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Encyclopedia > MOS Technology 6508

The MOS Technology 6508 was an 8-bit microprocessor designed by MOS Technology. Based on the popular 6502, the 6508 was augmented with two additional features: an internal 8-bit digital I/O port, and 256 bytes of internal static RAM. 8-bit refers to the number of bits used in the data bus of a computer. ... Microprocessors, including an Intel 80486DX2 and an Intel 80386. ... MOS Technology, Inc. ... The MOS Technology 6502 is an 8-bit microprocessor designed by MOS Technology in 1975. ... A digital system is one that uses numbers, especially binary numbers, for input, processing, transmission, storage, or display, rather than a continuous spectrum of values (an analog system) or non-numeric symbols such as letters or icons. ... For more generic meanings of input/output port, see port (computing). ... This article refers to the unit of binary information. ... A six-transistor CMOS SRAM cell. ...


Memory layout

The internal RAM was mapped into the CPU address space both at $0000-$00FF and at $0100-$01FF, so it could serve as both zero page and stack space. The I/O port was available at location $0001, with a data-direction register at $0000, which was the same layout used on the 6510. The introduction to this article provides insufficient context for those unfamiliar with the subject matter. ... The zero page is the memory address page at the absolute beginning of a computers address space (the lowermost page, covered by the memory address range 0 . ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The MOS Technology 6510, also known as MOS Technology / Commodore Semiconductor Group (CSG) 8500, is a microprocessor designed by MOS Technology, and is a direct successor of the very successful 6502. ...


External links

MOS 6508 datasheet (GIF format, zipped)



65xx-series CPUs from MOS Technology, second source/clone vendors, and the Western Design Center

MOS 4510MOS 6501MOS 6502WDC 65C02Hudson HuC6280 ● Ricoh 2A03 ● MOS 6507MOS 6508
MOS 6509MOS 6510 (and 7501, 8500, 8501) ● MOS 8502WDC 65802WDC 65816 ● Ricoh 5A22 Image File history File links MOS_Technology. ... Image File history File links WDClogo_small. ... MOS Technology 65xx is a family of 8-bit microprocessors from MOS Technology, based on the Motorola 6800 (introduced ca. ... Intel 80486DX2 microprocessor in a ceramic PGA package A central processing unit (CPU), or sometimes simply processor, is the component in a digital computer that interprets instructions and processes data contained in software. ... MOS Technology, Inc. ... If you were looking for the Western Digital Corporation, see Western Digital. ... The MOS Technology 4510 was the MOS-manufactured microcomputer chip used in the (unreleased) Commodore 65 8-bit home/personal computer. ... The 6501 is an eight-bit microprocessor, the first sold by MOS Technology. ... The MOS Technology 6502 is an 8-bit microprocessor designed by MOS Technology in 1975. ... WDC 65C02 Microprocessor The WDC 65C02 8-bit CPU is an upgraded CMOS version of the popular and venerable MOS Technology 6502 microprocessor, the redesign being made by Bill Mensch of the Western Design Center (WDC). ... The HuC6280 8-bit microprocessor is Japanese company Hudson Softs improved version of the WDC 65C02 CPU. The most notable product using the HuC6280 is NECs TurboGrafx 16 video game console. ... The 6507 is an 8-bit microprocessor from MOS Technology, Inc. ... The MOS Technology 6509 was an enhanced version of the popular 6502 microprocessor, capable of addressing up to 1 megabyte of RAM via bank switching. ... The MOS Technology 6510, also known as MOS Technology / Commodore Semiconductor Group (CSG) 8500, is a microprocessor designed by MOS Technology, and is a direct successor of the very successful 6502. ... The MOS Technology 8502 was MOSs microprocessor used as one of the two¹ CPUs in the Commodore 128 home/personal computer. ... The WDC 65816 (also: 65C816), a 16-bit microprocessor CPU developed by the Western Design Center (WDC), is an expanded and compatible successor to the venerable MOS Technology 6502. ... The WDC 65816 (also: 65C816), a 16-bit microprocessor CPU developed by the Western Design Center (WDC), is an expanded and compatible successor to the venerable MOS Technology 6502. ...


  Results from FactBites:
 
NodeWorks - Encyclopedia: MOS Technology (1700 words)
MOS Technology, Inc., also known as Commodore Semiconductor Group, was a microprocessor and calculator company famous for its 6502 processor.
In addition, MOS had a secret weapon, the ability to "fix" their masks.² Masks are the large drawings of the chip that are photo-reduced to make the pattern from which chips are made – a process similar to photocopying.
MOS Technology 6501 – CPU pin-compatible with Motorola 6800
MOS Technologies (1517 words)
MOS Technologies, also known as Commodore Semiconductor Group, was a microprocessor and calculator company famous for its 6502 processor.
MOS was a small firm with good credentials in the right area (the east coast) so that was that.
MOS had learned the trick of fixing their masks after they were made.
  More results at FactBites »

 
 

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