DDC公司1553B协议芯片BU-615XX和BU-651XX用户手册-ACE/Mini-ACE Series BC/RT/MT Advanced Communication Engine Integrated 1553 Terminal User’s Guide BU-65170, BU-61580, BU-61585, BU-61590, BU-65178, BU-61588, BU-65179, BU-61688, BU-61689, BU-61582, BU-6158