Mackenzie I,. The 8051 Microcontroller 4 th ed / Textual Documents - 4 th ed . - Noida Pearson Education 2008 - l/551: PB; 24*18. ISBN: 9788131720189 Subjects--Index Terms: Embed .sys.des.(ME-I) Dewey Class. No.: 004.165 / PHA/MAC