HT46C22 - 8-Bit A/D Type MCU
HT46C22 Features
* Operating voltage:
* Up to 0.5ms instruction cycle with 8MHz system clock fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 4.5V~5.5V
* 19 bidirectional I/O lines (max.)
* 1 interrupt input shared with an I/O line
* 8-bit programmable timer/event counter with over- at VDD=5V
* 6-level subr