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Using external oscillator on MCB900

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Author
Meiring De Wet
Posted
15-Dec-2006 07:50 GMT
Toolset
C51
New! Using external oscillator on MCB900

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?

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Author
Andy Neil
Posted
15-Dec-2006 07:59 GMT
Toolset
C51
New! RE: Using external oscillator on MCB900

http://www.keil.com/support/docs/2551.htm

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Author
Andy Neil
Posted
15-Dec-2006 09:27 GMT
Toolset
C51
New! UCFG1 register

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?

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