68k: Difference between revisions

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[[File:aes_68k.jpg|right|thumb|68000 CPU made by Toshiba in DIP package, found in an AES system.]]
[[File:aes_68k.jpg|right|thumb|68000 CPU made by Toshiba in SDIP package, as found on AES and some MVS boards.]]


16bit big-endian CPU designed by Motorola, found in SDIP or PLCC packages in NeoGeo systems. Also called 68000 or MC68000. Runs at 12MHz.
The 68k (AKA 68000, MC68000, 68HC000) is a 16bit big-endian CPU designed by Motorola, found in all NeoGeo systems as the main processor. It runs at [[clock|12MHz]].


== Features ==
* Eight 32-bit data registers and eight 32-bit address registers
* 8 32bit data registers, 8 32bit address registers
* 7 interrupt levels
* 7 interrupt levels
* 56 instructions
* 56 instructions
* 14 addressing modes
* 14 addressing modes


== Related pages ==
=Related pages=
See [[68k memory map]], [[68k interrupts]], and [[Links#68k programming|programming references]].
See [[68k memory map]], [[68k interrupts]], [[wait cycle]], [[overclocking]], and [[Links#68k programming|programming references]].
 
=Pinouts=
==SDIP==
[[File:68000DIP.png]]
 
[[File:68000DIP.odg]]
 
==PLCC==
[[File:cd1_68k.jpg|right|thumb|The PLCC version.]]
 
[[File:68000PLCC.png]]
 
[[File:68000PLCC.odg]]
 
=Datasheet=
 
[[http://www.datasheetcatalog.org/datasheet/motorola/MC68HC000.pdf Original datasheet]]


[[Category:Chips]]
[[Category:Chips]]
[[Category:CPUs]]
[[Category:Base system]]

Latest revision as of 18:58, 15 July 2023

68000 CPU made by Toshiba in SDIP package, as found on AES and some MVS boards.

The 68k (AKA 68000, MC68000, 68HC000) is a 16bit big-endian CPU designed by Motorola, found in all NeoGeo systems as the main processor. It runs at 12MHz.

  • Eight 32-bit data registers and eight 32-bit address registers
  • 7 interrupt levels
  • 56 instructions
  • 14 addressing modes

Related pages

See 68k memory map, 68k interrupts, wait cycle, overclocking, and programming references.

Pinouts

SDIP

File:68000DIP.odg

PLCC

File:Cd1 68k.jpg
The PLCC version.

File:68000PLCC.odg

Datasheet

[Original datasheet]