Hitachi 4-Bit Single-Chip Microcomputers
HMCS43XX Family
HD404344R Series, HD404394 Series, HD404318 Series,
HD404358 Series, HD404358R Series, HD404339 Series,
HD404369 Series
Hardware Manual
ADE-602-081B
Rev.3.0
8/4/00
Hitachi, Ltd.
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.
List of Items Revised or Added for This Version
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Item
Timer Function Overview
18.2.1 Timer Mode Register B1 (TMB1:$009)
18.4 Interrupts
Table 25-21 Absolute Maximum Ratings
(HD404358 and HD404358R Series)
Table 25-25 AC Characteristics (HD404358 and
HD404358R Series)
B.2 I/O Registers (2)
$030—Data Control Register R0 DCR0
B.2 I/O Registers (2)
$038—Data Control Register R8 DCR8
Description
Prescaler W column amended
Note amended
Series name amended
Pin voltage HD404358 Series
Rated Value amended
Oscillator stabilization period
(crystal oscillator) Notes added
Series name amended
Series name amended
Preface
Introduction
The HMCS43XX Family of 4-bit microcomputers are built around the HMCS400 CPU core,
which has a powerful architecture designed for efficient programming. All of these
microcomputers include standard on-chip peripheral functions, including a multiple input channel
A/D converter, a serial interface, and multi-function timers.
The peripheral functions are developed individually as modules, and connected using a standard
interface.
This manual describes six product series in the HMCS43XX Family: the HD404344R,
HD404394, HD404318, HD404358, HD404358R, HD404339, and HD404369 series. The
products in these series form a fine-grained product line in which products are differentiated by
their memory capacities, medium and high voltage pins, high current pins, low power modes,
normal vs. high-speed versions, and other aspects. This allows an appropriate microcomputer to be
selected for a wide range of applications.
All members of the HMCS43XX Family are available in both ROM and PROM (ZTAT™)
versions. PROM versions can be programmed freely by the user with a general purpose PROM
writer.
Note: ZTAT™ is a registered trademark of Hitachi, Ltd.
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