPT_MAPD
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
NB_TRANS
7
6
5
4
3
2
1
0
BK_NUMBER
EPT_TYPE
EPT_DIR
EPT_SIZE
Value
Name
Description
0
8
8 bytes
1
16
16 bytes
2
32
32 bytes
3
64
64 bytes
4
128
128 bytes
5
256
256 bytes
6
512
512 bytes
7
1024
1024 bytes