Datasheet Details
| Part number | HT48R70A-1 |
|---|---|
| Manufacturer | Holtek Semiconductor Inc |
| File Size | 245.77 KB |
| Description | I/O Type 8-Bit MCU |
| Datasheet |
 HT48R70A-1 Datasheet
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General 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.
Key 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.