Datasheet Summary
Cost-Effective A/D Flash MCU with EEPROM
HT66F002/HT66F0025/HT66F003/HT66F004
Revision: V2.50 Date: December 17, 2025
HT66F002/HT66F0025/HT66F003/HT66F004 Cost-Effective A/D Flash MCU with EEPROM
Features
CPU Features
- Operating Voltage
- fSYS = 8MHz: 2.2V~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
- Two Oscillators
- Internal High Speed 8MHz RC -- HIRC
- Internal Low Speed 32kHz RC -- LIRC
- Fully intergrated internal oscillator requires no external ponents
- Multi-mode operation: NORMAL, SLOW, IDLE and SLEEP
- All instructions executed in one or two instruction cycles
- Table read instructions
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