Description
These devices are 8-bit high performance, RISC architecture microcontroller specifically designed for multiple I/O control product applications.
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 ti.
HT48R52 Datasheet
