Cautions
1. Hitachi neither warrants nor grants licenses of any rights of Hitachi’s or any third party’s
patent, copyright, trademark, or other intellectual property rights for information contained in
this document. Hitachi bears no responsibility for problems that may arise with third party’s
rights, including intellectual property rights, in connection with use of the information
contained in this document.
2. Products and product specifications may be subject to change without notice. Confirm that you
have received the latest product standards or specifications before final design, purchase or
use.
3. Hitachi makes every attempt to ensure that its products are of high quality and reliability.
However, contact Hitachi’s sales office before using the product in an application that
demands especially high quality and reliability or where its failure or malfunction may directly
threaten human life or cause risk of bodily injury, such as aerospace, aeronautics, nuclear
power, combustion control, transportation, traffic, safety equipment or medical equipment for
life support.
4. Design your application so that the product is used within the ranges guaranteed by Hitachi
particularly for maximum rating, operating supply voltage range, heat radiation characteristics,
installation conditions and other characteristics. Hitachi bears no responsibility for failure or
damage when used beyond the guaranteed ranges. Even within the guaranteed ranges,
consider normally foreseeable failure rates or failure modes in semiconductor devices and
employ systemic measures such as fail-safes, so that the equipment incorporating Hitachi
product does not cause bodily injury, fire or other consequential damage due to operation of
the Hitachi product.
5. This product is not designed to be radiation resistant.
6. No one is permitted to reproduce or duplicate, in any form, the whole or part of this document
without written approval from Hitachi.
7. Contact Hitachi’s sales office for any questions regarding this document or Hitachi
semiconductor products.
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Preface
The H8/3694 Series is a single-chip microcomputer made up of the high-speed H8/300H CPU as
its core, and the peripheral functions required to configure a system. The H8/300H CPU has an
instruction set that is compatible with the H8/300 CPU.
Target Users: This manual was written for users who will be using the H8/3694 Series in the
design of application systems. Target users are expected to understand the
fundamentals of electrical circuits, logical circuits, and microcomputers.
Objective:
This manual was written to explain the hardware functions and electrical
characteristics of the H8/3694 Series to the target users.
Refer to the H8/300H Series Programming Manual for a detailed description of the
instruction set.
Notes on reading this manual:
•
In order to understand the overall functions of the chip
Read the manual according to the contents. This manual can be roughly categorized into parts
on the CPU, system control functions, peripheral functions and electrical characteristics.
•
In order to understand the details of the CPU's functions
Read the H8/300H Series Programming Manual.
•
In order to understand the details of a register when its name is known
Read the index that is the final part of the manual to find the page number of the entry on the
register. The addresses, bits, and initial values of the registers are summarized in section 19,
Internal I/O Registers.
Example:
Related Manuals:
Bit order:
The MSB is on the left and the LSB is on the right.
The latest versions of all related manuals are available from our web site.
Please ensure you have the latest versions of all documents you require.
http://www.hitachi.co.jp/Sicd/English/Products/micome.htm
Notes:
When using on-chip emulator (E10T) for H8/3694 program development and debugging, the
following restrictions must be noted.
1. The
NMI
pin is reserved for the E10T, and cannot be used.
2. Pins P85, P86, and P87 cannot be used. (In order to use these pins, additional hardware
must be provided on the user board.)
3. Area H’7000 to H’7FFF is used by the E10T, and is not available to the user.
4. Area H’F780 to H’FB7F must on no account be accessed.
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