Holtek Semiconductor HT48R54A
the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series MCU Reset and Oscillator Circuits Application Note Features · Operating voltage: · RC/XTAL and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC/XTAL and 32768Hz clock fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · 4k´15 program memory ROM · 192´8 data memory RAM · 16 bidirectional I/O lines · 24 output lines · One external interrupt input · Two internal interrupt · Two 8 bit programmable timer/event counter · 32768 Real Time Clock function · 6-level... The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT and wake-up functions, watchdog timer, 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.
Holtek Semiconductor
