Atmel Xplained Pro Evaluation Kit for the ATSAMD21J18A Microcontroller ATSAMD21-XPRO ATSAMD21-XPRO Fiche De Données

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Atmel | SMART SAM D21 [DATASHEET]

Atmel-42181C–SAM-D21_Datasheet–07/2014

PCFGn

0x100 + (n x 0x20)

0x0000

Write-Protected

z

Bits 7:6 – Reserved
These bits are unused and reserved for future use. For compatibility with future devices, always write these bits to 
zero when this register is written. These bits will always return zero when read.

z

Bits 5:3 – PTYPE: Type of the Pipe
These bits contains the pipe type.

Theses bits are cleared upon sending a USB reset.

z

Bit 2 – BK: Pipe Bank
0: A single bank is used for the pipe.
1: A dual bank is used for the pipe.
This bit selects the number of banks for the pipe. 
For control endpoints writing a zero to this bit is required as only Bank0 is used for Setup/In/Out transactions.
This bit is cleared when a USB reset is sent.

Bit

7

6

5

4

3

2

1

0

Access

R

R

R/W

R/W

R/W

R/W

R/W

R/W

Reset

0

0

0

0

0

0

0

0

0x0

Pipe is disabled

0x1

Pipe is enabled and configured as CONTROL

0x2

Pipe is enabled and configured as ISO

0x3

Pipe is enabled and configured as BULK

0x4

Pipe is enabled and configured as INTERRUPT

0x5

Pipe is enabled and configured as EXTENDED

0x06-0x7

Reserved

0x0

Single-bank endpoint

0x1

Dual-bank endpoint