| Part No. |
Internal Clock |
VDD |
System Clock |
Program Memory |
Data Memory |
Data EEPROM |
Stack | I/O | Timer | ADC | OCP | PWM | Comparator | OPA | Interface | Package |
| HT66FM5230 | 20MHz |
4.5V~ 5.5V |
32kHz~ 20MHz |
2K×16 | 256×8 | 32×8 | 6 | 18 |
10-bit CTM×1 10-bit STM×1 16-bit CAPTM×1 16-bit CTM×1 |
10-bit×6 | 1 | 10-bit×3 | 3 | -- | I²C×1 |
16NSOP 20SSOP |
| HT66FM5240 | 20MHz |
4.5V~ 5.5V |
32kHz~ 20MHz |
4K×16 | 256×8 | 64×8 | 8 | 26 |
10-bit PTM×2 16-bit PTM×2 16-bit CAPTM×1 |
12-bit×8 | 1 | 10-bit×3 | 3 | -- |
I²C×1 UART×1 |
20/28SSOP 24QFN |
| HT66FM5242 | 20MHz |
4.5V~ 5.5V |
32kHz~ 20MHz |
4K×16 | 256×8 | -- | 8 | 18 |
10-bit PTM×2 16-bit PTM×2 16-bit CAPTM×1 |
12-bit×7 | 1 | 10-bit×3 | -- | -- | -- |
16NSOP 20SSOP |
| HT66FM5440 | 16MHz |
4.5V~ 5.5V |
32kHz~ 16MHz |
4K×16 | 384×8 | -- | 8 | 26 |
10-bit PTM×2 16-bit PTM×2 16-bit CAPTM×1 |
12-bit×9 | 1 | 10-bit×3 | 3 | 2 |
I²C×1 UART×1 |
28SSOP |
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