The 7545 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/G13, RL78/L12 Group.

Key Features:

  • Basic machine-language instructions: 71
  • The minimum instruction execution time: 2 μs (at 4 MHz oscillationfrequency)
  • Memory size
    • ROM: 4K to 60K bytes
    • RAM: 512, 256 bytes
  • Programmable I/O ports: 25
  • Key-on wakeup input: 8 inputs
  • LED output port: 8
  • Interrupts: 7 sources, 7 vectors
  • Timers: 8-bit × 3
  • Carrier wave generating circuit: 1 channel (8-bit timer × 2)
  • Clock generating circuit: Built-in type (connect to external ceramicresonator or quartz-crystal oscillator)
  • Watchdog timer: 16-bit × 1
  • Power-on reset circuit: Built-in type
  • Voltage drop detection circuit: Built-in type
  • Power source voltage
    • XIN oscillation frequency at ceramic/quartz-crystal oscillation
      At 4 MHz: 1.8 to 3.6 V
  • Power dissipation: 1.8mW
  • Operating temperature range: –20 to 85 degrees C


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
Characteristics data Information on observed values. Please use this as reference data when developing your set.
Reference oscillator circuit constants Oscillator circuit constants provided for reference by Murata Manufacturing, Kyocera and Nihon Dempa Kogyo.

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