STC90LE51RC

www.STCMCU.com Mobile:(86)13922809991 Tel:86-755-82948412 Fax:86-755-82905966 SSTTCC99S00TLCCE5511DRMRaCCCta/UR/RSDhD+Le+eismtseeirtrieeides.sMMCCUU STC MCU Limited www.STCMCU.com STC MCU Limited. Update date: 2011-7-26 website：www.STCMCU.com  CONTENTS Chapter 1. Introduction................................................................ 6 1.1 Features...................................................................................................6 1.2 Block diagram.........................................................................................7 1.3 Pin Configurations of STC90C51RC/RD+ series MCU........................8 1.4 STC90C51RC/RD+ series Selection Table.............................................9 1.5 STC90C51RC/RD+ series Minimum Application System...................10 1.6 STC90C51RC/RD+ series Application Circuit for ISP........................11 1.7 Pin Descriptions....................................................................................13 1.8 Package Dimension Drawings..............................................................15 1.9 STC90C51RC/RD+ series MCU naming rules....................................19 ited1.10 Reduce the Electromagnetic Radiation of MCU Clock (EMI)...........20 Lim— Three Measures..................................................................................................20 1.11 Super Low Power Consumption — STC90Cxx Series MCU............21 CUChapter 2. Power Management and Reset.....................