E-One BF3000 MPU Board Sample Circuit Diagram

This document provides the sample circuit diagram for an MPU board compatible with the Bug Finder BF3000, showing ROM, RAM, power and reset connections.

E-One BF3000 MPU Board Sample Circuit Diagram - cover page
Brand
EOne
Category
Other Electronics
Document type
Product Leaflet
Language
Japanese
Pages
1
File format
PDF
File size
96 KB
Published
23 February, 2012
Updated
29 September, 2026
MD5 checksum
296DB9B582B9A0359FBC4C8F8A63F84C
PDF
E-One BF3000 MPU Board Sample Circuit Diagram PDF

About this manual

The manual presents a complete schematic for a sample MPU board designed to work with the Bug Finder BF3000. It details the connections for the KL5C80A 16 microcontroller, ROM and RAM memory, power supplies, and the Bug Finder connector.

Important notes include optional backup power for RAM, selectable memory types, and connector pin usage. The document also warns that the circuit is a sample only and that designers must verify details against component datasheets. This manual is written in Japanese.

What's inside

  • MPU operation mode selection
  • Memory power selection
  • Memory type selection
  • Reset circuit
  • Bug Finder BF3000 connector
  • Backup power considerations
  • Component specifications

Specifications

MicrocontrollerKL5C80A 16
Memory size128K Byte (1M Bit) ROM and RAM
Maximum crystal frequency20 MHz

Frequently asked questions

What memory size is used in the sample MPU board?

Both program memory (ROM) and data memory (RAM) are 128 KB (1 Mbit) each.

Is a backup power circuit required for the RAM?

No, if RAM backup is not needed you can supply 5 V directly to the memory power pins.

Which connector is used for the Bug Finder BF3000 connection?

A 6‑pin Japanese crimp terminal (EH connector) is used, compatible with the supplied cable.

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