UPD556 Overview
NEe fLPD556 EVACHIP·43 DESCR IPTION The IlPD556 is an evaluation chip for the Il-43/44/45 single chip microputers_ Designed to be used for both hardware and software debugging, the EVACH IP-43 is functionally equivalent to the Il-43, except that it does not contain on-chip ROM. Instead, it is able to address external memory. In addition, in order to facilitate debugging, the IlPD556 is capable of displaying the...