HT48RA3 Datasheet PDF

Holtek Semiconductor HT48RA3

the HT48 MCU Series Controlling the HT1621 LCD Controller with the HT48 MCU Series Using the HT48CA0 to Generate the HT6221 Output Signals MCU Reset and Oscillator Circuits Application Note HT48RAx/HT48CAx Software Application Note HT48xA0-1 and HT48xA0-2 Power-on Reset Timing Features · Operating voltage: 2.0V~5.5V · 23 bidirectional I/O lines (max.) · 1 interrupt input shared with an I/O line · 8-bit programmable timer/event counter with overflow · PFD supported · HALT function and wake-up feature reduce power consumption · 8-level subroutine nesting · Up to 1ms instruction cycle with 4MHz... The data ROM can be used to store remote control codes. The mask version HT48CA3 is fully pin and functionally compatible with the OTP version HT48RA3 device.