Preface
The H8/3004 and H8/3005 are high-performance single-chip microcontrollers that integrate
system supporting functions together with an H8/300H CPU core.
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.
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 operating modes offer a choice of address space size.
This manual describes the H8/3004 and H8/3005 hardware. For details of the instruction set, refer
to the H8/300H Programming Manual.