Part No. Internal
Clock		 VDD System
Clock		 Program
Memory		 Data
Memory		 I/O Timer A/D PWM PFD OPA Comp. Stack Package
8-bit 16-bit
HT45FM03B 12MHz
16MHz
20MHz		 4.5V~
5.5V		 400kHz~
20MHz 		4Kx15 192x8 26 1 1 12-bitx8 10-bitx3 v 1 1 8 28SOP