You are reading a single comment by @allObjects and its replies.
Click here to read the full conversation.
Espruino is a JavaScript interpreter for low-power Microcontrollers. This site is both a support community for Espruino and a place to share what you are working on.
@allObjects
This is a good average for high drawing with output pins just driving input pins with only (very) high input impedance of other things.
If you though drive lower impedance inputs / loads - and LEDs (can) already fall in this category, or even driving other devices' power as done in this application about GPS powered by Espruino pin(s) - you may rethink -and do current budgeting.
Taking a look at the chip's specs at http://www.espruino.com/datasheets/STM32F401xD.pdf , section 6.2 Absolute maximum ratings (p. 58+), Table 12. Current characteristics (p. 59), the chip can draw max 160mA, with I/O pins driving capabilities is 25mA, but sink and source by I/O pins combined is not to exceed 120mA (to stay within voltage spec levels for solid high and low and not to burn up the STM32 chip).