To our customers,
Old Company Name in Catalogs and Other Documents
On April 1
st
, 2010, NEC Electronics Corporation merged with Renesas Technology
Corporation, and Renesas
Electronics Corporation
took over all the business of both
companies.
Therefore, although the old company name remains in this document, it is a valid
Renesas
Electronics document. We appreciate your understanding.
Renesas Electronics website:
http://www.renesas.com
April 1
st
, 2010
Renesas Electronics Corporation
Issued by:
Renesas Electronics Corporation
(http://www.renesas.com)
Send any inquiries to
http://www.renesas.com/inquiry.
Notice
1.
All information included in this document is current as of the date this document is issued. Such information, however, is
subject to change without any prior notice. Before purchasing or using any Renesas Electronics products listed herein, please
confirm the latest product information with a Renesas Electronics sales office. Also, please pay regular and careful attention to
additional and different information to be disclosed by Renesas Electronics such as that disclosed through our website.
Renesas Electronics does not assume any liability for infringement of patents, copyrights, or other intellectual property rights
of third parties by or arising from the use of Renesas Electronics products or technical information described in this document.
No license, express, implied or otherwise, is granted hereby under any patents, copyrights or other intellectual property rights
of Renesas Electronics or others.
You should not alter, modify, copy, or otherwise misappropriate any Renesas Electronics product, whether in whole or in part.
Descriptions of circuits, software and other related information in this document are provided only to illustrate the operation of
semiconductor products and application examples. You are fully responsible for the incorporation of these circuits, software,
and information in the design of your equipment. Renesas Electronics assumes no responsibility for any losses incurred by
you or third parties arising from the use of these circuits, software, or information.
When exporting the products or technology described in this document, you should comply with the applicable export control
laws and regulations and follow the procedures required by such laws and regulations. You should not use Renesas
Electronics products or the technology described in this document for any purpose relating to military applications or use by
the military, including but not limited to the development of weapons of mass destruction. Renesas Electronics products and
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under any applicable domestic or foreign laws or regulations.
Renesas Electronics has used reasonable care in preparing the information included in this document, but Renesas Electronics
does not warrant that such information is error free. Renesas Electronics assumes no liability whatsoever for any damages
incurred by you resulting from errors in or omissions from the information included herein.
Renesas Electronics products are classified according to the following three quality grades: “Standard”, “High Quality”, and
“Specific”. The recommended applications for each Renesas Electronics product depends on the product’s quality grade, as
indicated below. You must check the quality grade of each Renesas Electronics product before using it in a particular
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Computers; office equipment; communications equipment; test and measurement equipment; audio and visual
equipment; home electronic appliances; machine tools; personal electronic equipment; and industrial robots.
“High Quality”: Transportation equipment (automobiles, trains, ships, etc.); traffic control systems; anti-disaster systems; anti-
crime systems; safety equipment; and medical equipment not specifically designed for life support.
“Specific”:
Aircraft; aerospace equipment; submersible repeaters; nuclear reactor control systems; medical equipment or
systems for life support (e.g. artificial life support devices or systems), surgical implantations, or healthcare
intervention (e.g. excision, etc.), and any other applications or purposes that pose a direct threat to human life.
You should use the Renesas Electronics products described in this document within the range specified by Renesas Electronics,
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damages arising out of the use of Renesas Electronics products beyond such specified ranges.
Although Renesas Electronics endeavors to improve the quality and reliability of its products, semiconductor products have
specific characteristics such as the occurrence of failure at a certain rate and malfunctions under certain use conditions. Further,
Renesas Electronics products are not subject to radiation resistance design. Please be sure to implement safety measures to
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Electronics.
Please contact a Renesas Electronics sales office if you have any questions regarding the information contained in this
document or Renesas Electronics products, or if you have any other inquiries.
“Standard”:
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
(Note 1) “Renesas Electronics” as used in this document means Renesas Electronics Corporation and also includes its majority-
owned subsidiaries.
(Note 2) “Renesas Electronics product(s)” means any product developed or manufactured by or for Renesas Electronics.
User’s Manual
The revision list can be viewed directly by
clicking the title page.
The revision list summarizes the locations of
revisions and additions. Details should always
be checked by referring to the relevant text.
8
H8/3847R Group, H8/3847S Group,
H8/38347 Group, H8/38447 Group
Hardware Manual
Renesas 8-Bit Single-Chip Microcomputer
H8 Family/H8/300L Super Low Power Series
H8/3847R Group H8/3842R
H8/3843R
H8/3844R
H8/3845R
H8/3846R
H8/3847R
H8/3847S Group H8/3844S
H8/3845S
H8/3846S
H8/3847S
H8/38347 Group H8/38342
H8/38343
H8/38344
H8/38345
H8/38346
H8/38347
H8/38447 Group H8/38442
H8/38443
H8/38444
H8/38445
H8/38446
H8/38447
Rev.6.00 2006.08
Keep safety first in your circuit designs!
1. Renesas Technology Corp. puts the maximum effort into making semiconductor products better and
more reliable, but there is always the possibility that trouble may occur with them. Trouble with
semiconductors may lead to personal injury, fire or property damage.
Remember to give due consideration to safety when making your circuit designs, with appropriate
measures such as (i) placement of substitutive, auxiliary circuits, (ii) use of nonflammable material or
(iii) prevention against any malfunction or mishap.
Notes regarding these materials
1. These materials are intended as a reference to assist our customers in the selection of the Renesas
Technology Corp. product best suited to the customer's application; they do not convey any license
under any intellectual property rights, or any other rights, belonging to Renesas Technology Corp. or
a third party.
2. Renesas Technology Corp. assumes no responsibility for any damage, or infringement of any third-
party's rights, originating in the use of any product data, diagrams, charts, programs, algorithms, or
circuit application examples contained in these materials.
3. All information contained in these materials, including product data, diagrams, charts, programs and
algorithms represents information on products at the time of publication of these materials, and are
subject to change by Renesas Technology Corp. without notice due to product improvements or
other reasons. It is therefore recommended that customers contact Renesas Technology Corp. or
an authorized Renesas Technology Corp. product distributor for the latest product information
before purchasing a product listed herein.
The information described here may contain technical inaccuracies or typographical errors.
Renesas Technology Corp. assumes no responsibility for any damage, liability, or other loss rising
from these inaccuracies or errors.
Please also pay attention to information published by Renesas Technology Corp. by various means,
including the Renesas Technology Corp. Semiconductor home page (http://www.renesas.com).
4. When using any or all of the information contained in these materials, including product data,
diagrams, charts, programs, and algorithms, please be sure to evaluate all information as a total
system before making a final decision on the applicability of the information and products. Renesas
Technology Corp. assumes no responsibility for any damage, liability or other loss resulting from the
information contained herein.
5. Renesas Technology Corp. semiconductors are not designed or manufactured for use in a device or
system that is used under circumstances in which human life is potentially at stake. Please contact
Renesas Technology Corp. or an authorized Renesas Technology Corp. product distributor when
considering the use of a product contained herein for any specific purposes, such as apparatus or
systems for transportation, vehicular, medical, aerospace, nuclear, or undersea repeater use.
6. The prior written approval of Renesas Technology Corp. is necessary to reprint or reproduce in
whole or in part these materials.
7. If these products or technologies are subject to the Japanese export control restrictions, they must
be exported under a license from the Japanese government and cannot be imported into a country
other than the approved destination.
Any diversion or reexport contrary to the export control laws and regulations of Japan and/or the
country of destination is prohibited.
8. Please contact Renesas Technology Corp. for further details on these materials or the products
contained therein.
Rev. 6.00 Aug 04, 2006 page ii of xxxvi
Preface
The H8/3847R Group, H8/3847S Group, H8/38347 Group, and H8/38447 Group are a high-
performance single-chip microcomputers that integrate peripheral functions necessary for system
configuration with an H8/300L CPU core.
The on-chip peripheral functions include ROM, RAM, six timers, 14-bit PWM, a serial
communication interface (SCI), an A/D converter, LCD controller/driver, and I/O ports, providing
an ideal configuration as a microcomputer for embedding in sophisticated control systems. PROM
(ZTAT™*
1
), Flash memory (F-ZTAT™*
2
) and mask ROM are available as on-chip ROM,
enabling users to respond quickly and flexibly to changing application specifications and the
demands of the transition from initial to full-fledged volume production.
Notes: 1. ZTAT is a trademark of Renesas Technology Corp.
2. F-ZTAT is a trademark of Renesas Technology Corp.
Intended Readership: This manual is intended for users undertaking the design of an application
system using the H8/3847R Group, H8/3847S Group, H8/38347 Group, and
H8/38447 Group. Readers using this manual require a basic knowledge of
electrical circuits, logic circuits, and microcomputers.
Purpose:
The purpose of this manual is to give users an understanding of the hardware
functions and electrical characteristics of the H8/3847R Group, H8/3847S
Group, H8/38347 Group, and H8/38447 Group. Details of execution
instructions can be found in the H8/300L Series Programming Manual,
which should be read in conjunction with the present manual.
Using this Manual:
•
For an overall understanding of the H8/3847R Group, H8/3847S Group, H8/38347 Group,
H8/38447 Group’s functions
Follow the Table of Contents. This manual is broadly divided into sections on the CPU, system
control functions, peripheral functions, and electrical characteristics.
•
For a detailed understanding of CPU functions
Refer to the separate publication H8/300L Series Programming Manual.
Note on bit notation:
Bits are shown in high-to-low order from left to right.
Rev. 6.00 Aug 04, 2006 page iii of xxxvi
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