r4f2456 Renesas Electronics Corporation., r4f2456 Datasheet - Page 5

• Manufacturer Part Number: r4f2456
• Description: 16-bit Single-chip Microcomputer H8s Family / H8s/2400 Series
• Manufacturer: Renesas Electronics Corporation.

1. Objective and Target Users
This manual was written to explain the hardware functions and electrical characteristics of this
LSI to the target users, i.e. those who will be using this LSI in the design of application
systems. Target users are expected to understand the fundamentals of electrical circuits, logic
circuits, and microcomputers.
This manual is organized in the following items: an overview of the product, descriptions of
the CPU, system control functions, and peripheral functions, electrical characteristics of the
device, and usage notes.
The following documents have been prepared for the H8S/2456, H8S/2456R, H8S/2454
Group. Before using any of the documents, please visit our web site to verify that you have the
most up-to-date available version of the document.
Document Type
Data Sheet
Hardware Manual
Software Manual
Application Note
Renesas Technical
Update
When designing an application system that includes this LSI, take all points to note into
account. Points to note are given in their contexts and at the final part of each section, and
in the section giving usage notes.
The list of revisions is a summary of major points of revision or addition for earlier versions.
It does not cover all revised items. For details on the revised points, see the actual locations
in the manual.
Contents
Overview of hardware and electrical
characteristics
Hardware specifications (pin
assignments, memory maps,
peripheral specifications, electrical
characteristics, and timing charts)
and descriptions of operation
Detailed descriptions of the CPU
and instruction set
Examples of applications and
sample programs
Preliminary report on the
specifications of a product,
document, etc.
How to Use This Manual
Document Title

H8S/2456, H8S/2456R
H8S/2454 Group
Hardware Manual
H8S/2600 Series
H8S/2000 Series Software
Manual
The latest versions are available from our
web site.
Rev. 1.00 Sep. 19, 2008 Page v of xxx
Document No.

This manual
REJ09B0139