The H8S/2378, 2378R Group is supported only for the customers who have already adopted any of the products. For new adoption, please consider other products such as RX651 Group.

Main Solutions

Key Features:

  • Operating frequency (MHz)/Supply voltage (V)
    • 33MHz/3.0V to 3.6V
      • Minimum instruction execution time: 30ns
  • On-chip memory
    • 512kB/32kB: H8S/2378BF, H8S/2378RF
    • 384kB/32kB: H8S/2374RF, H8S/2374F *
    • 384kB/24kB: H8S/2377F, H8S/2377RF
    • 256kB/32kB: H8S/2372RF, H8S/2372F *
    • 256kB/24kB: H8S/2371RF, H8S/2371F *
    • 256kB/16kB: H8S/2370F, H8S/2370RF
    • 256kB/16kB: H8S/2375, H8S/2375R
    • - /16kB: H8S/2373, H8S/2373R

Note:*Includes Synchronous DRAM support.

  • SCI×5ch(I2C×2ch option)
  • A/D×16ch, D/A×6ch
  • Internal SDRAM interface:
    • H8S/2378R 0.18μm F-ZTAT group *2
    • H8S/2377RF, H8S/2375R, H8S/2373R
  • On chip debugger(support E10A-USB)
    • H8S/2378 0.18μm F-ZTAT group *1
    • H8S/2378R 0.18μm F-ZTATgroup *2

    • Package (LQFP-144)


Package Code

FP-144H (PLQP0144KC-A)

(Only support H8S/2378 0.18μm F-ZTATgroup*1,
H8S/2378R 0.18μm F-ZTATgroup*2)


  • Note:*1 H8S/2378 0.18μm F-ZTAT group
    • H8S/2378BF, H8S/2374F, H8S/2372F, H8S/2371F, H8S/2370F
  • Note:*2 H8S/2378R 0.18μm F-ZTATgroup
    • H8S/2378RF, H8S/2374RF, 、H8S/2372RF, H8S/2371RF, H8S/2370RF
  • Note:H8S/2378 0.18μm F-ZTATgroup, H8S/2378R 0.18μm F-ZTATgroup haveterminals

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.

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