Digilent 410-308P Bedienungsanleitung PDF herunterladen

1300 Henley Court

Pullman, WA 99163

509.334.6306

www.digilentinc.com

JTAG-SMT2-NC Programming Module for Xilinx

FPGAs

Revised March 2. 2015

DOC#: 502-308

Other product and company names mentioned may be trademarks of their respective owners.

Page 1 of 14

Overview

The Joint Test Action Group (JTAG)-SMT2-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, ChipScope™, and EDK. Users can load the module directly onto a target board

and reflow it like any other component.

The JTAG-SMT2-NC uses a 3.3V main power supply and a separate Vref supply to drive the JTAG signals. All JTAG

signals use high speed 24mA three-state buffers that allow signal voltages from 1.8V to 5V and bus speeds up to

30MBit/sec. The JTAG bus can be shared with other devices as the SMT2-NC signals are held at high impedance,

except when actively driven during programming. The SMT2-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.

Users can connect JTAG signals directly to the corresponding FPGA signals, as shown in Fig. 1. For best results,

mount the module over a ground plane on the host PCB. Although users may run signal traces on top of the host

PCB beneath the SMT2-NC, Digilent recommends keeping the area immediately beneath the SMT2-NC clear.

Note: Keep the impedance between the SMT2-NC and FPGA below 100 Ohms to operate the JTAG at maximum

speed.

4 8

GND

TCK

TDI

TMS

GPIO1

GPIO2

GPIO0

TDO

VREF

GND

Vdd (3.3V)

The JTAG-SMT2-NC

 Small, complete, all-in-one JTAG programming/debugging

solution for Xilinx FPGAs

 Compatible with all Xilinx Tools

 Compatible with IEEE 1149.7-2009 Class T0 – Class T4

(includes 2-Wire JTAG)

 GPIO pin allows debugging software to reset the processor

core of Xilinx’s Zynq® platform

 Single 3.3V supply

 Separate Vref drives JTAG signal voltages; Vref can be any

voltage between 1.8V and 5V.

 High-Speed USB2 port that can drive JTAG/SPI bus at up to

30Mbit/sec (frequency settable by user)

 SPI programming solution (modes 0 and 2 up to 30Mbit/sec,

modes 1 and 3 up to 2Mbit/sec)

 Small form-factor surface-mount module can be directly

loaded on target boards

 USB D+ and D- signals routed to pads, allowing USB connector

to be placed anywhere on the host PCB

Features include:

1 2 3 4 5 6 ... 13 14

Inhaltsverzeichnis

Seite 1 - Overview

1300 Henley Court Pullman, WA 99163 509.334.6306 www.digilentinc.com JTAG-SMT2-NC Programming Module for Xilinx® FPGAs Revised March 2. 2015 DOC#:

Seite 2

Seite 3 - Software Support

Seite 4

Seite 5 - GPIO Pins

Seite 6 - Application Examples

Seite 7 - Example 2:

Seite 8 - Example 3:

Seite 9 - Supported Target Devices

Seite 10

Seite 11 - PCB LAND PATTERN

Seite 12 - DC Operating Characteristics

Seite 13 - Figure 12. Timing diagram

Seite 14 - Packaging

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Digilent 410-308P Bedienungsanleitung

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