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Ultra-Low Voltage R to F MCU

10/06/2022

Inheriting the excellent feature of the BH67F2132, this new BH67F2142 has a richer set of MCU resources and a minimum operating voltage of 1.1V, making it suitable for a wide range of single-battery powered temperature measurement products, such as thermometers and indoor/outdoor temperature measurement applications.

The BH67F2142 includes an integrated resistance/frequency (R/F) conversion circuit and an EL backlight function. In having a high level of functional integration, the device requires few peripheral components, which significantly reduces manufacturing costs. The device has an integrated Flash program memory and Data EEPROM which can store various parameters and increase the product flexibility.

The device includes 4K words of Flash Program Memory, 256 bytes of Data Memory and 128 bytes of EEPROM Memory. As for packaging, the device is supplied in a 48-pin LQFP package type.

Main Features

CPU Features:

  • Operating voltage: 1.1V~2.2V
  • Up to 31μs instruction cycle with 128MHz system clock
  • Power down and wake-up functions to reduce power consumption
  • Multi-mode operation: NORMAL, IDLE and SLEEP
  • Fully integrated 32/64/128kHz oscillators require no external components

Peripheral Features:

  • Flash Program Memory: 4K×16
  • RAM Data Memory: 256×8
  • True EEPROM Memory: 128×8
  • Watchdog Timer function
  • Up to 23 bidirectional I/O lines
Documents Tech question
Holtek BH67 F2142

Ultra-Low Voltage R to F MCU

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Holtek

Holtek Semiconductor is a leading professional IC design house in Taiwan having its major business activities focused in the area of microcontroller and peripheral component design.

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Documents

  • Holtek BH67 F2142v100 Datasheet
Pexels thisisengineering 3913017

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