AT32UC3A0512_1 Datasheet, PDF (578/826 Pages) ATMEL Corporation – AVR32 32-Bit Microcontroller

AT32UC3A
30.8.2.12 USB Endpoint X Status Clear Register (UESTAXCLR)
Offset:
0x0160 + X . 0x04
Register Name:
UESTAXCLR, X in [0..6]
Access Type:
Write-Only
Read Value:
0x00000000
31
30
29
28
27
26
25
24
–
–
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
–
7
SHORT
PACKETC
w
0
6
STALLEDIC/
CRCERRIC
w
0
5
OVERFIC
w
0
4
NAKINIC
w
0
• TXINIC: Transmitted IN Data Interrupt Flag Clear
Set to clear TXINI.
Clearing has no effect.
Always read as 0.
• RXOUTIC: Received OUT Data Interrupt Flag Clear
Set to clear RXOUTI.
Clearing has no effect.
Always read as 0.
• RXSTPIC: Received SETUP Interrupt Flag Clear
Set to clear RXSTPI.
Clearing has no effect.
Always read as 0.
• UNDERFIC: Underflow Interrupt Flag Clear
Set to clear UNDERFI.
Clearing has no effect.
Always read as 0.
• NAKOUTIC: NAKed OUT Interrupt Flag Clear
Set to clear NAKOUTI.
3
NAKOUTIC
w
0
2
RXSTPIC/
UNDERFIC
w
0
1
RXOUTIC
w
0
32058H–AVR32–03/09
0
TXINIC
w
0
578