Small Device C Compiler

The Small Device C Compiler (SDCC) is a free-software, partially retargetable[1] C compiler for 8-bit microcontrollers. It is distributed under the GNU General Public License. The package also contains a linker, assembler, simulator and debugger. As of March 2007, SDCC is the only open-source C compiler for Intel 8051-compatible microcontrollers.[2][3][4] In 2011 the compiler was downloaded on average more than 200 times per day.[5]

Small Device C Compiler
Developer(s)Sandeep Dutta and others
Stable release
3.9.0 / April 15, 2019 (2019-04-15)
Operating systemMicrosoft Windows, OS X, Linux
TypeC compiler

Supported hosts

Sources, documentation, and binaries are available for Linux (32-bit and 64-bit), macOS (PPC and 64-bit), and Windows (32-bit and 64-bit).

Supported targets

The following include binary compatible derivatives...

Work is in progress on:

SDCC suite is a collection of several components derived from different sources with different FOSS licenses.

See also


  1. Rainer Leupers, Peter Marwedel: "Retargetable Compiler Technology for Embedded Systems: Tools and Applications", page 126. Springer, 2001
  2. According to a Google search for: 8051 open source C compiler
  3. Lewin Edwards "Open-Source Robotics and Process Control Cookbook: Designing and Building Robust, Dependable Real-time Systems". 2011. p. 15.
  4. De-Shuang Huang, Phalguni Gupta, Xiang Zhang, Prashan Premaratne. "Emerging Intelligent Computing Technology and Applications". 2012. p. 383.
  5. SourceForge. "Usage Statistics For Small Device C Compiler". Retrieved 2010-02-16.
  6. Padauk website.
  7. "SDCC - Small Device C Compiler". Retrieved 2013-01-20.
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