Atmel SAM4L Xplained Pro Starter Kit Atmel ATSAM4L-XSTK ATSAM4L-XSTK Data Sheet
Product codes
ATSAM4L-XSTK
416
42023E–SAM–07/2013
ATSAM4L8/L4/L2
17.7.3.11
Pipe n Configuration Register
Register Name:
UPCFGn, n in [0..7]
Access Type:
Read/Write
Offset:
0x0500 + (n * 0x04)
Reset Value:
0x00000000
• BINTERVAL: bInterval parameter
This field corresponds to the bus access period of the pipe.
For Interrupt pipe, this field corresponds to the desired period from 1 ms to 255 ms.
For isochronous pipe, this field corresponds to the desired period calculated as this: 2
(BInterval)
* 1 ms.
For bulk or control pipe, this field corresponds to the desired period from 1 ms to 255 ms.
This field is cleared upon sending a USB reset.
• PTYPE: Pipe Type
This field contains the pipe type.
This field is cleared upon sending a USB reset.
• PTOKEN: Pipe Token
This field contains the endpoint token.
31
30
29
28
27
26
25
24
BINTERVAL
23
22
21
20
19
18
17
16
-
-
-
-
-
-
-
-
15
14
13
12
11
10
9
8
-
-
PTYPE
-
-
PTOKEN
7
6
5
4
3
2
1
0
-
PSIZE
-
PBK
-
-
PTYPE
Pipe Type
0
0
Control
0
1
Isochronous
1
0
Bulk
1
1
Interrupt
PTOKEN
Endpoint Direction
00
SETUP
01
IN
10
OUT
11
reserved