Motorola M6800 microcomputer ad April 1975

The M6800 Microcomputer System (latter dubbed the Motorola 6800 family, M6800 family, or 68xx) was a series of

8-bit In computer architecture, 8-bit integers or other data units are those that are 8 bits wide (1 octet). Also, 8-bit central processing unit (CPU) and arithmetic logic unit (ALU) architectures are those that are based on registers or data buses ...

microprocessor A microprocessor is a computer processor where the data processing logic and control is included on a single integrated circuit, or a small number of integrated circuits. The microprocessor contains the arithmetic, logic, and control circ ...

s and

microcontroller A microcontroller (MCU for ''microcontroller unit'', often also MC, UC, or μC) is a small computer on a single VLSI integrated circuit (IC) chip. A microcontroller contains one or more CPUs ( processor cores) along with memory and programmabl ...

s from

Motorola Motorola, Inc. () was an American multinational telecommunications company based in Schaumburg, Illinois, United States. After having lost $4.3 billion from 2007 to 2009, the company split into two independent public companies, Motorola ...

that began with the 6800

CPU A central processing unit (CPU), also called a central processor, main processor or just processor, is the electronic circuitry that executes instructions comprising a computer program. The CPU performs basic arithmetic, logic, controlling, a ...

. The architecture also inspired the

MOS Technology 6502 The MOS Technology 6502 (typically pronounced "sixty-five-oh-two" or "six-five-oh-two") William Mensch and the moderator both pronounce the 6502 microprocessor as ''"sixty-five-oh-two"''. is an 8-bit microprocessor that was designed by a small te ...

, and that company started in the microprocessor business producing 6800 replacements. The chips primarily competed against

Intel Intel Corporation is an American multinational corporation and technology company headquartered in Santa Clara, California. It is the world's largest semiconductor chip manufacturer by revenue, and is one of the developers of the x86 ser ...

's 8-bit family of chips (such as the 8080, or their relations, the Zilog Z80 range). * Motorola 6800 *

Motorola 6801 The M6800 Microcomputer System (latter dubbed the Motorola 6800 family, M6800 family, or 68xx) was a series of 8-bit microprocessors and microcontrollers from Motorola that began with the 6800 CPU. The architecture also inspired the MOS Technology ...

(includes RAM and ROM)http://datasheets.chipdb.org/Motorola/mc6801_3.pdf * Motorola 6802 (includes RAM and an internal clock oscillator) * Motorola 6803 (includes RAM) * Motorola 6805 *

Motorola 6808 The 6800 ("''sixty-eight hundred''") is an 8-bit computing, 8-bit microprocessor designed and first manufactured by Motorola in 1974. The MC6800 microprocessor was part of the Motorola 6800 family, M6800 Microcomputer System (latter dubbed ''68xx' ...

(6802 that had failed production test of its internal RAM; Its RAM enable pin was designated GND) *

Motorola 6809 The Motorola 6809 ("''sixty-eight-oh-nine''") is an 8-bit computing, 8-bit microprocessor with some 16-bit computing, 16-bit features. It was designed by Motorola's Terry Ritter and Joel Boney and introduced in 1978. Although source compatible wi ...

* Hitachi 6301 used in the Psion Organiser I * Hitachi HD6303 used in the Psion Organiser II * Hitachi 6309 *

Motorola 68HC05 The 68HC05 (HC05 in short) is a broad family of 8-bit microcontrollers from Freescale Semiconductor (formerly Motorola Semiconductor). Like all Motorola processors that share lineage from the 6800, they use the von Neumann architecture as well ...

* Freescale 68HC08 *

Freescale 68HC11 The 68HC11 (6811 or HC11 for short) is an 8-bit microcontroller (µC) family introduced by Motorola in 1984. Now produced by NXP Semiconductors, it descended from the Motorola 6800 microprocessor by way of the 6801. The 68HC11 devices are mo ...

* Freescale 68HC12 (16-bit) * Motorola 68HC16 (16-bit)

References

{{microcompu-stub Motorola microprocessors

See also

References