LM3S3749 Datasheet, PDF (705/898 Pages) Texas Instruments – Stellaris® LM3S3749 Microcontroller

Stellaris® LM3S3749 Microcontroller
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
USBTXTYPEn is an 8-bit register that must 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
0x0
Description
Operating Speed
This bit field specifies the operating speed of the target Device:
Value Description
0x0 Default
The target is assumed to be using the same connection speed
as the USB controller.
0x1 Reserved
0x2 Full
0x3 Low
5:4
PROTO
R/W
0x0
Protocol
Software must configure this bit field to select the required protocol for
the transmit endpoint:
Value Description
0x0 Control
0x1 Isochronous
0x2 Bulk
0x3 Interrupt
3:0
TEP
R/W
0x0
Target Endpoint Number
Software must configure this value to the endpoint number contained
in the transmit endpoint descriptor returned to the USB controller during
Device enumeration.
November 17, 2011
705
Texas Instruments-Production Data