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HT95R43 - I/O Type Phone 8-bit MCU

Download the HT95R43 datasheet PDF. This datasheet also covers the HT95R44 variant, as both devices belong to the same i/o type phone 8-bit mcu family and are provided as variant models within a single manufacturer datasheet.

General Description

These phone MCUs are a series of 8-bit high performance, RISC architecture microcontroller devices specially designed for telephone applications.

Key Features

  • MCU Features.
  • MCU operating voltage without CPT Detector.
  • Multiple Operating Modes: Idle mode, Sleep mode, Green mode and normal mode.
  • Up to 1.117ms instruction cycle with 3.58MHz sys- fSYS= 3.58MHz@ 2.2V~5.5V.
  • Program Memory: 4K´16 ~ 8K´16.
  • RAM Data Memory: 1152´8 ~ 2112´8.
  • 26 bidirectional I/Os with pull-high options.
  • 2 NMOS output-only lines.
  • 4 external interrupt input pins.
  • Dual 16-bit timers with interrupts.
  • Timer external input.
  • 8-le.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (HT95R44_HoltekSemiconductor.pdf) that lists specifications for multiple related part numbers.

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
www.DataSheet4U.com HT95R44/HT95R43 I/O Type Phone 8-bit MCU with DTMF Receiver & CPT Detector Features MCU Features · MCU operating voltage without CPT Detector · Multiple Operating Modes: Idle mode, Sleep mode, Green mode and normal mode · Up to 1.117ms instruction cycle with 3.58MHz sys- fSYS= 3.58MHz@ 2.2V~5.5V · Program Memory: 4K´16 ~ 8K´16 · RAM Data Memory: 1152´8 ~ 2112´8 · 26 bidirectional I/Os with pull-high options · 2 NMOS output-only lines · 4 external interrupt input pins · Dual 16-bit timers with interrupts · Timer external input · 8-level stack · 32768Hz system oscillator · 32768Hz to 3.