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IAR Systems toolset supports Renesas RH850

Brian Fuller

9/20/2012 2:36 PM EDT

SAN FRANCISCO--IAR Systems has made another notch in its Renesas microcontroller toolbelt, rolling out a toolset for the seven-month-old RH850 microcontroller (MCU). The announcement (Sept. 18) brings to more than 10 the number of Renesas automotive-market-targeted MCUs IAR Systems supports.

"Automobiles can have dozens of controllers inside, and there's quite a bit of interaction going with those processors," said Shawn Prestridge, Senior Field Applications Engineer for IAR. "Customers are looking at the cost of parts and the cost of development to put system out into the market, but they're also looking at the speed in time-to-market and speed of parts themselves."

Renesas in late February 2012 announced the RH850 family of 32-bit MCUs for automotive applications, a superset of the old V850 architecture that Renesas obtained when it acquired NEC's semiconductor business in April 2010. The RH850 is based on 40 nm  metal oxide nitride oxide silicon (MONOS) embedded flash technology and claims low power consumption and high performance.

The IAR C/C++ Compiler for RH850 is based on IAR Systems’ tools for Renesas V850 and offers several optimizations. Arithmetic libraries have been rewritten, boosting  performance, and it comes with a new and source browser and text editor, with features including auto-completion, code and comment folding, parameter hints, block selection and indentation, bracket matching, and zooming, according to IAR Systems. In addition, IAR Embedded Workbench for RH850 uses the standard ELF/DWARF object format, and complies with Renesas ABI (Application Binary Interface), which ensures link compatibility between tool chains.

IAR Embedded Workbench now supports 11 Renesas MCU families from 8-bit offerings such as the H8 up to 32-bit device families such as the SuperH.

For more informations please visit the Embedded Workbench page.

Related stories:

--MONOS MCU features 40 nm flash, low power consumption
--IAR speeds up code for Renesas RL78 applications
--Design West: IAR Embedded Workbench now includes Express Logic's ThreadX-Lite




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