Renesas has various options when it comes to integrated development environments, compilers, and, as already explained, for debuggers. The customer has the choice to use the Renesas IDE e2 studio based on Eclipse with all the functionality Eclipse offers. Renesas has not limited the Eclipse functionality. IAR Embedded Workbench is also available for RX. The compiler options for e2 studio are the Renesas compiler, GNU compiler GCC, and IAR.