Contextual Info: à H D LTE K A r r H T 4 - 4 4 b i t 5 M / i c 4 r 4 o A 5 c o / n t 4 r 4 R 5 o l l e O r s HT44500/445A0/445R0 SPECIFICATION Features • O p eratin g voltag e: 3.0V~5.0V 1.5V for H T 4 4 5 R0 8-bit program m able tim e r w ith ex tern al clock or b u ilt-in freq uency sources

HT44500

Abstract: HT445A0 HT445R0
Contextual Info: HT44500/445A0/445R0 4-bit Microcontrollers HT44500/445A0/445R0 SPECIFICATION Features • Operating voltage: 3.0V~5.0V 1.5V for HT445R0 • 8-bit programmable timer with external clock or built-in frequency sources • Two 4-bit input ports • External interrupt input