The maximum current that can be sinked totally by all the ports of 8051 is
(a) 61 mA
(b) 81 mA
(c) 91 mA
(d) 71 mA
This question was posed to me in a national level competition.
I'd like to ask this question from Interfacing With 8051 Ports -2 topic in chapter Microcontroller 8051 of Microprocessor