The R8C/LA6A Group is supported only for the customers who have already adopted any of the products. For new adoption, please consider other products such as RL78/L12, RL78/L13 Group.

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 and RJ1): 2
  • UART/Clock Synchronous Serial Interface: 2 channels
  • I2C-bus Interface/Synchronous Serial Communication Unit: 1 channel
  • 10-bit A/D Converter: 8 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. 32 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, Power-Off Mode
  • Oscillation Stop Detection
  • Voltage Detection Circuit
  • Power-on Reset Circuit
  • I/O Ports: 56 (incl. LED drive ports)
  • External Interrupt Pins: 16

Below you will find information to support the development of your application.
You can find an explanation of orderable part numbers here.


Resources for Software and Hardware

Title Description
My Renesas Create a My Renesas account to use our tool download services, receive e-newsletter/update notifications, and take advantage of our other services.
e-learning Information for studying and learning about microcontrollers and microprocessors.
FAQ Frequently asked questions and useful hints for development.
Forum A forum and community site to share technical information, questions and opinions with others who use Renesas products.
Video Watch videos related to this product.


Software Design Support

Title Description
E1 A standard Renesas on-chip debugging emulator that enables users to carry out ample debugging for real development at low cost. (Also included with starter kits.)
E8a E8a is ideal for the modern development and prototyping environment with programming support for devices from all the main MCU families.


Hardware Design Support

Title Description
Reference oscillator circuit constants The resonators for which the operation is verified and their oscillator constants are shown below.
You can filter the sample codes and application notes that are displayed using the below filters.

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