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Overview
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The H8/300H CPU is a high-speed central processing unit with an internal
32-bit architecture that is upwards-compatible with the H8/300 CPU. The H8/300H
CPU has sixteen 16-bit general registers, can address a 16-Mbyte linear address
space, and is ideal for real-time control.
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Examples of main applications
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Consumer: White goods (refrigerators, washers, dryers, cooking
ranges, etc.), appliances (vacuum cleaners, etc.), game pads, home
electronics
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Industrial: HVAC system, thermostats, controllers for small DC
brushless motors, stepper motors
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Office Automation: Mechanical control for fax machines, printers,
measurement devices
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Automotive: Control systems for power windows, windshield wiper
controls, keyless entry systems, side airbags
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Renesas MCU Selection Guide
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The H8/36109 Group is a high-end product in the H8/36049 Group
that is suitable for motor control, and the highest performance product in
the H8/Tiny Series.
This group offers increased ROM and RAM, and enhanced peripheral functions such
as a 5-channel a 16-bit timer and 16-channel A/D converter. In addition, the
reliability of the fail safe functions is improved by incorporating an
on-chip oscillator.
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The H8/36077 Group offers enhanced fail safe functions (oscillation stop
detection function: the watchdog timer starts operating after the reset state
is canceled) based on the H8/3687 Group. Peripheral functions match those of
the H8/3687 Group, including a 16-bit timer with two channels, a
two-channel asynchronous/synchronous serial interface, and a one-channel I²C
bus interface. This group can be used for to motor control thanks to the
added 2-channel 16-bit timer. Moreover, it can also be ued for
network-connected home appliances by employing the two-channel serial
communication interface and one-channel I²C bus interface.
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The H8/36087 Group provides high-speed operation (18 MHz) at 3 V and
is based on the H8/3687.
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The H8/36064 Group is a slim version of the H8/3687. The device has 32
kbytes on-chip single supply flash memory.
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The H8/36049 Group is a version of the existing H8/3687 Group, but with
enhanced peripheral functions and I/O, and is suitable for use in household
appliances with advanced functions, including indoor units of air conditioners
needing motor control, etc.
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The H8/36037 and H8/36057 Groups have an on-chip CAN (full CAN 2.0B)
interface for use in in-vehicle equipment such as door modules and airbags.
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The H8/36014 and H8/36024 Groups offer the high-speed H8/300H Tiny CPU core
with enhanced communication functions based on the H8/3672 Group and are
optimized to provide low-cost solutions for small communications networks in
applications such as fire and security systems.
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The H8/36912 and H8/36902 Groups are microcomputers with the lowest-capacity
(8 kbytes) and lowest pin count (32 pins) in the H8/300H Tiny lineup. With
enhanced timers, 10-bit A/D converter, asynchronous/synchronous serial
interface, I2C bus interface (H8/36912 only) and large- current ports, these
devices are suitable for applications including system control for small home
appliances and various sensors.
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The H8/36094 Group offers enhancement of fail safe functions (Oscillation
stop detection function, the watchdog timer starts operating at initial value.)
based on the H8/3694 Group. H8/36094 Group can be used for various purposes
from main microcomputer at small system to sub microcomputer at large system
because peripheral functions as H8/3694 Group include timer of four types, I2C
Bus Interface, Serial Communication Interface, 10 bit A/D converter.
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The H8/3694 Group is the successor to the H8/3664 Group. The maximum
frequency has been increased to 20 MHz at 5 V power supply, and
operability is highly enhanced by improvement of the I2C1 interface. Four types
of packages are available: a 64-pin LQFP (10 mm x 10 mm) and 64-pin QFP (14 mm
x 14 mm) having pin compatibility with the H8/3664 Group, plus two 48-pin LQFPs
(10 mm x 10 mm and 7 mm x 7 mm) which are newly introduced as part of this
group.
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The H8/3687 Group offers enhancement of the peripheral functions of the
H8/3664 and is optimized to achieve higher performance.
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The H8/3672 Group was developed for smaller, cost sensitive applications
which don't require all of the functions of the H8/3664.
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This group is supported only for the customers who have already adopted any
of the products. For new adoption, please consider H8/3694 Group, H8/36094
Group products.
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