Ci-dessous, les différences entre deux révisions de la page.
Les deux révisions précédentesRévision précédenteProchaine révision | Révision précédente | ||
archives:486vs68040 [2021/05/12 22:01] – [System Comparison] frater | back2root:archives:486vs68040 [2024/03/03 21:38] (Version actuelle) – [Tableau] frater | ||
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Ligne 12: | Ligne 12: | ||
A selection of points of comparison between the 80486 and the MC68040 is listed in Table 1.1. | A selection of points of comparison between the 80486 and the MC68040 is listed in Table 1.1. | ||
- | Looking carefully at the table, one can perceive only a single line indentically | + | Looking carefully at the table, one can perceive only a single line identically |
All other data are different, although quite close in some instances. The points of difference between the 80486 and the MC68040 will be discussed next in some detail. | All other data are different, although quite close in some instances. The points of difference between the 80486 and the MC68040 will be discussed next in some detail. | ||
- | < | + | {{tablelayout? |
- | Table 1.1 | + | ^ |
- | ------------------------------------------------------------------------------- | + | | FPU on Chip | Yes (IEEE) |
- | Feature | + | | CPU General-Purpose 32-bit Registers |
- | ------------------------------------------------------------------------------- | + | | FPU 80-bit Registers |
- | FPU on Chip Yes (IEEE) | + | | MMU on Chip | Yes | Yes; Dual: Data, Code | |
- | CPU General-Purpose 32-bit Registers | + | | Cache on Chip | 8k Mixed |
- | FPU 80-bit Registers | + | | Segmentation |
- | MMU on Chip Yes | + | | Paging |
- | Cache on Chip 8k Mixed 4k Data + 4k Code | + | | TLB (or ATC) size | 32 entries |
- | Segmentation | + | | Levels of protection |
- | Paging | + | | Instruction pipeline stages |
- | TLB (or ATC) size 32 entries | + | | Pins |
- | Levels of protection | + | |
- | Instruction pipeline stages | + | |
- | Pins | + | |
- | ------------------------------------------------------------------------------- | + | |
- | </ | + | |
==== CPU General-Purpose Registers ==== | ==== CPU General-Purpose Registers ==== |