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HT82B40R from HOLTEL

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HT82B40R

Manufacturer: HOLTEL, HOLTEK

I/O MCU with USB Interface
Partnumber Manufacturer Quantity Availability
HT82B40R HOLTEL, HOLTEK 182 In Stock

Description and Introduction

I/O MCU with USB Interface The HT82B40R is a microcontroller manufactured by HOLTEK. Here are its key specifications:

- **Architecture**: 8-bit  
- **Core**: HOLTEK 8-bit microcontroller  
- **Operating Voltage**: 2.2V to 5.5V  
- **Clock Speed**: Up to 8 MHz (internal RC oscillator)  
- **Program Memory (Flash)**: 4 KB  
- **RAM**: 192 bytes  
- **EEPROM**: 128 bytes  
- **I/O Pins**: 24  
- **ADC Channels**: 8-bit, 4 channels  
- **Timers**: 2 x 8-bit timers, 1 x 16-bit timer  
- **Communication Interfaces**: UART, SPI, I²C  
- **PWM Channels**: 1  
- **Operating Temperature Range**: -40°C to +85°C  
- **Package**: 28-pin SOP/SSOP  

This information is based on HOLTEK's official documentation for the HT82B40R microcontroller.

Application Scenarios & Design Considerations

I/O MCU with USB Interface

Alternative Part Number

  • HT82B40A --: Same Holtek HT82 series MCU with similar I/O and memory configuration, commonly used as a direct functional substitute.
  • PIC16F57-I/P --: Low-cost 8-bit microcontroller with comparable I/O count and program memory, suitable for similar embedded control applications.
  • EM78P153S --: 8-bit OTP microcontroller with similar pin count and I/O capability, often used as a cost-effective alternative in simple control designs.
  • PIC16F54-I/SO --: 8-bit microcontroller in a similar low-cost small package, widely available and often used as a functional substitute for simple Holtek MCUs.
  • ATtiny13A-SSU --: Small 8-bit AVR microcontroller with comparable I/O and memory class, suitable for many applications that use the HT82B40R.

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