SAM4L Datasheet, PDF (389/1185 Pages) ATMEL Corporation – ATSAM ARM-based Flash MCU

• EPSIZE: Endpoint Size
This field determines the size of each endpoint bank:
EPSIZE
Endpoint Size
0
0
0
8 bytes
0
0
1
16 bytes
0
1
0
32 bytes
0
1
1
64 bytes
1
0
0
128 bytes
1
0
1
256 bytes
1
1
0
512 bytes
1
1
1
1024 bytes
This field is cleared upon receiving a USB reset (except for the endpoint 0).
• EPBK: Endpoint Banks
This bit selects the number of banks for the endpoint:
0: single-bank endpoint
1: double-bank endpoint
For control endpoints, a single-bank endpoint shall be selected.
This field is cleared upon receiving a USB reset (except for the endpoint 0).
ATSAM4L4/L2
42023C–SAM–02/2013
389