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R8C/L3AA, R8C/L3AB Group


Product Overview:

The R8C/L3AA, R8C/L3AB are based on the R8C CPU Core. Maximum operating frequency is 20MHz. A Flash Memory Version is available. Internal Flash Memory is programmable on a single power source.

Key Features:

  • 5 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 RA and RB): 2
  • 16-bit Input Capture/Output Compare Timer (Timer RC, RD, RG): 4
  • 8-bit Real-Time Clock Timer with compare match function (Timer RE): 1
  • UART/Clock Synchronous Serial Interface: 3 channels
  • I2C-bus Interface/Synchronous Serial Communication Unit: 1 channel
  • LIN Module: 1 channel (Timer RA, UART0)
  • 10-bit A/D Converter: 20 channels
  • 8-bit D/A Converter: 2
  • Comparator: 2 (shared with voltage monitor 1 and 2) + 2
  • LCD Drive Control Circuit
    • Bias: 1/2, 1/3, 1/4
    • Duty: Static, 1/2, 1/3, 1/4, 1/8
    • Common output: Max. 8 pins
    • Segment output: Max. 56 pins (when four common output pins are selected)
    • Voltage multiplier and dedicated regulator integrated.
  • DTC (Data Transfer Controller): 1 channel
  • Watchdog Timer
  • Clock Generating Circuits: XIN Clock Oscillation Circuit, On-chip Oscillator (High/Low Speed), XCIN Clock Oscillation Circuit
  • Oscillation Stop Detection
  • Voltage Detection Circuit
  • Power-On Reset
  • I/O Ports: 88 (incl. LED drive ports)
  • External Interrupt Pins: 16
  • Data Flash with Background Operation (BGO) function: 4KB (R8C/L3AA)

Please refer to Product Specifications for details on each function.

Key Applications:

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

Product Lineup:

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