Datasheet

32.8.6.6 Host Pipe Interrupt Flag Register
Name: PINTFLAG
Offset: 0x107 + (n x 0x20)
Reset: 0x00
Property: -
Bit 7 6 5 4 3 2 1 0
STALL TXSTP PERR TRFAIL TRCPT
Access
R/W R/W R/W R/W R/W
Reset 0 0 0 0 2
Bit 5 – STALL STALL Received Interrupt Flag
This flag is cleared by writing a one to the flag.
This flag is set when a stall occurs and will generate an interrupt if PINTENCLR/SET.STALL is one.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the STALL Interrupt Flag.
Bit 4 – TXSTP Transmitted Setup Interrupt Flag
This flag is cleared by writing a one to the flag.
This flag is set when a Transfer Complete occurs and will generate an interrupt if PINTENCLR/
SET.TXSTP is one.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the TXSTP Interrupt Flag.
Bit 3 – PERR Pipe Error Interrupt Flag
This flag is cleared by writing a one to the flag.
This flag is set when a pipe error occurs and will generate an interrupt if PINTENCLR/SET.PERR is one.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the PERR Interrupt Flag.
Bit 2 – TRFAIL Transfer Fail Interrupt Flag
This flag is cleared by writing a one to the flag.
This flag is set when a Transfer Fail occurs and will generate an interrupt if PINTENCLR/SET.TRFAIL is
one.
Writing a zero to this bit has no effect.
Writing a one to this bit clears the TRFAIL Interrupt Flag.
Bit 0 – TRCPT Transfer Complete x interrupt Flag
This flag is cleared by writing a one to the flag.
This flag is set when a Transfer complete occurs and will generate an interrupt if PINTENCLR/
SET.TRCPT is one. PINTFLAG.TRCPT is set for a single bank IN/OUT pipe or a double bank IN/OUT
pipe when current bank is 0.
SAM D21 Family
USB – Universal Serial Bus
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 876