Description
The HT48R70A-1/HT48C70-1 are 8-bit high performance, RISC architecture microcontroller devices specifically designed for multiple I/O control product applications.
The mask version HT48C70-1 is fully pin and functionally compatible with the OTP version HT48R70A-1 device.
Features
- Operating voltage: fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.3V~5.5V.
- Low voltage reset function.
- 56 bidirectional I/O lines (max. ).
- 1 interrupt input.
- 2´16-bit programmable timer/event counter and overflow interrupts.
- On-chip RC oscillator, external crystal and RC oscillator.
- 32768Hz crystal oscillator for timing purposes only.
- Watchdog Timer.
- 8192´16 program memory ROM.
- 224´8 data memory RAM.
- Buzzer driving pair and PFD supported.
- HALT func.
HT48C70-1 Datasheet
