ST62T60C6

jl2 · ‎2005-04-01

Posted on April 01, 2005 at 12:55

ST62T60C6

jl2 · ‎2005-03-30

Posted on March 31, 2005 at 08:35

We use a ST62T60C6 to measure voltage on its CAN from a photodiode sensitive to infrared light. Sometimes, probably due to electromagnetic interferences, the microcontroller locks in a state in which it consumes something as 180mA. Then it is not able to acomplish any of its tasks, its oscillator doesn't work. Even a reset signal doesn't manage to restart it. It must be turned off before working good again.

[ Ce message a ete modifiÃ© par : : GIELLEM on 31-03-2005 12:08 ]

joern2 · ‎2005-04-01

Posted on April 01, 2005 at 12:55

This is probably a latch-up. You are pulling a port pin below Gnd or above Vcc with a higher current. If you do not limit the supply current during this state you destroy your uC.

Have a look on the maximum ratings in the datasheet.

Best regards