Datasheet

598
AT32UC3A
30.8.3.2 USB Host Global Interrupt Register (UHINT)
Offset: 0x0404
Register Name: UHINT
Access Type: Read-Only
Reset Value: 0x00000000
• DCONNI: Device Connection Interrupt Flag
Set by hardware when a new device has been connected to the USB bus.
Shall be cleared by software (by setting the DCONNIC bit).
• DDISCI: Device Disconnection Interrupt Flag
Set by hardware when the device has been removed from the USB bus.
Shall be cleared by software (by setting the DDISCIC bit).
• RSTI: USB Reset Sent Interrupt Flag
Set by hardware when a USB Reset has been sent to the device.
Shall be cleared by software (by setting the RSTIC bit).
• RSMEDI: Downstream Resume Sent Interrupt Flag
Set by hardware when a Downstream Resume has been sent to the Device.
Shall be cleared by software (by setting the RSMEDIC bit).
• RXRSMI: Upstream Resume Received Interrupt Flag
Set by hardware when an Upstream Resume has been received from the Device.
Shall be cleared by software (by setting the RXRSMIC bit).
• HSOFI: Host Start of Frame Interrupt Flag
Set by hardware when a SOF is issued by the Host controller. This triggers a USB interrupt when HSOFE is set. When
using the host controller in low speed mode, this bit is also set when a keep-alive is sent.
Shall be cleared by software (by setting the HSOFIC bit).
31 30 29 28 27 26 25 24
– DMA6INT DMA5INT DMA4INT DMA3INT DMA2INT DMA1INT –
r r r r r r
0 0 0 0 0 0
23 22 21 20 19 18 17 16
– – – – – – – –
15 14 13 12 11 10 9 8
– P6INT P5INT P4INT P3INT P2INT P1INT P0INT
r r r r r r r
0 0 0 0 0 0 0
7 6 5 4 3 2 1 0
– HWUPI HSOFI RXRSMI RSMEDI RSTI DDISCI DCONNI
r r r r r r r
0 0 0 0 0 0 0
32058K
AVR32-01/12