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

Mar 10, 2025 · The Motorola 6809 was produced in two versions - with on-chip clock (6809) and with external clock input (6809E).

Feb 14, 2020 · Microware developed the OS-9 real-time, multi-user, multitasking operating system designed specifically for the Motorola 6809 processor. The capabilities of this operating …

Nov 10, 2022 · Among old CPUs, the 6809 never got as much attention as some of its cousins. The Radio Shack CoCo used it and so did a construction article in Wireless World Magazine.

Mar 17, 2025 · The Motorola 6809 (P/N 156-1494-00,156-1494-01) is an 8-bit microprocessor monolithic integrated circuit introduced in 1978. The 6809 is only compatible to its predecessor …

This document provides information on addressing modes and instructions for the Motorola 6809 and 6309 microprocessors. It lists the instruction mnemonics, their addressing modes, and …

These instructions use any one of three of the MC6809 addressing modes: direct, extended, or indexed. The load instructions may also use the immediate mode. These instructions are used …

Jameco Electronics 6809E Microprocessors. Products in stock and ready to ship. Quotes, samples and datasheets available at Jameco Electronics.

The Motorola 6809 is an 8-bit (with some 16-bit features) microprocessor CPU from Motorola, designed by Terry Ritter and Joel Boney and introduced 1978. It was a major advance over …

Oct 14, 2016 · With the 1978 introduction of the 6809, Motorola streamlined the 6800’s instruction set and added some 16-bit features, making it a big step forward from the 6800. Another …