Arm Certified C Library

For faster safety development and go-to-market, the Certified C Library can be licensed separately in addition to the Arm Compiler for Embedded FuSa. The library is a subset of the standard C library consisting of approximately 200 functions that have been specifically implemented and optimized for use in safety development.

The Certified C Library comes with its own certificate from TÜV SÜD and supports the same functional safety standards as the Arm Compiler for Embedded FuSa. It is also accompanied with its own Qualification Kit which comprises of the Safety Manual and Defect Report.

Note: The Certified C Library is compatible with specific versions of the qualified Arm Compiler toolchain. Find more information in the table: Arm Complier toolchain specifications, to ensure compatibility with the appropriate safety toolchain. Contact us for more information.


Product nameCertified Arm Compiler 6.6 C Library
Product identification and versioning
6.6.X (X=A, B, C …); Latest release 6.6.A
Architecture support
Armv6-M, Armv7-A, Armv7-R, Armv7-M, Armv8-A, Armv8-R, Armv8-M
Arm Compiler 6.6 for Functional Safety
Until active maintenance of Arm Compiler 6.6 for Functional Safety
Safety documentationV
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Macro attributi ProdottoEmbedded and IoT Software and Tools