· Operating voltage: fSYS= 4MHz: 2.2V~5.5V fSYS= 8MHz: 3.3V~5.5V fSYS= 12MHz: 4.5V~5.5V
· 7 bidirectional I/O lines and 1 input line · External interrupt input shared with an I/O line · One or two 8-bit programmable Timer/Event Coun-
ters with overfl...