H8/3004 Просмотр технического описания (PDF) - Renesas Electronics

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H8/3004

Microcomputer

Renesas Electronics 

Section 1 Overview

1.1 Overview

The H8/3004 and H8/3005 are microcontrollers (MCUs) that integrate system supporting

functions together with an H8/300H CPU core having an original Hitachi architecture.

The H8/300H CPU has a 32-bit internal architecture with sixteen 16-bit general registers, and a

concise, optimized instruction set designed for speed. It can address a 16-Mbyte linear address

space. Its instruction set is upward-compatible at the object-code level with the H8/300 CPU,

enabling easy porting of software from the H8/300 Series.

The on-chip system supporting functions include RAM, a 16-bit integrated timer unit (ITU), a

watchdog timer (WDT), a serial communication interface (SCI), an A/D converter, I/O ports, and

other facilities.

Two MCU operating modes—modes 1 and 3—offer a choice of address space size.

Table 1-1 summarizes the features of the H8/3004 and H8/3005.

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