Description
This device is an 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications.
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.
HT48R54A Datasheet
