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ST72324 : jitter on MCO pin on PF4 set high ??!

maxime2399
Associate II

‎2002-10-28 04:09 AM

Posted on October 28, 2002 at 13:09

ST72324 : jitter on MCO pin on PF4 set high ??!

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maxime2399
Associate II

‎2002-10-25 10:17 AM

Posted on October 25, 2002 at 19:17

I have notice some jitter on my MCO clock signal when I set high PF4

which is configured as output push pull.

I have stripped down my code and I noticed that this jitter behavior is

also related to PA3 state (configured as input floating low level) and

CSS enabled.

Have you ever got this problem on your design ?

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johan239955_stm1_stmicro
Associate II

‎2002-10-28 04:09 AM

Posted on October 28, 2002 at 13:09

Your problem looks like a product limitation described in the ST72324 errata sheet. Check the October 2002 errata sheet (Rev. 5.1), paragraph 3.2.4.

Regards,

Jojo
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