| ??? 06/22/04 21:57 Read: times |
#72977 - RE: Brownout Responding to: ???'s previous message |
Kai Klaas said:
Can you have a look with oscilloscope at battery voltage that is reaching your micro board? I guess, you will see nasty dips causing some brown-out condition.
Remedy: Using a MAX1232 reset circuit with brown-out detection. Note that a supervisor (such as MAX1232) is not actually a remedy to the underlying problem (bad power supply regulation); it just stops the symptoms - ie, the processor lock-up. See: http://www.8052.com/forum/read.phtml?id=72428 and: http://www.8052.com/forum/read.phtml?id=72454 In fact, you might want to review the whole of that thread - it sounds like you may have similar problems! |
| Topic | Author | Date |
| MPU aren't happy with sharing battery | 01/01/70 00:00 | |
| RE: MPU aren't happy with sharing battery | 01/01/70 00:00 | |
| RE: MPU aren\'t happy with sharing battery | 01/01/70 00:00 | |
| RE: MPU aren\\\'t happy with sharing battery | 01/01/70 00:00 | |
| RE: MPU aren\\\'t happy with sharing battery | 01/01/70 00:00 | |
| RE: MPU aren\'t happy with sharing battery | 01/01/70 00:00 | |
| RE: ground is not ground | 01/01/70 00:00 | |
| It just clip it on... and How it works? | 01/01/70 00:00 | |
| RE: It just clip it on... and How it works? | 01/01/70 00:00 | |
| What do you expect on the Power line? | 01/01/70 00:00 | |
RE: What do you expect on the Power line? | 01/01/70 00:00 | |
| RE: Brownout | 01/01/70 00:00 |