HT46R48 英文资料

Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V 19 bidirectional I/O lines (max.) 1 interrupt input shared with an I/O line 8-bit programmable timer/event counter with overflow interrupt and 7-stage prescaler On-chip crystal and RC oscillator Watchdog Timer 204814 program