LM3S9D81_15 Datasheet, PDF (1050/1281 Pages) Texas Instruments – Stellaris LM3S9D81 Microcontroller

Universal Serial Bus (USB) Controller
Register 148: USB Type Endpoint 0 (USBTYPE0), offset 0x10A
This is an 8-bit register that must be written with the operating speed of the targeted Device being
OTG A / _{communicated with using endpoint 0.}
Host
USB Type Endpoint 0 (USBTYPE0)
Base 0x4005.0000
Offset 0x10A
Type R/W, reset 0x00
7
6
5
4
3
2
1
0
SPEED
reserved
Type R/W
R/W
RO
RO
RO
RO
RO
RO
Reset
0
0
0
0
0
0
0
0
Bit/Field
7:6
Name
SPEED
Type
R/W
Reset
0x0
Description
Operating Speed
This field specifies the operating speed of the target Device. If selected,
the target is assumed to have the same connection speed as the USB
controller.
Value Description
0x0 - 0x1 Reserved
0x2
Full
0x3
Low
5:0
reserved
RO
0x0
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.
1050
Texas Instruments-Production Data
July 04, 2014