Description
The Joint Test Action Group (JTAG)-SMT3-NC is a compact, complete, and
fully self-contained surface-mount programming module for Xilinx
field-programmable gate arrays (FPGAs). The module can be accessed directly
from all Xilinx Tools, including iMPACT, ChipScopeTM, Vivado, and EDK. Users
can load the module directly onto a target board and reflow it like any
other component. The JTAG-SMT3-NC uses a 3.3V main power supply and
independent Vref supplies to drive the JTAG and UART signals. All JTAG
signals use high speed 24mA three-state buffers that allow signal voltages
from 1.8V to 5.5V, and bus speeds up to 30MBit/sec. All UART signals use
high speed 24mA buffers that allow signal voltages from 1.8V to 5.5V and
bus speeds up to 12Mbaud. The JTAG bus can be shared with other devices as
the SMT3-NC signals are held at high impedance, except when actively driven
during programming. The SMT3-NC module is CE certified and fully compliant
with EU RoHS and REACH directives. The module routes the USB D+ (DP) and D-
(DM) signals out to pads, providing the system designer with the ability to
choose the type of USB connector and its location on the system board.
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