V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

ACIA
       Associacio Catalana d'Intelligencia Artificial (org., Spain, AI)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

ACIA
       Asynchronous Communications Interface Adapter


The Free On-line Dictionary of Computing (30 December 2018):

Asynchronous Communications Interface Adapter
ACIA

    (ACIA) A kind of integrated
   circuit that provides data formatting and control to EIA-232
   serial interfaces.

   [Is this the same as a UART?]

   (1997-05-07)