The ~
in pins names like ~RST
means not
.
- A pin named without
~
, for exampleRST
orRESET
, will perform its function (e.g. reset the device) when it is connected to VCC - A pin named with
~
, for example~RST
or~RESET
, will perform its function (e.g. reset the device) when it is connected to GND
~RESET
has exactly the same meaning as overlining the name – for example \overline{\text{RESET}}. Some manufacturers also use use n
instead of ~RESET
or \overline{\text{RESET}}