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HT46F48E from HOLTEK

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HT46F48E

Manufacturer: HOLTEK

Cost-Effective A/D Flash Type 8-Bit MCU with EEPROM
Partnumber Manufacturer Quantity Availability
HT46F48E HOLTEK 21 In Stock

Description and Introduction

Cost-Effective A/D Flash Type 8-Bit MCU with EEPROM The HT46F48E is a microcontroller manufactured by HOLTEK. Below are its key specifications:

1. **Architecture**: 8-bit RISC  
2. **Core**: HOLTEK 8-bit microcontroller  
3. **Operating Voltage**: 2.2V to 5.5V  
4. **Clock Speed**: Up to 8MHz (internal RC oscillator)  
5. **Program Memory (Flash)**: 4KB  
6. **RAM**: 192 bytes  
7. **EEPROM**: 128 bytes  
8. **I/O Pins**: 23 general-purpose I/O pins  
9. **ADC**: 8-channel, 12-bit resolution  
10. **PWM**: 1 channel (8-bit resolution)  
11. **Timers**: 2 x 8-bit timers, 1 x 16-bit timer  
12. **Communication Interfaces**: UART, SPI, I²C  
13. **Operating Temperature**: -40°C to +85°C  
14. **Package**: 28-pin SOP/SSOP  

This information is based on HOLTEK's official datasheet for the HT46F48E.

Application Scenarios & Design Considerations

Cost-Effective A/D Flash Type 8-Bit MCU with EEPROM

Alternative Part Number

  • PIC16F887-I/P --: 8-bit flash MCU with comparable I/O, timers, and ADC resources; widely available and well documented as a functional substitute in many Holtek designs.
  • STM8S208RB --: 8-bit MCU with similar peripheral set including ADC, timers, and UART; suitable for designs migrating away from the HT46F48E.
  • ATmega48PA-PU --: Low-cost 8-bit AVR MCU with comparable GPIO, timers, and ADC; a practical alternative when firmware porting is acceptable.

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