< C8051F, Silicon Labs
User manual
CodeCompressor for 8051 
Complete user reference for the Raisonance CodeCompressor technology for 8051 core based devices
CComp51.pdf
LX-51 Code banking linker locator 
Complete user reference for the Raisonance Linker and Locator for 8051 core-based microcontrollers
LX51.pdf
MA-51 Assembler 
Complete user reference for the Raisonance Assembler for 8051 core-based microcontrollers
MA51.pdf
RC-51 C compiler 
Complete user reference for the Raisonance C compiler for 8051 core-based microcontrollers
RC51.pdf
Application note
AN0050 - Getting started with SiLabs C8051Fxxx derivatives 
Using the Raisonance tools to program and debug applications based on SiLabs devices.
AN50-C8051Fxxx.pdf
Brochure
Raisonance Tools for 8051 devices 
Raisonance development tools for the 8051 core-based devices
RKit-8051-brochure.pdf