HT46F48E Key Features
- Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V fSYS=12MHz: 4.5V~5.5V
- 13 to 23 bidirectional I/O lines
- External interrupt input shared with an I/O line
- 8-bit programmable Timer/Event Counter with over
- On-chip crystal and RC oscillator
- Watchdog Timer function
- PFD for audio frequency generation
- Power down and wake-up functions to reduce power
- Up to 0.5ms instruction cycle with 8MHz system clock at VDD=5V
- 4 or 6-level subroutine nesting