The electronic version of this International Standard can be downloaded from the ISO/IEC Information Technology Task Force (ITTF) web site.
ISO/IEC 11889-2:2015 contains the definitions of the constants, flags, structure, and union definitions used to communicate with the TPM. Values defined in ISO/IEC 11889-2:2015 are used by the TPM commands defined in ISO/IEC 11899-3 and by the functions in ISO/IEC 11889-4.