Figure 23-4. USB Host Controller Interrupt System
HWUPI
UHINT.6
HWUPE
UHIEN.6
HSOFI
UHINT.5
HSOFE
UHIEN.5
RXRSMI
UHINT.4
RXRSME
UHIEN.4
RSMEDI
USB Host
Interrupt
UHINT.3
RSMEDE
UHIEN.3
RSTI
UHINT.2
RSTE
UHIEN.2
DDISCI
UHINT.1
DDISCE
UHIEN.1
DCONNI
UHINT.0
DCONNE
UHIEN.0
Figure 23-5. USB Device Controller Pipe Interrupt System
PIPE 6
PIPE 5
PIPE 4
PIPE 3
PIPE 2
PIPE 1
PIPE 0
OVERFI
UPSTAX.6
UNDERFI
UPSTAX.5
FLERRE
UPIEN.7
NAKEDI
UPINTX.6
NAKEDE
UPIEN.6
PERRI
UPINTX.4
PERRE
Pipe Interrupt
UPIEN.4
TXSTPI
FLERRE
UPIEN.7
UPINTX.3
TXSTPE
UPIEN.3
TXOUTI
UPINTX.2
TXOUTE
UPIEN.2
RXSTALLI
UPINTX.1
RXSTALLE
UPIEN.1
RXINI
UPINTX.0
RXINE
UPIEN.0
23.16 Registers
300
AT90USB64/128
7593A–AVR–02/06
ATMEL [ ATMEL ]
