HT66F0181 Microcontroller by Holtek | 8-Bit MCU, 16-NSOP Package (16 Pins)
Holtek
HT66F0181 Microcontroller – Holtek Technology
The HT66F0181 is an 8-bit high-performance Flash Memory RISC microcontroller from Holtek, offered in a compact 16-pin NSOP package. It features Flash memory with multi-programming capabilities, RAM data memory, and Emulated EEPROM for storing non-volatile data such as calibration values and serial numbers.
With its multi-channel 10-bit A/D converter, versatile Timer Modules, and PWM generation capabilities, this device is well-suited for precision measurement, control, and monitoring applications. Built-in protective features like a Watchdog Timer, Low Voltage Reset (LVR), excellent noise immunity, and ESD protection ensure reliable performance even in harsh environments.
The HT66F0181 provides flexible oscillator options, supporting both high- and low-speed internal oscillators, allowing dynamic switching to optimize performance and minimize power consumption.
Technical Specifications
| Parameter | Value / Description |
|---|---|
| Core Architecture | 8-bit high-performance RISC |
| Flash Program Memory | 4K × 15 |
| RAM Data Memory | 128 × 8 |
| Emulated EEPROM Memory | 32 × 15 |
| ADC | Multi-channel 10-bit A/D converter |
| Timers | Multiple timers with PWM generation |
| Protective Features | Watchdog Timer, Low Voltage Reset, Noise immunity, ESD protection |
| Oscillators | Internal high-speed & low-speed oscillators (no external components required) |
| Package | 16-NSOP (16 pins) |
| Applications | Metering, monitoring, handheld instruments, appliances, tools, motor driving |
Key Features
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Flash Memory with multi-programming convenience
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Embedded Emulated EEPROM for non-volatile data storage
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10-bit multi-channel ADC for precision measurements
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Flexible timer modules with PWM capability
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Integrated protection features (WDT, LVR, ESD, noise immunity)
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Dual internal oscillators with dynamic clock switching
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Optimized for low-power operation
Applications
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Electronic metering systems
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Environmental monitoring devices
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Handheld instruments
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Household appliances
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Electronically controlled tools
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Motor driving and control
