To all our customers
Regarding the change of names mentioned in the document, such as
Hitachi Electric and Hitachi XX, to Renesas Technology Corp.
The semiconductor operations of Mitsubishi Electric and Hitachi were
transferred to Renesas Technology Corporation on April 1st 2003.
These operations include microcomputer, logic, analog and discrete devices,
and memory chips other than DRAMs (flash memory, SRAMs etc.)
Accordingly, although Hitachi, Hitachi, Ltd., Hitachi Semiconductors,
and other Hitachi brand names are mentioned in the document, these names
have in fact all been changed to Renesas Technology Corp.
Thank you for your understanding. Except for our corporate trademark,
logo and corporate statement, no changes whatsoever have been made to the
contents of the document, and these changes do not constitute any alteration
to the contents of the document itself.
Renesas Technology Home Page: www.renesas.com
Renesas Technology Corp.
Customer Support Dept.
April 1, 2003
Renesas Technology Corp.
Hitachi Single-Chip Microcomputer
H8/3644 Series, H8/3644R Series
H8/3644, H8/3644R
HD6473644, HD6433644, HD6473644R, HD6433644R
H8/3643, H8/3643R
HD6433643, HD6433643R
H8/3642, H8/3642R
HD6433642, HD6433642R
H8/3641, H8/3641R
HD6433641, HD6433641R
H8/3640, H8/3640R
HD6433640, HD6433640R
H8/3644F-ZTAT
™
HD64F3644
H8/3643F-ZTAT
™
HD64F3643
H8/3642AF-ZTAT
™
HD64F3642A
Hardware Manual
ADE-602-087D
Rev. 5.0
3/1/99
Hitachi, Ltd.
MC-Setsu
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.
Preface
The H8/300L Series of single-chip microcomputers has the high-speed H8/300L CPU at its core,
with many necessary peripheral functions on-chip. The H8/300L CPU instruction set is compatible
with the H8/300 CPU.
The H8/3644 Series has a system-on-a-chip architecture that includes such peripheral functions as
a D/A converter, five timers, a 14-bit PWM, a two-channel serial communication interface, and an
A/D converter. This makes it ideal for use in advanced control systems.
This manual describes the hardware of the H8/3644 Series. For details on the H8/3644 Series
instruction set, refer to the H8/300L Series Programming Manual.
ii
Contents
Section 1
1.1
1.2
1.3
Overview
...........................................................................................................
Overview............................................................................................................................
Internal Block Diagram .....................................................................................................
Pin Arrangement and Functions ........................................................................................
1.3.1 Pin Arrangement ..................................................................................................
1.3.2 Pin Functions........................................................................................................
1
1
6
7
7
10
Section 2
2.1
CPU
..................................................................................................................... 15
15
15
16
16
17
17
17
19
19
20
21
22
22
24
28
30
32
33
33
35
39
41
42
44
44
45
46
46
48
48
48
i
2.2
2.3
2.4
2.5
2.6
2.7
Overview............................................................................................................................
2.1.1 Features ................................................................................................................
2.1.2 Address Space ......................................................................................................
2.1.3 Register Configuration .........................................................................................
Register Descriptions.........................................................................................................
2.2.1 General Registers..................................................................................................
2.2.2 Control Registers..................................................................................................
2.2.3 Initial Register Values ..........................................................................................
Data Formats......................................................................................................................
2.3.1 Data Formats in General Registers.......................................................................
2.3.2 Memory Data Formats..........................................................................................
Addressing Modes .............................................................................................................
2.4.1 Addressing Modes................................................................................................
2.4.2 Effective Address Calculation..............................................................................
Instruction Set....................................................................................................................
2.5.1 Data Transfer Instructions ....................................................................................
2.5.2 Arithmetic Operations ..........................................................................................
2.5.3 Logic Operations ..................................................................................................
2.5.4 Shift Operations....................................................................................................
2.5.5 Bit Manipulations .................................................................................................
2.5.6 Branching Instructions..........................................................................................
2.5.7 System Control Instructions .................................................................................
2.5.8 Block Data Transfer Instruction ...........................................................................
Basic Operational Timing..................................................................................................
2.6.1 Access to On-Chip Memory (RAM, ROM) .........................................................
2.6.2 Access to On-Chip Peripheral Modules ...............................................................
CPU States .........................................................................................................................
2.7.1 Overview ..............................................................................................................
2.7.2 Program Execution State ......................................................................................
2.7.3 Program Halt State ...............................................................................................
2.7.4 Exception-Handling State ....................................................................................
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