LM3S5D91 Datasheet, PDF (1030/1340 Pages) Texas Instruments – Stellaris® LM3S5D91 Microcontroller

Universal Serial Bus (USB) Controller
Transfer Type
Bulk
Speed
Full-Speed
Valid values (m)
0x02 – 0x10
USB Host Receive Polling Interval Endpoint 1 (USBRXINTERVAL1)
Base 0x4005.0000
Offset 0x11D
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 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
RX 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.
1030
Texas Instruments-Production Data
January 22, 2012