JTAG emulator supports native Linux on DaVinci DM355

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Sep. 05, 2007

Signum Systems has started shipping a JTAG emulator tailored for use with TI's recently launched sub-$10 DaVinci SoC (system-on-chip). The JTAGjet-355 USB emulator comes with drivers for native Linux and GNU tools support on TI's TMS320DM355 (DM355) and DVEVM development module, under both Linux and Windows development hosts.

(Click for larger view of JTAGjet emulator)

TI launched the DM355 at the IBC broadcasters convention this week in London. It combines a 216MHz or 270MHz ARM9 core with a 640MHz DSP (digital signal processor) core. TI is currently sampling the chip as part of a DM355 DVEVM evaluation module. The module comes with a MontaVista Linux BSP for the chip's ARM9 core, and with a JPEG/MPEG-4 coprocessor and high-definition video-processing core implemented in microcode on the chip's DSP core.

Signum says its JTAGjet-355 is compatible with TI's currently shipping IDE (integrated development environment) for DSP programming, Code Composer Studio Platinum 3.3. The emulator also supports "most major ARM debuggers," Signum said, specifically citing Linux GDB (GNU debugger) and Microsoft Windows CE Platform Builder. Additionally, the emulator is said to offer native Linux connectivity, initialization macros, and "simple flash programming and recovery" for TI's DVEVM evaluation module.

Additional touted features include:

High-speed (480 Mbps) USB 2.0 interface
Supports NOR and NAND flash programming
Support for other RTOSes available

John Dixon, marketing manager for TI's DaVinci line, stated, "The emulator will allow developers to take advantage of the tools and support included in TI's DaVinci technology portfolio."

Availability

The JTAGjet-355 emulator is available now. The "basic version" includes drivers for development teams using the embedded Linux and GNU software and debug tools, Signum said. In addition to TI's DM355, it supports "all TI DaVinci technology and OMAP devices," Signum said.

Besides the basic Linux version, the emulator is available in versions that support Signum's own Chameleon Debugger for ARM, eSOL RTOS and eBinder debugger, and Microsoft's Windows CE Platform Builder. Support for CodeComposer Studio also appears to be optional. Pricing was not disclosed.

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