Datasheet Summary
1K/2K Cost-Effective A/D Flash MCU
HT66F0021/HT66F0031/HT66F0041
Revision: V1.60 Date: September 02, 2025
HT66F0021/HT66F0031/HT66F0041 1K/2K Cost-Effective A/D Flash MCU
Features
CPU Features
- Operating voltage
- fSYS=8MHz: 1.8V~5.5V
- Up to 0.5μs instruction cycle with 8MHz system clock at VDD=5V
- Power down and wake-up functions to reduce power consumption
- Oscillator types
- Internal High Speed RC
- HIRC
- Internal Low Speed 32kHz RC
- LIRC
- Multi-mode operation: FAST, SLOW, IDLE and SLEEP
- Fully integrated internal oscillators require no external ponents
- All instructions executed in one or two instruction cycles
- Table read instructions
- 61 powerful instructions
- Up to...