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HT46R003B Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
HT46R003BHOLTEK2019Yes

HT46R003B** is a microcontroller manufactured by **HOLTEK**.

The HT46R003B is a microcontroller manufactured by HOLTEK. Below are its key specifications, descriptions, and features:

Specifications:

  • Architecture: 8-bit RISC
  • CPU Speed: Up to 8 MHz (4 MHz internal RC oscillator)
  • Program Memory (ROM): 1K x 14 bits (OTP type)
  • RAM: 64 bytes
  • EEPROM: None
  • I/O Pins: 13 bidirectional I/O pins
  • ADC: 4-channel, 9-bit resolution
  • Timers:
  • 1 x 8-bit timer
  • 1 x 16-bit timer
  • PWM Output: 1 x 8-bit PWM
  • Watchdog Timer (WDT): Yes
  • Operating Voltage: 2.2V to 5.5V
  • Operating Temperature: -40°C to +85°C
  • Package Options:
  • 16-pin NSOP
  • 16-pin DIP

Descriptions:

The HT46R003B is a cost-effective 8-bit OTP microcontroller designed for applications requiring analog signal processing, such as sensor interfaces, small appliances, and consumer electronics. It integrates an ADC, PWM, and timers, making it suitable for simple control tasks.

Features:

  • Low power consumption
  • Built-in 4-channel 9-bit ADC
  • 8-bit PWM output
  • HALT mode for power saving
  • Internal RC oscillator (4 MHz)
  • Watchdog timer for system reliability
  • Industrial-grade operating temperature range

This microcontroller is commonly used in home appliances, motor control, and basic embedded systems.

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