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H8SX/1658M

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Microcontrollers with 32-bit CISC CPU for System Control Applications

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Overview

The H8SX/1658R, H8SX/1658M Group is supported only for customers who have already adopted these products. The RX651 Group is recommended for new designs.

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ECAD Models

Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

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FAQs

  1. What causes IIC bus transfer rate master transmit/receive operation?

    The pull-up resistance of the board may be so high that the SCL rise time is over the limit for the IIC bus. This would trigger the bit synchronization circuit. Therefore, please revise your pull-up resistance to make SCL rise time, within the MCU's permissible current range ...

    Mar 19, 2008