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HT95R45 - Phone 8-Bit MCU

General Description

The phone MCU is a 8-bit high performance, RISC architecture microcontroller devices specially designed for telephone applications.

Key Features

  • Operating voltage:.
  • Serial Interfaces Module: SIM for SPI or I2C.
  • Internal DTMF generator.
  • Internal DTMF receiver.
  • 12-bit Audio DAC output.
  • Power-down and wake-up feature for power-saving fSYS=3.58MHz: 2.2V~5.5V fSYS=7.16MHz: 3.0V~5.5V fSYS=10.74MHz: 3.0V~5.5V fSYS=14.32MHz: 4.5V~5.5V.
  • Program Memory: 16K´16.
  • 2112´8 Data Memory.
  • 42 bidirectional I/Os with pull-high options.
  • 2 NMOS output-only lines.
  • External interrupt input.
  • Three 16-.

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Full PDF Text Transcription for HT95R45 (Reference)

Note: Below is a high-fidelity text extraction (approx. 800 characters) for HT95R45. For precise diagrams, tables, and layout, please refer to the original PDF.

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www.DataSheet4U.com HT95R45 Phone 8-Bit MCU with DTMF Receiver & CPT Features · Operating voltage: · Serial Interfaces Module: SIM for SPI or I2C · Internal DTMF generator · Internal DTMF receiver · 12-bit Audio DAC output · Power-down and wake-up feature for power-saving fSYS=3.58MHz: 2.2V~5.5V fSYS=7.16MHz: 3.0V~5.5V fSYS=10.74MHz: 3.0V~5.5V fSYS=14.32MHz: 4.5V~5.5V · Program Memory: 16K´16 · 2112´8 Data Memory · 42 bidirectional I/Os with pull-high options · 2 NMOS output-only lines · External interrupt input · Three 16-bit timers with interrupts · Timer external input · 8-level stack · 32768Hz system oscillator · 32768Hz up to 14.