17.11.2010 вышла версия ЕWМ16С 3.50.1 http://iar.com/website1/1.0.1.0/129/1/
Long long support
Highly optimizing C and C++ compiler for M16C and R8C
Enhanced device support
Configuration files for all M16C/1X–3X, 5X–6X and R8C series of CPU cores
и подержка всех отладчиков!
Hardware debugging support:
Renesas PC7501 emulator
Renesas E8/E8a emulator
Renesas E100 emulator
Renesas Compact Emulator
Renesas ROM-monitor used in many evaluation boards, such as Renesas 3DK kits and GLYN EVBM16C evaluation board
и даже облегченая миграция с HEW:
Easier migration from Renesas HEW
A new naming convention for SFR header files makes porting code to IAR Embedded
Качаем
отсюда