Holtek Semiconductor HT48R02
the HT48 & HT46 Series MCUs and the HT93LC46 EEPROM HA0016E Writing and Reading to the HT24 EEPROM with the HT48 MCU Series HA0018E Controlling the HT1621 LCD Controller with the HT48 MCU Series HA0049E Read and Write Control of the HT1380 Features · Operating voltage: · Watchdog Timer · Program memory ROM: Up to 4096´15 · Data memory RAM: Up to 160´8 · Buzzer driving pair and PFD supported · Power-down and wake-up functions reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V fSYS=12MHz: 4.5V~5.5V · 7 bidirectional I/O lines and 1 input · Interrupt input shared with I/O line · 4 oscillator... The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, Power-down and wake-up functions, Watchdog Timer, buzzer driver, as well as low cost, enhance the versatility of these devices to suit a wide range of application possibilities such as industrial control, consumer products, subsystem controllers, etc.