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The Hitachi H8 Series of single-chip microcomputers consists of the H8/500 Series, the
H8/300H Series, the H8/300 Series, and the H8/300L Series. These series have the following
features.
H8/500:
Highly orthogonal instructions, with an instruction set geared for high level
languages
General register architecture
Up to 16-Mbyte address space
H8/300H:
16-Mbyte linear address space
16-bit general register architecture CPU that is upwardly compatible with the
H8/300 family.
Concise instruction set
Powerful word-size and longword size arithmetic instructions
H8/300:
Simple instruction (2- and 4-byte opcodes)
General register architecture
Concise instruction set
Power bit manipulation instructions
64-kbyte address space
H8/300L:
Same CPU as the H8/300 Series
On-chip support functions geared for consumer applications
Low-voltage/low-power operation
This overview document describes all the products in the H8/300L series, briefly presenting
their features, a functional overview, and the microcomputer development environment
system.
The H8/300L Series are built around the H8/300L CPU core, and provide on chip a wealth of
supporting functions for use in various application systems. These include ROM, RAM,
timers, 14-bit PWM, serial communication interfaces, A/D converters, I/O ports, vacuum
fluorescent display (VFD) controller/drivers, liquid crystal display (LCD) controller/
drivers, dual tone multi frequency (DTMF) generators, and multi-tone generators. These
peripheral modules support the implementation of compact multi-function applications.
3
Introduction
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