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(7546, 7547) Is it ceramic oscillation or RC oscillation for the selection of XIN?

Latest Updated:06/09/2005

Question:

(Clock)  When using XIN as the external clock, should the oscillation mode selection bit (bit5) in the CPU mode register (003Bh) be set to ceramic oscillation or RC oscillation ? [2005/06/09]

Answer:

Set to ceramic oscillation.
Apply the external clock to XIN and leave XOUT open. Set the external clock Duty to 50%. (#105198)
Suitable Products
7546
7547
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