Link for Renesas Download (Date: 17.01.2006):

File: hew4_nc30
Size: ca. 80MB

Renesas C Compiler Package for M16C family V.5.4.00 Release 00 with High-performance Embedded Workshop (HEW) V.4 



http://eu.renesas.com/fmwk.jsp?cnt=quicklink_updates_product_child.htm&fp=/products/tools/coding_tools/c_compilers_assemblers/m3t_nc30wa/child_folder/&title=QuickLink%20Updates




alternativ (with registration):
http://www.renesas.com/fmwk.jsp?cnt=/download_search_results.jsp&fp=/support/downloads/download_results&layerId=1117