Texas Instruments TM4C1294NCPDT - Universal Serial Bus (USB) Controller

27.20 Universal Serial Bus (USB) Controller
The Tiva™ C Series USB controller electrical specifications are compliant with the Universal Serial
Bus Specification Rev. 2.0 (full-speed and low-speed support) and the On-The-Go Supplement to
the USB 2.0 Specification Rev. 1.0. Some components of the USB system are integrated within the
TM4C1294NCPDT microcontroller and specific to the Tiva™ C Series microcontroller design.
Note: GPIO pin, PB1, which can be configured as the USB0VBUS signal, is the only pin which is
5-V tolerant on the device.
Table 27-57. ULPI Interface Timing
UnitMaxNomMinParameter NameParameterParameter
No.
Timings with respect to external clock source input to USB0CLK
ns--4.8Setup time (control in) USB0DIR,
USB0NXT
T
SUC
U1
ns--3.5Setup Time (data in) USB0DnT
SUD
U2
ns--0Hold Time (control in) USB0DIR,
USB0NXT
T
HTC
U3
ns--0Hold Time (data in) USB0DnT
HTD
U4
ns9.5-3.7Output Delay (control out) USB0STPT
ODC
U5
ns9.5-3.7Output Delay (data out) USB0DnT
ODD
U6
Timings with USB0CLK as clock output
ns--6.0Setup time (control in) USB0DIR,
USB0NXT
T
SUC
U1
ns--4.6Setup Time (data in) USB0DnT
SUD
U2
ns--0Hold Time (control in) USB0DIR,
USB0NXT
T
HTC
U3
ns--0Hold Time (data in) USB0DnT
HTD
U4
ns10.6-4.0Output Delay (control out) USB0STPT
ODC
U5
ns10.6-4.0Output Delay (data out) USB0DnT
ODD
U6
1875June 18, 2014
Texas Instruments-Production Data
Tiva
™
TM4C1294NCPDT Microcontroller