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H8SX/1668M

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Microcontrollers with 32-bit CISC CPU for System Control Applications

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Overview

The H8SX/1668R, H8SX/1668M Group is supported only for customers who have already adopted these products. The RX651 Group is recommended for new designs.

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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. (H8SX) Is it possible to set φ output pin as I/O port output pin?

    No. φ output pin cannot be set as I/O port output pin. (There is no alternative settings.)

    Dec 25, 2008
  2. Can H8SX operate with Vcc = 3.0 V?

    LVD enable of the Low Voltage Detection Control Register (LVDCR) of the LVD circuit is invalid at its initial value (LVDE = 0) so H8SX can operate at Vcc = 3.0 V. However, if the LVD circuit is enabled while Vcc = 3.0 V, Vdet is min value 3.0 V ...

    Apr 7, 2011
  3. If I access embedded ROM, is address signal output from address bus?

    No. If you access embedded ROM, embedded RAM or I/O register, the status of previous external access is kept.

    Dec 25, 2008
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