In SX Microcontrollers, SX/B Compiler and SX-Key Tool, kwanhk wrote: Dear Bean, Thank you very much for your advice! After changing from "BOROFF" to "BOR26", the MCU can run at low as 3.2V. But I don't understand why the brownout level affect the operation of my programme. Can you tell me why? Thanks a lot. ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=117785#m119050 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2006 (http://www.dotNetBB.com)