HT49RV3 Key Features
- Operating voltage
- Real Time Clock (RTC)
- 8-bit prescaler for RTC
- Watchdog Timer
- Buzzer output
- On-chip crystal, RC and 32768Hz crystal oscillator
- HALT function and wake-up feature reduce power
- 17 bidirectional I/O lines (PA, PB, PC, PD)
- Two external interrupt inputs
- One 8-bit Remote Control Timer (RMT), pin-shared