The Motorola (“sixty-eight-oh-nine”) is an 8-bit microprocessor CPU with some bit There were also variants such as the 68A09(E) and 68B09(E); the internal letter . MC Datasheet; Motorola (Freescale); 36 pages; Z80H, A-2, B, 68B09 and the DSP processor, the AD CMOS, 5┬Ás 8-Bit Sampling ADC Data Sheet Submit feedback for this data sheet. EF68B09 datasheet EF68B09 component EF68B09 integrated circuit EF68B09 schematic EF68B09 application note F68B09 68B09 8B09 EF68B0 EF68B EF68 .

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There the MB was dubbed the Peachprobably in ironic reference to the popularity of the.

Motorola spun off its microprocessor division in Unlike contemporary processors that often used a microcoded architecture such as the and partly thethe ‘s internal design was more similar to early simple CPU designs and to some degree also the RISC machines that appeared in the mid s and onwards.

How do you know 68b09 datasheet Some Articles: It was used in unofficially-upgraded Tandy Color Computer 3 computers and a version of OS-9 was written to take advantages of the ‘s extra features: The is sometimes considered to be the conceptual precursor of the Motorola family of processors, though this is mostly a misunderstanding: TSC produced a Unix-like operating system uniFlex which ran only on such machines.

Motorola 6809

Thursday, December 2, How do you datadheet 68b09 datasheet. In fallQualcomm and NXP announced that they would merge. These controllers were used as the central processors in many of Motorola’s trunked two-way radio communications systems. By using this site, you agree to the Terms of Use and Privacy Policy. The design team believed that future system integrators would look to off-the-shelf code in ROMs to handle common tasks.


Williams also used the processor in many of its solid-state pinball machines; the CPU formed the core of the successful Williams Pinball Controller.

Like theit included an undocumented address bus test instruction that would exceed the limits of some memory controllers, evoking the nickname [. With little to improve, the marks the end of the evolution of Motorola’s 8-bit processors; Motorola intended that future 8-bit products would be based on an 8-bit data bus version of the the The E was used in thethe3 and 4 computers as an optional alternative to their standardthethe -made home computers clones of the CoCoand the,etc.

Just like the andthe uses a two-phase clock to gate the latches. As a comparison, the higher resolution state machine of a CPU like the Z80 allowed clock frequencies times as high with datasheey same speed memory chips, which was often the limiting factor. The was assembler source-compatible with thethough the had 78 instructions to the ‘s The had an internal two-phase 68b009 generator needing only an external crystal whereas the E needed an external clock generator.

The Motorola ” sixty-eight-oh-nine ” is an 8-bit microprocessor CPU with some bit features from Motorola.

68B09 – Arcade Chips

Newer Post Older Post Home. This is because the Z80 combines two full but short clock cycles into a relatively long memory access period compared to the clock, while the dtaasheet asynchronous instead has relatively short memory access times: Archived from the original on There were also variants such as the 68A09 E and 68B09 E ; the internal letter indicates the processor’s rated clock speed.

datashest Retrieved 2 April Simple instructions could therefore execute in as little as two or three such cycles, although this also means that these cycles must be pretty slow. Simpson; Raveendran Dataeheet Along with theit was also one of the first microprocessors to implement a hardware multiplication instruction, and it features full bit arithmetic and an especially fast interrupt system.


Some instructions were replaced by more general ones which the assembler translated into equivalent operations and some were even replaced by addressing modes.

The instruction set and register complement were highly orthogonalmaking the easier to program than 68b0 or A micro-controller version with a slightly modified instruction set, thewas discontinued as late as the second decade of the 21st century.

The Hitachi was an enhanced version of the with extra registers and additional instructions, including block move, additional multiply instructions and hardware-implemented division. Program counter relative addressing allowed for the easy creation of position-independent codewhile a user stack pointer U facilitated the creation of reentrant code. Among the significant enhancements introduced in the were the use of two 8-bit accumulators A and B, which could be combined into a single bit registerDtwo bit index registers X, Y and two bit stack pointers.

68b09 datasheet & applicatoin notes – Datasheet Archive

In addition to home computers and game consoles, the was also used in a number of arcade games released during the early to mids. Retrieved April 22, Views Read Edit View history. Archived copy as title Pages using deprecated image syntax All articles with unsourced statements Articles with unsourced statements from December Articles with unsourced statements from March All articles with specifically marked weasel-worded phrases Articles with specifically marked weasel-worded phrases from March