VRS550 Overview
(514) 871-2447 http://.goalsemi. 1 VRS550 / VRS560 VERSA Datasheet Rev 1.1 Overview The VRS550 and the VRS560 are both low cost 8-bit microcontrollers based on the standard 80C51 microcontroller family architecture. They are pin-to-pin patible and drop-in replacements for most 8051 MCUs.