Datasheet

When PFREEZE bit is set while a transaction is in progress on the USB bus, this transaction will be
properly completed. PFREEZE bit will be read as “1” only when the ongoing transaction will have been
completed.
Value Description
0
The Pipe operates in normal operation.
1
The Pipe is frozen and no additional requests will be sent to the device on this pipe address.
Bit 2 – CURBK Current Bank
Value Description
0
The bank0 is the bank that will be used in the next single/multi USB packet.
1
The bank1 is the bank that will be used in the next single/multi USB packet.
Bit 0 – DTGL Data Toggle Sequence
Writing a one to the bit EPSTATUSCLR.DTGL will clear this bit.
Writing a one to the bit EPSTATUSSET.DTGL will set this bit.
This bit is toggled automatically by hardware after a data transaction.
This bit will reflect the data toggle in regards of the token type (IN/OUT/SETUP).
Value Description
0
The PID of the next expected transaction will be zero: data 0.
1
The PID of the next expected transaction will be one: data 1.
SAM D21 Family
USB – Universal Serial Bus
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 875