Free C compiler for STM8 microcontrollers

18 May 2016 Design Automation

STMicroelectronics has extended incentives for designers to choose its STM8 microcontrollers for economical computing tasks in the smart devices that support modern work and life. The latest move by ST, working with Cosmic, means all the software tools that designers need to build, debug and fine-tune STM8 applications are now available free of charge.

While other microcontrollers have free tools, these often come with limited features or code size. The free Cosmic C-compiler for STM8 is unconstrained and complete, and supports all variants of the STM8 family including the largest 128 KB devices.

As a result, designers can begin prototyping with these 8-bit microcontrollers for just the price of the STM8S-Discovery hardware kit for exercising the main features of STM8S Access-Line microcontrollers. The family also includes the STM8L ultra-low-power line, and the STM8AF and STM8AL automotive lines, giving a choice of over 120 device variants with versatile configurations of on-chip memory, package style, and peripherals such as communication interfaces, timers and converters.

The new, free Cosmic CXSTM8 C compiler integrates seamlessly with the ST Visual Develop (STVD) environment. STVD is part of the free ST microcontroller toolset that also includes the ST Visual Programmer (STVP) programming interface, the ST Assembler Linker, and STMStudio for fine-tuning application behaviour.

STVD includes everything designers need to manage application development, from building and debugging application code to programming the microcontroller. It provides a software-based simulator and handles low-cost RLink and ST-LINK in-circuit debugger/programmers, and the STice advanced emulator for STM8 microcontrollers. The C compiler was the last software tool that was not free, but now STM8 users can take advantage of the complete set of software tools from ST and its partners, at no cost.

For more information visit www.st.com

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