IAR I-jet – JTAG in-circuit emulator for ARM/CorteX

For more information:

Ohad Beit-On

ohad@sightsys.co.il

054-2584032

I-Jet  In-circuit debugging probe for ARM

(Part Number: IJET-ARM)

 I-jet integrates seamlessly into IAR Embedded Workbench and is fully plug-and-play compatible. It provides a fast debugging platform and the possibility to measure target power consumption with a high degree of accuracy. The Power Debugging capabilities can be extended with I-scope, which adds current and voltage measurement.

 

 

I-jet with included cables and adapter

 

Key features

  • Supports ARM7/ARM9/ARM11 and Cortex-M/R/A cores
  • Seamless integration into the IAR Embedded Workbench IDE 
    (IAR Embedded Workbench for ARM version 6.30.8 or later)
  • Fully plug-and-play compatible
  • Hi-speed USB 2.0 interface (480Mbps)
  • No power supply required, powered entirely by the USB port
  • Target power of up to 400mA can be supplied from I-jet with overload protection
  • Target power consumption can be measured with ~200µA resolution at 200kHz
  • JTAG and Serial Wire Debug (SWD) clocks up to 32MHz (no limit on the MCU clock speed)
  • Serial Wire Viewer (SWV) with UART and Manchester encoding
  • Support for SWO speeds of up to 60MHz
  • Download speed of up to 1MByte/sec
  • Automatic core recognition
  • Support for multiple JTAG devices with automatic chain detection and graphical display
  • Support for JTAG adaptive clocking (RTCK)
  • Automatic JTAG/SWD detection
  • JTAG voltage measurement and monitoring
  • Supports target voltage range from 1.65V to 5V
  • Support for Micro Trace Buffer (MTB) for ARM Cortex-M0/M0+

 

I-jet and I-jet Trace has a MIPI-20 connector on the front panel and come with MIPI-20 and MIPI-10 cables, as well as a legacy ARM-20 adapter. For I-jet Trace, only the MIPI-20 cable supports the ETM trace functionality, MIPI-10 and ARM-20 are for plain JTAG/SWD/SWO debugging. For details on the connectors, see the user manual.

In addition, the following adapters are available from IAR Systems to fit different target connectors:

  

ADA-MIPI20-TI14 Adapter

ADA-MIPI20-CTI20 Adapter

ADA-MIPI20-ISO Adapter

I-scope for Power consumption in-target analysis

 

I-scope adds current and voltage measurement capabilities to I-jet and I-jet Trace. The measurements can be done at any designated points on the target board and are displayed in real-time by the C-SPY Debugger in IAR Embedded Workbench.

I-scope measures current and voltages and sends it to I-jet, which synchronizes the data with the program counter of the running application. The data can be graphed and profiled in real time and analyzed using C-SPY. The current sensing is done by connecting two differential current measurement leads across a shunt resistor on the target board.

Use the power analysis to:

  • Reveal the power consumption of individual functions and peripherals
  • Identify I/O activities that cause current spikes
  • Diagnose low power mode
  • Investigate MCU frequency and core voltage power savings
  • Find conflicting hardware setup
  • Reduce RF emissions by identifying and eliminating unwanted current spikes
  • Measure and compare battery consumption in various MCU sleep modes

Specifications

  • I+ and I- differential voltage, 110mV full scale across shunt resistor
  • One differential current channel, 0-6V common mode
  • Three voltage channels, 0-6V
  • Sampling rate up to 200 kHz with 12 bit resolution
  • Includes one MIPI-20 flat cable for attaching to the I-jet
  • Includes 6 flying test leads and 6 grabbers
  • Supports all ARM cores

Please note: I-scope is used in combination with I-jet or I-jet Trace.

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For more information: Ohad Beit-On ohad@sightsys.co.il 054-2584032