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MCUprogrammer

Joined: 08 Sep 2020
Posts: 213

 Posted: Wed Aug 17, 2022 8:03 am How many milliamperes does a GPIO pin of the MCU draw minimum and maximum? Where can I look in the datasheet._________________Best Regards... MCUprogrammer _______________________________ Work Hard
jeremiah

Joined: 20 Jul 2010
Posts: 1306

 Posted: Wed Aug 17, 2022 8:23 am The electrical characteristics section of the data sheet tends to have all that info
Ttelmah

Joined: 11 Mar 2010
Posts: 18974

 Posted: Wed Aug 17, 2022 8:37 am It's more complex than on the simpler chips. 15mA max on any four pins. 25mA max on a group of 8.
MCUprogrammer

Joined: 08 Sep 2020
Posts: 213

 Posted: Wed Aug 17, 2022 8:43 am So where is it written? Can you share an example?_________________Best Regards... MCUprogrammer _______________________________ Work Hard
dyeatman

Joined: 06 Sep 2003
Posts: 1902
Location: Norman, OK

 Posted: Wed Aug 17, 2022 10:26 am As jeremiah said above, you need to read the datasheet Electrical Characteristics section (use the datasheet index). Absolute Maximum Ratings Ambient temperature under bias..........-40°C to +125°C Storage temperature ...................... -65°C to +150°C Voltage on V DD with respect to V SS -0.3V to +4.0V Voltage on any pin that is not 5V tolerant with respect to V SS(3)... -0.3V to (VDD + 0.3V) Voltage on any 5V tolerant pin with respect to V SS when VDD  3.0V(3). ... -0.3V to +5.5V Voltage on any 5V tolerant pin with respect to Vss when V DD < 3.0V(3) .... -0.3V to +3.6V Maximum current out of VSS pin .........................................300 mA Maximum current into V DD ................................................300 mA Maximum current sunk/sourced by any 4x I/O ........................15 mA Maximum current sunk/sourced by any 8x I/O pin ...................25 mA Maximum current sunk by a group of I/Os between two VSS pins(4)...200 mA Maximum current sourced by a group of I/Os between two VDD pins(4) ....200 mA_________________Google and Forum Search are some of your best tools!!!!
MCUprogrammer

Joined: 08 Sep 2020
Posts: 213

 Posted: Thu Aug 18, 2022 12:57 am thanks..._________________Best Regards... MCUprogrammer _______________________________ Work Hard
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