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LC72321 - Single-Chip Microcontroller

Key Features

  • a large-capacity ROM, a highly efficient instruction set, and powerful hardware.
  • Voltage detection type reset circuit.
  • One 6-bit A/D converter.
  • Two 8-bit D/A converters (PWM).
  • One external interrupt (The LC72321 provides an external interrupt, and internal interrupt and a serial I/O interrupt, one of which can be selected under program control. ).
  • Hold mode for RAM backup.
  • Sense FF for hot/cold startup determination.
  • PLL: 4.5 to 5.5.

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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.

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Ordering number : EN4796A CMOS LSI LC72321 Single-Chip Microcontroller with PLL and LCD Driver Preliminaly Overview The LC72321 is a single-chip microcontroller for use in electronic tuning applications. It includes on chip both LCD drivers and a PLL circuit that can operate at up to 150 MHz. It features a large-capacity ROM, a highly efficient instruction set, and powerful hardware. • Voltage detection type reset circuit • One 6-bit A/D converter • Two 8-bit D/A converters (PWM) • One external interrupt (The LC72321 provides an external interrupt, and internal interrupt and a serial I/O interrupt, one of which can be selected under program control.) • Hold mode for RAM backup • Sense FF for hot/cold startup determination • PLL: 4.5 to 5.5 V • CPU: 3.5 to 5.5 V • RAM: 1.3 to 5.