What does mean ARM7TDMI? All Questions › Category: Embedded System › What does mean ARM7TDMI? 0 Vote Up Vote Down Chetan Shidling Staff asked 5 years ago I need short information. 1 Answers 0 Vote Up Vote Down Chetan Shidling Staff answered 5 years ago ARM7 – 32-bit Advanced RISC Machine. T – Thumb architecture extension. Two separate instruction sets, 32-bit ARM instructions, and 16-bit Thumb instructions. D – Debug extension. M – Enhanced multiplier. I – Embedded ICE macrocell extension.