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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In fallQualcomm and NXP announced that they would merge.

Retrieved from ” https: Motorola spun off its microprocessor division in The index and stack registers allowed advanced addressing modes. An example of standard ROM code might be binary daatasheet point arithmetic, which is a common requirement in many systems.

Motorola-Freescale-NXP processors and microcontrollers.

(PDF) EF68B09 Datasheet download

Like most 8-bit microprocessors, the implementation could in large parts be viewed as a register-transfer level RTL machine, using a central PLA less combinational logic to implement much of the instruction decoding as well as parts of the sequencing.

It was a major advance over both its datasneet, the Motorolaand the related MOS Technology 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 more asynchronous instead has relatively short memory daasheet times: Just like the andthe uses a two-phase clock to gate the latches.

As of spring the planned merger had yet to occur, [5] and in Julythe Chinese merger authority did not approve the acquisition before the deadline set by Qualcomm; it was effectively canceled on 26 July In addition to home computers and game consoles, the was also used in a number of arcade games released during the early to mids.

Advanced 8-bit Microprocessor, MC Unlike the andthe allowed fully position-independent code and fully reentrant code in a simple and straightforward way, without using difficult programming tricks. Among the systems to use the are the Dragon home computers, TRS Datasbeet Computerthe Vectrex home console, and early s arcade machines including DefenderRobotron: From Wikipedia, the free encyclopedia. Newer Post Older Post Home.

68b09 datasheet

Williams Electronics was an especially prolific user of the processor, which was deployed in arcade hits such as DefenderJoustSinistarand Robotron: The division changed its name to Freescale and has subsequently been acquired by NXP. In order to speed time to market, common code modules would datashee purchased, rather than developed in-house, and integrated into systems with code from other manufacturers.


The CPU was also used in traffic signal controllers made in datashfet s by several different manufacturers. 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. For yet another example, Motorola’s official programming manual [3] contains the full listing of assist09a so-called monitora miniature operating system intended to be burned in ROM.

Like the dafasheet, the included an undocumented address bus test instruction which came to be nicknamed Halt and Catch Fire HCF. The Motorola ” sixty-eight-oh-nine ” is an 8-bit microprocessor CPU with some bit features from Motorola. As a comparison, the higher resolution state machine of a CPU like the Z80 allowed clock frequencies times as high with the same speed memory chips, which was often the limiting factor.

OS-9 Level II, also took advantage of such memory management facilities. Simpson; Raveendran Paramesran Since the programmer of a common code module could hardly guarantee where this code would be located in a future system, the design focused heavily on support of satasheet code that can be freely located anywhere in the memory map without modification.

Since a CPU designer could hardly guarantee where this code would be located in a future system, the design focused heavily on support ofcode that could be freely located anywhere in the memory map. The was assembler source-compatible with thethough the had 78 instructions to the ‘s Faster versions were produced later by Hitachi. Hitachi produced its own based machines, the MB and later the S1. This two phase clock cycle is used as a full machine cycle in these processors.

68B09 Datasheet, PDF – Alldatasheet

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. These controllers were used as the central processors in many of Motorola’s trunked two-way radio communications systems. The latter used the E as their main CPU.


It was a major advance over both its catasheet, theand the related. 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. However, there is a certain amount of design philosophy similarity e.

How do you know 68b09 datasheet Some Articles: Williams also used the processor in many of its solid-state pinball machines; the CPU formed the core of the successful Williams Pinball Controller. It was designed by Terry Ritter and Joel Boney and introduced in The had an internal two-phase clock generator needing only an external crystal whereas the E needed an external clock generator.

Datasbeet micro-controller version with a slightly modified instruction set, thewas discontinued as late as the second decade of the 21st century. 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 However, the decisions made by the design team made for a very powerful processor and made possible advanced operating systems like andwhich took advantage of the position-independent, re-entrant nature of the to create multi-user multitasking operating systems.

However, there is a certain amount of design philosophy similarity e. Program counter relative addressing allowed for the easy creation of position-independent codewhile a user stack pointer U facilitated the creation of reentrant code. Posted by Wywydyluva at 3: 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 Some opcodes also live on in the Freescale embedded processors.

It was similar in this to machines produced by, and several other suppliers. Like theit included an undocumented address bus test instruction that would exceed the limits of some memory controllers, evoking the nickname dataasheet. Retrieved April 22,