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Enhanced 24-bit A/D Flash MCU

12/05/2023

The BH66F5355 has high-resolution 24-bit Delta-Sigma A/D converter performance, making it suitable for use in high accuracy measurement products such as electronic scales, blood pressure meters and so on. In addition, an integrated accurate temperature sensor is also provided to make the device appropriate for use in ear thermometers, forehead thermometers, electronic thermometers and other temperature measurement products.

This new device includes a 4-channel 24-bit A/D converter, an LDO, two Operational Amplifiers and a D/A converter, which together can implement high accuracy measurements. In having an integrated accurate temperature sensor, it offers the advantages of requiring fewer peripheral components and lower power consumption when compared with other NTC applications. The device can directly drive LEDs for display purposes and has software adjustable brightness. It also includes a range of external serial interfaces, including I²C, SPI and UART interface types.

Main Features

CPU Features

  • Operating voltage
  • fSYS= 4MHz: 2.2V~5.5V
  • fSYS= 8MHz: 2.2V~5.5V
  • fSYS=12MHz: 2.7V~5.5V
  • Up to 0.33μs instruction cycle with 12MHz system clock
  • Power down and wake-up functions to reduce power consumption
  • Oscillator types
  • Internal High Speed 4/8/12MHz RC – HIRC
  • Internal Low Speed 32kHz RC – LIRC
  • Multi-mode operation: FAST, SLOW, IDLE and SLEEP

Peripheral Features

  • Flash Program Memory: 8K×16
  • Data Memory: 512×8
  • True EEPROM Memory: 512×8
  • Watchdog Timer function
  • 10 bidirectional I/O lines
Documents Tech question
Holtek BH66 F5355

Enhanced 24-bit A/D Flash MCU

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Applications & Markets

  • 4 Medical Healthcare Fitness

    Medical, Healthcare & Fitness

Technologies

  • Shutterstock 1632356350

    Microcontroller, microprocessors & memory ICs

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 BH66 F5355v100 Datasheet
Pexels thisisengineering 3913017

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