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RDK RL78/G13 Reference Guide

Last Updated: 06/26/2016


What is the purpose of the RDKRL78G13 Demonstration Kit? What features does it have?


The RDKRL78G13 Demonstration Kit features the RL78 series 16-bit MCU, which achieves reduced system power consumption overall, and supports multifunctional consumer and industrial applications without requiring additional external components.

Key Features:

  • Minimum  instruction execution time can be changed from high speed (0.03125 µs: @  32 MHz operation with highspeed system clock) to ultra low-speed (30.5  µs: @ 32.768 kHz operation with subsystem clock)

  • General-purpose register: 8 bits x 32 registers (8 bits x 8 registers x 4 banks)

  • 32 MHz internal high-speed oscillation clock: 32 MHz (TYP.)

  • On-chip single-power-supply flash memory (with prohibition of chip erase/block erase/writing function)

  • Self-programming (with boot swap function/flash shield window function)

  • On-chip debug function

  • On-chip power-on-reset (POR) circuit and voltage detector (LVD)

  • On-chip watchdog timer (operable with the on-chip internal low-speed oscillation clock)

  • On-chip multiplier/divider/multiply-accumulator

  • On-chip key interrupt function

  • On-chip clock output/buzzer output controller

  • On-chip BCD adjustment

  • Timer

    • 16-bit timer

    • Watchdog timer

    • Realtime counter

    • Interval timer

  • Serial interfaceStanby function (HALT, STOP, and SNOOZE)

    • CSI

    • UART (LIN-bus supported)

    • I2C/simplified I2C

  • 8/10-bit resolution A/D converter



RL78G13 page on Renesas.com - This is the official RL78G13 series page on the Renesas website.

RL78G13 Hardware Manual - This is the hardware manual for all of the RL78G13 models.

RL78 Forum - This is the discussion forum for the RL78 Series MCU's.

RL78G13 RDK landing page on Renesas.com - This is the official RL78G13 Demonstration Kit page on the Renesas website.


Partner Software Offerings:

Most of our Partners are offering trial versions of their software. The links below will take you to these products.

  • IAR Systems RL78 Tools - IAR will provide a free license for their IDE and Compiler for either 30 days (full package) or an unlimited time with a 16kB limit.

Note: Many of our partners are finishing stacks and other code. Check back often for updates