at91cap7e ATMEL Corporation, at91cap7e Datasheet - Page 455
at91cap7e
Manufacturer Part Number
at91cap7e
Description
Customizable Microcontroller
Manufacturer
ATMEL Corporation
Datasheet
1.AT91CAP7E.pdf
(520 pages)
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31.6.7
Register Name:
Access Type:
• EP0INT: Endpoint 0 Interrupt Status
• EP1INT: Endpoint 1 Interrupt Status
• EP2INT: Endpoint 2 Interrupt Status
• EP3INT: Endpoint 3 Interrupt Status
• EP4INT: Endpoint 4 Interrupt Status
• EP5INT: Endpoint 5 Interrupt Status
0 = No Endpoint0 Interrupt pending.
1 = Endpoint0 Interrupt has been raised.
Several signals can generate this interrupt. The reason can be found by reading UDP_ CSR0:
EP0INT is a sticky bit. Interrupt remains valid until EP0INT is cleared by writing in the corresponding UDP_ CSR0 bit.
• RXSUSP: UDP Suspend Interrupt Status
0 = No UDP Suspend Interrupt pending.
1 = UDP Suspend Interrupt has been raised.
The USB device sets this bit when it detects no activity for 3ms. The USB device enters Suspend mode.
• RXRSM: UDP Resume Interrupt Status
0 = No UDP Resume Interrupt pending.
1 =UDP Resume Interrupt has been raised.
8549A–CAP–10/08
RXSETUP set to 1
RX_DATA_BK0 set to 1
RX_DATA_BK1 set to 1
TXCOMP set to 1
STALLSENT set to 1
31
23
15
–
–
–
7
UDP Interrupt Status Register
30
22
14
–
–
–
6
WAKEUP
EP5INT
29
21
13
–
–
5
UDP_ ISR
Read-only
ENDBUSRES
EP4INT
28
20
12
–
–
4
SOFINT
EP3INT
27
19
11
–
–
3
EP2INT
26
18
10
–
–
–
2
RXRSM
EP1INT
25
17
–
–
9
1
AT91CAP7E
RXSUSP
EP0INT
24
16
–
–
8
0
455
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