38.8 Register Summary - USB Device Endpoint n Descriptor Bank 0
This Register Description section is valid if the USB is in Device mode (CTRLA.MODE=0).
Refer to the Registers Description section for more details on register properties and access permissions.
| Offset | Name | Bit Pos. | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
|---|---|---|---|---|---|---|---|---|---|---|
| 0x00 | ADDR | 31:24 | ADDR[31:24] | |||||||
| 23:16 | ADDR[23:16] | |||||||||
| 15:8 | ADDR[15:8] | |||||||||
| 7:0 | ADDR[7:0] | |||||||||
| 0x04 | PCKSIZE | 31:24 | AUTO_ZLP | SIZE[2:0] | MULTI_PACKET_SIZE[13:10] | |||||
| 23:16 | MULTI_PACKET_SIZE[9:2] | |||||||||
| 15:8 | MULTI_PACKET_SIZE[1:0] | BYTE_COUNT[13:8] | ||||||||
| 7:0 | BYTE_COUNT[7:0] | |||||||||
| 0x08 | EXTREG | 15:8 | VARIABLE[10:4] | |||||||
| 7:0 | VARIABLE[3:0] | SUBPID[3:0] | ||||||||
| 0x0A | STATUS_BK | 7:0 | ERRORFLOW | CRCERR | ||||||