HT46R94 Key Features
- Operating voltage: fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V
- Max of 40 bidirectional I/O lines
- External dual edge triggered interrupt input shared with I/O line
- Two 8-bit programmable Timer/Event Counters with overflow interrupt
- RC/XTAL and 32768Hz crystal oscillators
- Dual clock system offers three operating modes
- Normal mode: Both RC/XTAL and 32768Hz clock active
- Slow mode: 32768Hz clock only
- Power-down mode can have periodical wake-up using the watchdog timer overflow
- Watchdog Timer