Datasheet

296
7593L–AVR–09/12
AT90USB64/128
• 7 - Reserved
The value read from these bits is always 0. Do not set these bits.
• 6 - P6RST - Pipe 6 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 6.
• 5 - P5RST - Pipe 5 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 5.
• 4 - P4RST - Pipe 4 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 4.
• 3 - P3RST - Pipe 3 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 3.
• 2 - P2RST - Pipe 2 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 2.
• 1 - P1RST - Pipe 1 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 1.
• 0 - P0RST - Pipe 0 Reset
Set this bit to 1 and reset this bit to 0 to reset the Pipe 0.
• 7 - Reserved
The value read from this bit is always 0. Do not set this bit.
• 6 - PFREEZE - Pipe Freeze
Set this bit to Freeze the Pipe requests generation.
Clear this bit to enable the Pipe request generation.
This bit is set by hardware when:
- the pipe is not configured
- a STALL handshake has been received on this Pipe
- An error occurs on the Pipe (UPINTX.PERRI = 1)
- (INRQ+1) In requests have been processed
This bit is set at 1 by hardware after a Pipe reset or a Pipe enable.
Bit 76543210
- P6RST P5RST P4RST P3RST P2RST P1RST P0RST UPRST
Read/write RW RW RW RW RW RW RW
Initial value00000000
Bit 76543210
- PFREEZE INMODE - RSTDT - - PEN UPCONX
Read/write RW RW RW RW
Initial value 0 0 0 0 0 0 0 0