Welcome to the IAR Assembler documentation—detailed reference information that can help you to use the IAR Assembler for RL78 to develop your application according to your requirements.

The Renesas FAA Assembler is incorporated in IAR Embedded Workbench for RL78. For more information about this assembler, see the DSPASM FAA/GREEN_DSP Structure Assembler User's Manual from Renesas. The Flexible Application Accelerator (FAA) is a specialized co-processor core used in specific Renesas RL78 microcontrollers to offload complex arithmetic, communication, and control tasks from the main CPU.