HT445P0

Abstract: PBM10 38khz piezo buzzer
Contextual Info: HT445P0 4-bit Microcontroller HT445P0 Specification Features • Operating voltage: 2.4V~5.2V • 12-bit input/output ports PD, PM, PS • A 4-bit output port (PA) • Output port PA can be used as an A/D port, of which PA3 can be optioned as a carrier output line; PA1 and PA0 can both be used