QUAD-JTAG Adapter
Multi JTAG adapter 

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Brochure:
QUAD-JTAG.pdf (322 KB)

Schematic:
SchQuadJtag.pdf (41 KB)


Overview

Description


Overview

Efficiently debug multiple daisy-chained devices with the Quad-JTAG adapter and Domain Technologies' BoxView debugger. This handy adaptor enables simultaneous control and interaction of multiple devices through their debug sessions.

The Quad-JTAG is our multi-JTAG adapter for SB-USB2SB-USB, USB-EMU, and  SB-56K emulators.  Each connected board's DSP can be controlled synchronously as well as individually for the utmost flexibility in a testing environment.

 

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Each of the 5 connectors can be represented by the following pinout description:

TDI
  1 2 GND
TDO
  3 4 GND
TCK
  5 6 GND
 nc
  7 8 key
 -RST
9 10 TMS
 VCC
11 12 nc
 -DE
13 14 -TRST

 


Description

The QUAD-JTAG adapter is used in conjunction with BoxView Debugger and BoxServer Connectivity software for simultaneous control of multiple devices. In the example below, an engineer is debugging multiple target boards that are daisy chained together using the QUAD-JTAG adapter.

Any Domain Technologies emulator can be connected to the QUAD-JTAG to facilitate debugging.  A BoxView debug session is enabled for each daisy chained device. Remote access to the BoxView sessions is provided by BoxServer. Engineers can run/halt/single step the devices synchronously as well as individually through the BoxView debugger.

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