The 4508 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/G10, RL78/G12 Group.

Main Solutions

Key Features:

  • Minimum instruction execution time: 0.5 μs
    (at 6 MHz oscillation frequency, in through-mode)
  • Supply voltage: 1.8 V to 5.5 V
    (It depends on operation source clock, oscillation frequency and operatingmode.)
  • Timers
    • Timer 1: 8-bit timer with two reload registers
    • Timer 2: 8-bit timer with two reload registers
  • Interrupt: 5 sources
  • Key-on wakeup function pins: 12
  • Input/Output port: 14
  • A/D converter: 10-bit successive comparison method, 4 channel
  • Serial interface: 8-bit × 1
  • Voltage drop detection circuit (only for H version)
    • Reset occurrence: Typ. 2.6 V (Ta = 25 degrees C)
    • Reset release: Typ. 2.7 V (Ta = 25 degrees C)
  • Power-on reset circuit (only for H version)
  • Watchdog timer
  • Clock generating circuit (on-chip oscillator/ceramic resonator/RCoscillation)
  • LED drive directly enabled (port D)


Below you will find information to support the development of your application.


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.


Hardware Design Support

Title Description
Reference oscillator circuit constants Oscillator circuit constants provided for reference by Murata Manufacturing, Kyocera and Nihon Dempa Kogyo.
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