diff --git a/CMakeLists.txt b/CMakeLists.txt
index 624e3c31..e5e246eb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -20,6 +20,9 @@ option(C2A_USE_ALL_CORE_APPS        "Use C2A-core all Applications" ON)
 option(C2A_USE_ALL_CORE_TEST_APPS   "Use C2A-core all Test Applications" ON)
 option(C2A_USE_ALL_CORE_LIB         "Use C2A-core all library" ON)
 
+## C2A build target board option （標準実装などがこのオプションによってスイッチされる．デフォルトでは sub OBC を想定）
+option(C2A_MOBC_FEATURES            "Enable some features for MOBC" OFF)
+
 ## C2A CCSDS select
 # See alse; /docs/core/ccsds.md
 option(C2A_USE_CORE_CCSDS_AOS_SPACE_DATA_LINK_PROTOCOL  "Use C2A-core CCSDS AOS SPACE DATA LINK PROTOCOL implementation" OFF)