Product category:
Microprocessors, Microcontrollers and DSPs
News Release from: Hitachi Europe | Subject: H8S/2282F
Edited by the Electronicstalk Editorial
Team on 02 December 2002
Controller squeezes in features behind
the dash
The latest 16bit single-chip microcontroller from Hitachi features a stepping motor control timer, liquid crystal display controller and CAN interface.
The latest 16bit single-chip microcontroller from Hitachi features a stepping motor control timer, liquid crystal display (LCD) controller and Controller Area Network (CAN) interface The H8S/2282F has a low (100-pin) pin count and enables the rapid development of small, low-cost automotive dashboard (instrument panel) systems and vehicle body control applications
This article was originally published on Electronicstalk on 16 Feb 2001 at 8.00am (UK)
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The H8S/2282F employs a 0.35um process and incorporates a high-end H8S/2000 CPU core enabling it to achieve a minimum instruction execution time of 50ns (at a 20MHz operating frequency).
The microcontroller features 128Kbyte of on-chip flexible zero turn-around time (F-ZTAT) Flash memory and uses a single power supply for data writing and erasing.
A frequency division function enables 32kHz oscillation to be obtained from the main clock (single crystal), ensuring accurate timing throughout the temperature range.
An Hitachi Controller Area Network (HCAN) on the device allows data buffer storage of 16 messages and achieves a maximum communication speed of 1Mbit/s.
A CANbus wake-up function is provided to wake up the microcontroller during standby mode.
This is an essential feature for automotive systems.
The new device also features a motor control pulsewidth modulation (PWM) timer.
This has built-in drivers which offer direct drive of the stepping motors controlling the speedometer, tachometer, fuel gauge and water temperature indicator.
The 28 x 4 LCD used to indicate trip distance can also be directly driven, eliminating the need for external power drivers.
All these functions are incorporated in a compact 100-pin quad flatpack (QFP), helping to reduce the size of dashboard systems for which only a limited mounting area is available.
The 0.65mm pin pitch enables a low-cost, single-layer printed circuit board to be used.
Hitachi's existing H8S Series C compiler, assembler, linkage editor, librarian, simulator, debugger etc, are available for use as a software development environment.
The E6000 real-time emulator can be used as hardware development environment for the device.
Sample shipments of the H8S/2282F will begin in Q4 2002.
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