MSP430G2452 acting as a TMS0803 calculator chip. Emulates TI DataMath 2500II and Sinclair Scientific Calculators. Description
Calculator Functions and Features Initial Attempt (Fail) and Version 1 PCB Build (Success)
Revised Version 2 PCB Build
Parts / Bill of Material
Schematic, Source Code and Build Hints
MSP430G2452  /\     RST    2 x 4 digit bubble led  digit 0 P2.0 ++ ++  digit 1 P2.6  % % % %   % % % %   digit 2 P2.1 ++ ++  digit 3 P2.2/  digit 4 P2.3/  digit 5 P2.7/  digit 6 P2.4/  digit 7 P2.5/ segment a to g + dot........   / ....\   / \  segment A P1.2++++++++   _=_  _=_  _=_  _=_  _=_  _=_  _=_  _=_  minus led  segment B P1.3o o+o o+o o+o o+o o+o o+o o+o o+(>)+   _=_  _=_  _=_  _=_  _=_  _=_  _=_    segment c P1.7o o+o o+o o+o o+o o+o o+o o+   _=_  _=_  _=_  _=_  _=_  _=_   segment D P1.1o o+o o+o o+o o+o o+o o+   _=_  _=_  _=_  _=_  _=_   segment E P1.5o o+o o+o o+o o+o o+   _=_  _=_  _=_  _=_   segment F P1.4o o+o o+o o+o o+   _=_  _=_  _=_   segment G P1.0o o+o o+o o+   _=_   segment H P1.6o o+ (not all buttons populated)   
