| ??? 05/23/05 16:20 Read: times |
#93767 - Measuring frequency with Voltmeter! Responding to: ???'s previous message |
Just pause for a while before you type in that flame looking at the subject!
Mehdi has been trying to justify a practice and ended up counting the number of legs a cat is supposed to have ;-) The sick cat was interesting. We do practice this quick-n-dirty method to find if an MCU is kicking. With a good multimeter ( not a cheapo ) I have noticed that when you measure the ALE of an MCU running a particular code at 12MHz in 12 clock mode, you measure AROUND 1.63 V dc. Now for the warnings : > This is a CRUDE way to test if the MCU is clocking in the field TILL the O.Scope arrives. > The code that runs is IDENTICAL to the one with which this voltage was observed. > This in no way is a proper method. Just a fast one to use when you are forced to SAW with a FILE. With all this if you think that it is a job for an Oscilloscope.... you are right. Raghu |
| Topic | Author | Date |
| works on simulation but not on hardware | 01/01/70 00:00 | |
| How can the hardware be working.... | 01/01/70 00:00 | |
| Thanks Michael | 01/01/70 00:00 | |
| Voltmeter - Answer is partly wrong! | 01/01/70 00:00 | |
| square wave with high frequency | 01/01/70 00:00 | |
| Invalid Deduction | 01/01/70 00:00 | |
| Bad evolvement! | 01/01/70 00:00 | |
| I tried | 01/01/70 00:00 | |
| Jan you are a powerful understand-er | 01/01/70 00:00 | |
| Measuring frequency with Voltmeter! | 01/01/70 00:00 | |
| by maens othere that the right one | 01/01/70 00:00 | |
What an idea!! | 01/01/70 00:00 | |
| Today says from yesterday | 01/01/70 00:00 | |
| Oh,as the same of my baby | 01/01/70 00:00 | |
| Sorry Mehdi, you're misguided. | 01/01/70 00:00 | |
| Philips App Note - Crystal Oscillators | 01/01/70 00:00 | |
| I am talking about a small module only | 01/01/70 00:00 | |
| Not a good way to get help | 01/01/70 00:00 | |
| works on simulator | 01/01/70 00:00 | |
| works on simulator | 01/01/70 00:00 | |
| I do not know | 01/01/70 00:00 | |
| When Simulation & Real-Life Differ | 01/01/70 00:00 |