UPD7520 Description
NEe ,.,.PD7520 4-BIT SINGLE CHIP MICROPUTER DESCR IPTION The j.lPD7520 is a Il-75 4-bit single chip microputer with a Programmable Display Controller capable of directly driving a multiplexed 8-segment, 8-digit LED Display. It has a 768 x 8 ROM, a 48 x 4 RAM, and 24 I/O lines for munication with and control of external circuitry. The j.lPD7520 is manufactured with a lowpower consumption PMOS process, allowing use of...