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I am developing a system on the MCB900 dev.board and I want to use an external crystal to generate the clock @ 12MHz. What procedure do I have to follow to enable the crystal?
http://www.keil.com/support/docs/2551.htm
From http://www.keil.com/forum/docs/thread8955.asp
"I want to set up the MCB900 to use an external oscillator (12MHz),but I can't assign any values to the UCFG1 register to set up FOSC..How do I access UCFG1 to set the ext. osc, and do I have to configure P3.0 and P3.1?"
Do you have to do this via FlashMagic?