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???
05/07/05 08:05
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Msg Score: +1
 +1 Good Answer/Helpful
#93157 - Use XTAL2 pin for freq. measurment
Responding to: ???'s previous message
Vijayganesh S said:
...8MHz for 24MHz crystal between XTAL1 & GND. and between XTAL1 & XTAL2 i am getting only 50Hz

XTAL2 pin is to be used to measure the freq.

Vijayganesh S said:
...atmel 89c51 based controller. from the datasheet...

from the datasheet: Not Recommended for New Designs. Use AT89S52.

List of 11 messages in thread
TopicAuthorDate
crystal problem - 89c51            01/01/70 00:00      
   ALE            01/01/70 00:00      
      Maybe...            01/01/70 00:00      
   two capacitors or one??            01/01/70 00:00      
      milli?            01/01/70 00:00      
   read Atmel            01/01/70 00:00      
   Use XTAL2 pin for freq. measurment            01/01/70 00:00      
   Better use 22MHz fundamental + two 27pF            01/01/70 00:00      
      tried for low capacitance            01/01/70 00:00      
         bible time            01/01/70 00:00      
   This should help            01/01/70 00:00      

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