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 | This article needs additional citations for verification. (November 2007) |
| General information | |
|---|---|
| Launched | 1984 |
| Designed by | Motorola |
| Performance | |
| Max. CPU clock rate | 12.5 MHz to 33 MHz |
| Data width | 32 bits |
| Address width | 32 bits |
| Cache | |
| L1 cache | 256 byte instruction cache[1]: 578 [2] |
| Architecture and classification | |
| Instruction set | Motorola 68000 series |
| Physical specifications | |
| Transistors |
|
| Package(s) | |
| Products, models, variants | |
| Variant(s) |
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| History | |
| Predecessor(s) | Motorola 68010 |
| Successor(s) | Motorola 68030 |
The Motorola 68020 is a 32-bit microprocessor from Motorola, released in 1984. A lower-cost version was also made available, known as the 68EC020. In keeping with naming practices common to Motorola designs, the 68020 is usually referred to as the "020", pronounced "oh-two-oh" or "oh-twenty".
The 020 was in the market for a relatively short time. The Motorola 68030 was announced in September 1986 and began deliveries in the summer of 1987. Priced about the same as the 020 of the time, the 030 was significantly faster and quickly replaced in 020 in almost every use.
- ^ a b c Rafiquzzaman, M. (2005). Fundamentals of Digital Logic and Microcomputer Design. John Wiley & Sons. p. 577-578. ISBN 978-0471733492.
- ^ a b "MC68020 MCEC68020 Microprocessors User's Manual" (PDF). Freescale Semiconductor. 1992. M68020UM/AD REV.2. Archived from the original (PDF) on March 4, 2016.
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