LM3S5956-IQR80-C1 Datasheet, PDF (905/1144 Pages) Texas Instruments – Stellaris® LM3S5956 Microcontroller

NRND: Not recommended for new designs.
Stellaris^® LM3S5956 Microcontroller
Transfer Type
Interrupt
Isochronous
Bulk
Speed
Low-Speed or Full-Speed
Full-Speed
Full-Speed
Valid values (m)
0x01 – 0xFF
0x01 – 0x10
0x02 – 0x10
USB Host Transmit Interval Endpoint 1 (USBTXINTERVAL1)
Base 0x4005.0000
Offset 0x11B
Type R/W, reset 0x00
7
6
5
4
3
2
1
0
TXPOLL / NAKLMT
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
Interpretation
The polling interval is m frames.
The polling interval is 2^(m-1) frames.
The NAK Limit is 2^(m-1) frames. A value of 0
or 1 disables the NAK timeout function.
Bit/Field
7:0
Name
TXPOLL / NAKLMT
Type
R/W
Reset
0x00
Description
TX Polling / NAK Limit
The polling interval for interrupt/isochronous transfers; the NAK limit for
bulk transfers. See table above for valid entries; other values are
reserved.
October 06, 2012
905
Texas Instruments-Production Data