NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 675 -
Revision V1.30
NUC97
0
T
E
CHNIC
A
L
RE
F
E
RE
N
CE
MA
NUA
L
USB Frame Count Register (USBD_FRAMECNT)
Register
Offset
R/W Description
Reset Value
USBD_FRAMECNT
0x01C
R
USB Frame Count Register
0x0000_0000
31
30
29
28
27
26
25
24
Reserved
23
22
21
20
19
18
17
16
Reserved
15
14
13
12
11
10
9
8
Reserved
FRAMECNT
7
6
5
4
3
2
1
0
FRAMECNT
MFRAMECNT
Bits
Description
[31:14]
Reserved
Reserved.
[13:3]
FRAMECNT
Frame Counter
This field contains the frame count from the most recent start-of-frame packet.
[2:0]
MFRAMECNT
Micro-frame Counter
This field contains the micro-frame number for the frame number in the frame
counter field.