Holtek Semiconductor HT48R52
the HT48 MCU Series Using the Timer/Event Counter in the HT48 MCU Series Features · Operating voltage: · External RC and 32768Hz crystal oscillator · Dual clock system offers three operating modes - Normal mode: Both RC and 32768Hz clock active - Slow mode: 32768Hz clock only - Idle mode: Periodical wake-up by watchdog timer fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V · Program memory: HT48R52: 2k´14 HT48R53: 4k´15 · 88´8 data memory · 40 bidirectional I/O lines · One External interrupt input · One Internal interrupt · 8 bit programmable timer/event counter · 4-level subroutine nesting ·... The advantages of low power consumption, I/O flexibility, timer functions, oscillator options, HALT 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.
Holtek Semiconductor
