LM3S5739 Datasheet, PDF (698/856 Pages) Texas Instruments – Stellaris® LM3S5739 Microcontroller

Universal Serial Bus (USB) Controller
Register 9: USB Frame Value (USBFRAME), offset 0x00C
Host
Device
USBFRAME is a 16-bit read-only register that holds the last received frame number.
USB Frame Value (USBFRAME)
Base 0x4005.0000
Offset 0x00C
Type RO, reset 0x0000
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
reserved
FRAME
Type RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
Bit/Field
15:11
10:0
Name
reserved
FRAME
Type
RO
RO
Reset
0x00
0x00
Description
Software should not rely on the value of a reserved bit. To provide
compatibility with future products, the value of a reserved bit should be
preserved across a read-modify-write operation.
Frame Number
698
November 17, 2011
Texas Instruments-Production Data