3690
правок
Строка 238: | Строка 238: | ||
In the alternate general-purpose ADC mode (with current source disabled), the input is pulled down to the ground. | In the alternate general-purpose ADC mode (with current source disabled), the input is pulled down to the ground. | ||
In this case, a | In this case, a logical zero corresponds to the floating input, while logical high corresponds to the voltage across terminals higher than 2.5V. | ||
In this mode one should connect external buttons, sensors, etc. between the Rx terminal and either "5V out" or positive power supply terminal. | In this mode one should connect external buttons, sensors, etc. between the Rx terminal and either "5V out" or positive power supply terminal. |