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HT56R66 Datasheet (HT56R66 / HT56R666) TinyPower A/D Type

Manufacturer: Holtek Semiconductor

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General Description

These TinyPowerTM A/D Type with LCD 8-bit high performance RISC architecture microcontrollers are specifically, designed for applications that interface directly to analog signals and which require an LCD or LED interface.

The devices include an integrated multi-channel Analog to Digital Converter, Pulse Width Modulation outputs and an LCD/LED driver.

With their fully integrated SPI and I2C functions, designers are provided with a means of easy communication with external peripheral hardware.

Overview

HT56R66/HT56R666 TinyPowerTM A/D Type with LCD 8-Bit OTP MCU Technical Document · Application Note - HA0075E MCU Reset and Oscillator Circuits Application.

Key Features

  • Operating voltage: fSYS=32768Hz: 2.2V~5.5V fSYS=4MHz: 2.2V~5.5V fSYS=8MHz: 3.0V~5.5V fSYS=12MHz: 4.5V~5.5V.
  • Operating current: fSYS=1MHz at 3V: 170mA, typ. fSYS=32kHz at 3V: 6mA, typ.
  • OTP Program Memory: 16K´16.
  • RAM Data Memory: 1152´8.
  • 24 to 32 bidirectional I/O lines.
  • TinyPower technology for low power operation.
  • Three pin-shared external interrupts lines.
  • Multiple programmable Timer/Event Counters with overflow interrupt and 7-stage prescaler.
  • Ex.

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