Datasheet

730
32072H–AVR32–10/2012
AT32UC3A3
This field is cleared upon sending a USB reset.
• AUTOSW: Automatic Switch
This bit is cleared upon sending a USB reset.
1: The automatic bank switching is enabled.
0: The automatic bank switching is disabled.
• PTOKEN: Pipe Token
This field contains the endpoint token.
• PSIZE: Pipe Size
This field contains the size of each pipe bank.
This field is cleared upon sending a USB reset.
• PBK: Pipe Banks
This field contains the number of banks for the pipe.
For control endpoints, a single-bank pipe (0b00) should be selected.
This field is cleared upon sending a USB reset.
0 1 Isochronous
10Bulk
1 1 Interrupt
PTOKEN Endpoint Direction
00 SETUP
01 IN
10 OUT
11 reserved
PSIZE Endpoint Size
0 0 0 8 bytes
00116 bytes
01032 bytes
01164 bytes
1 0 0 128 bytes
1 0 1 256 bytes
1 1 0 512 bytes
1 1 1 1024 bytes
PBK Endpoint Banks
0 0 1 (single-bank pipe)
0 1 2 (double-bank pipe)
1 0 3 (triple-bank pipe) if supported
(see Table 27-1 on page 624).
11Reserved
PTYPE Pipe Type