Hitachi H8

H8 is the name of an big family of Microcontrôleur S 8-bit and 16-bit built by Renesas Technology Corp., whose origin goes back to the beginning of the Années 1990 at Hitachi and evolves/moves still today (2005).

The subfamilies HB are consisted of the H8/300 series, H8/300H, H8/500, and H8S, composed of tens of various parts, variable of speed, selection of the peripheral included such as Horloge S and ports series, and a large variety of ROMANIAN and RAM. The ROMANIAN generally has a size going from 16 KB to 128 KB, and the RAM of 512 bytes to 4 KB.

The basic architecture of H8 was modelled on that of DEC PDP-11, with eight registers 16-bit (the H8/300H and H8/S have an additional whole of eight registers), and a variety of modes of addressing. Several companies propose Compilateur S for the H8 family. There exists also a complete bearing of the environment GNU, including a Simulateur. emulator S materials are also available.

H8s can be found in the numerical cameras, the controllers of Imprimante, and various subsystems Automobile S. the advanced robot Lego Mindstorms (educational tool or toy) also uses this architecture (H8/300, to be exact).

The SuperH is designated as the successor 32-bit/64-bit RISC of the design of H8.

Related articles

External bonds

  • GNU Development Tools for the Renesas H8/300 [HS Series]

  • H8 Family and family H8SX on Internet site of Renesas

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