at32uc3b0512-z2ues ATMEL Corporation, at32uc3b0512-z2ues Datasheet - Page 436

• Manufacturer Part Number: at32uc3b0512-z2ues
• Description: 32-bit Avr Microcontroller
• Manufacturer: ATMEL Corporation

22.8.2.9
Register Name:
Access Type:
Offset:
Reset Value:
•
•
32059J–12/2010
FNCERR: Frame Number CRC Error
FNUM: Frame Number
FNCERR
31
23
15
7
-
-
This bit is set when a corrupted frame number is received. This bit and the SOF interrupt bit are updated at the same time.
This bit is cleared upon receiving a USB reset.
This field contains the 11-bit frame number information. It is provided in the last received SOF packet.
This field is cleared upon receiving a USB reset.
FNUM is updated even if a corrupted SOF is received.
Device Frame Number Register
30
22
14
6
-
-
-
UDFNUM
Read-Only
0x0020
0x00000000
FNUM[4:0]
29
21
13
5
-
-
28
20
12
4
-
-
27
19
11
3
-
-
FNUM[10:5]
26
18
10
2
-
-
-
25
17
9
1
-
-
-
AT32UC3B
24
16
8
0
-
-
-
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