Holtek Semiconductor HT49RU80
the HT49 Series MCUs - HA0024E Using the RTC in the HT49 MCU Series - HA0025E Using the Time Base in the HT49 MCU Series - HA0026E Using the I/O Ports on the HT49 MCU Series - HA0027E Using the Timer/Event Counter in the HT49 MCU Series Features · Operating voltage: · Buzzer output · On-chip crystal, RC and 32768Hz crystal oscillator · HALT function and wake-up feature reduce power fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 8 input lines and 7 output lines · 16 bidirectional I/O lines · Two external interrupt inputs · One 8-bit and two 16-bit programmable timer/event consumption · 16-level... The mask version, the HT49CU80, is fully pin and functionally compatible with the OTP version HT49RU80 device. The advantages of low power consumption, I/O flexibility, programmable frequency divider, timer functions, oscillator options, power-down and wake-up functions and buzzer driver in addition to a flexible and configurable LCD interface, enhance the versatility of these devices to control a wide range of LCD-based application possibilities such as measuring scales, electronic multimeters, gas meters, timers, calculators, remote controllers and many other LCD-based industrial and home appliance applications.
Holtek Semiconductor
