LM3S5739 Datasheet, PDF (746/856 Pages) Texas Instruments – Stellaris® LM3S5739 Microcontroller

Universal Serial Bus (USB) Controller
Register 77: USB Host Configure Receive Type Endpoint 1 (USBRXTYPE1),
offset 0x11C
Register 78: USB Host Configure Receive Type Endpoint 2 (USBRXTYPE2),
offset 0x12C
Register 79: USB Host Configure Receive Type Endpoint 3 (USBRXTYPE3),
offset 0x13C
Host
USBRXTYPEn 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 receive endpoint, and its
operating speed.
USB Host Configure Receive Type Endpoint 1 (USBRXTYPE1)
Base 0x4005.0000
Offset 0x11C
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 receive endpoint:
Value Description
0x0 Control
0x1 Isochronous
0x2 Bulk
0x3 Interrupt
3:0
TEP
R/W
0x0
Target Endpoint Number
Software must set this value to the endpoint number contained in the
receive endpoint descriptor returned to the USB controller during Device
enumeration.
746
November 17, 2011
Texas Instruments-Production Data