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Product Overview:

The R8C/LA8A is based on the R8C CPU Core. Maximum operating frequency is 20 MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source.

Key Features:

Achieves industry top-class ultralow power consumption

  • Less than half the operating power consumption and standby power consumption compared to previous Renesas products
  • Built-in functions conducive to lowering system power consumption
    • Flash memory erasing/writing/reading at 1.8 V
    • Industry's first LCD with memory effect
    • Full calendar RTC with automatic correction function
  • 8 MHz operation at 1.8 V supply voltage, and 20 MHz operation from 2.7 V available
  • 8-bit Multifunction Timer with 8-bit prescaler (Timer RB0 and RB1): 2
  • 16-bit Input Capture/Output Compare Timer (Timer RC): 1
  • 8-bit Real-Time Clock Timer with compare match function (Timer RH): 1
  • 16-bit Multifunction Timer (Timer RJ0, RJ1 and RJ2): 3
  • UART/Clock Synchronous Serial Interface: 2 channels
  • I2C-bus Interface/Synchronous Serial Communication Unit: 1 channel
  • 10-bit A/D Converter: 12 channels
  • Temperature Sensor
  • Comparator: 2
  • LCD Drive Control Circuit
    • Bias: 1/2, 1/3
    • Duty: Static, 1/2, 1/3, 1/4
    • Common output: Max. 4 pins
    • Segment output: Max. 40 pins
  • Watchdog Timer
  • Clock Generating Circuits: XIN Clock Oscillation Circuit, On-chip Oscillator (High/Low Speed), XCIN Clock Oscillation Circuit
  • Low Power Consumption Modes
    • Standard Operating Mode (Clock (High/Low speed), On-chip Oscillator (High/Low speed))
    • Wait Mode, Stop mode,
  • Oscillation Stop Detection
  • I/O Ports: 72 (incl. LED drive ports)
  • External Interrupt Pins: 16

Please refer to Product Specifications for details on each function.

Key Applications:

  • Electronic Household Appliances, Office Equipment, Audio Equipment, Consumer Products


Product Lineup:


Alliance Partner



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