LM3S3748 Datasheet, PDF (572/753 Pages) List of Unclassifed Manufacturers – Microcontroller

Univeral Serial Bus (USB) Controller
Register 71: USB Host Transmit Configure Type Endpoint 1 (USBTXTYPE1),
offset 0x11A
Register 72: USB Host Transmit Configure Type Endpoint 2 (USBTXTYPE2),
offset 0x12A
Register 73: USB Host Transmit Configure Type Endpoint 3 (USBTXTYPE3),
offset 0x13A
Host
USBTXTYPE1 is an 8-bit register that should be written with the endpoint number to be targeted
by the endpoint, the transaction protocol to use for the currently selected transmit endpoint, and its
operating speed.
USB Host Transmit Configure Type Endpoint 1 (USBTXTYPE1)
Base 0x4005.0000
Offset 0x11A
Type R/W, reset 0x00
7
6
5
4
3
2
1
0
SPEED
PROTO
TEP
Type R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Reset
0
0
0
0
0
0
0
0
Bit/Field
7:6
Name
SPEED
Type
R/W
Reset
0x00
Description
Operating Speed
Operating speed of the target device when the core is configured with
the hub option:
Value Description
00 Default
The target is assumed to be using the same connection speed
as the core.
01 Reserved
10 Full
11 Low
When the core is not configured with the hub option, these bits
should not be accessed
5:4
PROTO
R/W
0x00 Protocol
The CPU should set this to select the required protocol for the transmit
endpoint:
Value Description
00 Control
01 Isochronous
10 Bulk
11 Interrupt
572
April 08, 2008
Preliminary