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JTAGulator-32115

Parallax JTAGulator Model No. 32115

Open Source hardware tool

 

On-chip debug (OCD) interfaces can provide chip-level control of a target device and are a primary vector used by engineers, researchers, and hackers to extract program code or data, modify memory contents, or affect device operation on-the-fly. Depending on the complexity of the target device, manually locating available OCD connections can be a difficult and time consuming task, sometimes requiring physical destruction or modification of the device.

Designed by Grand Idea Studio, JTAGulator is an open source hardware tool that assists in identifying OCD connections from test points, vias, or component pads on a target device.

Key Features:

  • 24 I/O channels with input protection circuitry
  • Adjustable target voltage: 1.2 V to 3.3 V
  • Supported target interfaces (as of firmware v1.1): JTAG/IEEE 1149.1, UART/asynchronous serial
  • USB interface for direct connection to host computer (PC, Macintosh, or *nix)

Application Ideas:

  • Discover on-chip debug interfaces
  • Simple logic analyzer
  • Propeller development board

Note: Proper use of this tool requires basic electronics knowledge. To avoid damage to the JTAGulator or target circuitry, please take care to ensure the proper target voltage level is set. Some on-chip debug interfaces may not be detectable if password protection or other security mechanisms are implemented.

 

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JTAGulator 32115

Part Number Description

 

 

USI36-32115


On-chip debug (OCD) interface

 

 

Additional Information

 

 

Ultimate Solutions, Inc.
10 Clever Drive
Tewksbury, MA 01876 USA
Phone: 978.455.3383
Fax: 978.926.3091
Email: info@ultsol.com
 
 
 
Quick Link to Support & Resources:
 

      

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