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H8/3687

Not Recommended for New Designs

Microcontrollers with a 32-bit H8/300H CPU core

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NOTICE - The following device(s) are recommended alternatives:
RL78/G14 - Low Power, High Function, General Purpose Microcontrollers for Motor Control, Industrial and Metering Applications

Overview

The H8/3687 Group is supported only for customers who have already adopted these products. The RL78/G14 Group is recommended for new designs.

Documentation

Design & Development

Software Downloads
Type Title Date
Software & Tools - Evaluation Software
[Evaluation Software] Flash Development Toolkit V.4.09 Release 03
Log in to Download ZIP 37.73 MB 日本語
Software & Tools - Other
E8a self-check program V.1.00.02
Log in to Download ZIP 116 KB 日本語
Software & Tools - Other
Install Manager Utility V.1.03.01 Upgrade
Log in to Download EXE 1.30 MB 日本語
Software & Tools - Other
Peripheral Driver Generator V.1.04 (for SH/Tiny, M16C/60, M16C/Tiny, R8C/1x, R8C/2x, H8S/Tiny, H8/300H Tiny Series)
Log in to Download EXE 27.21 MB 日本語
Software & Tools - Other
AutoUpdate Utility V.1.05.00 Upgrade
Log in to Download EXE 7.57 MB 日本語
5 items

Sample Code
Type
Title
Date
Sample Code
HEW Target Server (COM extension function) Sample Program
Log in to Download ZIP 5.64 MB 日本語 IDE: HEW
Sample Code
Tcl Sample Program
Log in to Download ZIP 17 KB 日本語
Sample Code
Tcl/Tk HEW Sample control program
Log in to Download ZIP 9 KB 日本語 IDE: HEW
Sample Code
Tk Sample Program
Log in to Download ZIP 14 KB 日本語
Sample Code
LIN (Local Interconnect Network) Application Note: Slave - Sample Code (rej06b0233)
Log in to Download ZIP 252 KB
Related Files:
Sample Code
Power-On Reset Operation using Reset IC - Sample Code
Log in to Download ZIP 252 KB 日本語
Related Files:
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6 items

ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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Support

Support Communities

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FAQs

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Support Communities

  1. H8/3687 and FDT, can I use it to program?

    I'm probably just making some dumb mistake, but I thought I should be able to program an H8/3687 using FDT. However, I can't find the H8/3687 in the list of targets and picking something that sounds generic doesn't work. Is it possible at ...

    Aug 20, 2010
  2. How to send command and receive data (H8/3687)?

    ... 3687 and Windows. I have a printed circuit board with the H8/3687. My goal is a system with temperature sensor passing the Analog Data to Digital or A/D Converter system.   Can someone please explain me how can using h8/3687 to do that? Thank you.

    May 25, 2017
  3. C99 in HEW with H8/3687

    Hello everybodyIt may be a stupid question; I am sorry for that. Why cant I select in the standard toolchain C/C++ options C99 as a selected language? I would like to take advantage of C99.Best Regards

    Dec 9, 2011
View All Results from Support Communities (11)

FAQs

  1. Reference Materials for Migration from H8 to RL78

    ... Interface 2 (IIC2) A/D Converter Band-Gap Regulator, Power-On Reset, and Low-Voltage Detection Circuits Power Supply Circuit Guide for migration from H8/3687 to RL78/G14 for each peripheral function I/O Ports Note Interrupts (Exception Handling) Note Clock Generator Note Timer RD ...

    Jan 19, 2021
  2. What is thermal resistance of each package?

    θja, the junction to case thermal resistance(not mounted on board), θja, the junction to ambient thermal resistance(mounted on board), and the junction to case thermal resistance, of each package are as follows. As thermal resistance varies depending on the lead frame material and die size, the data must ...

    Mar 25, 2009
  3. Can the priority of interrupts be changed?

    No, it can’t. Please control the enable timing of interrupts. Please refer to “Multi-Interrupt Operation with Internal Interrupts” of the application notes on H8/300H Tiny web site

    Jan 1, 1970
View All Results from FAQs (4)