This document introduces the basic information of Motorola MC68020 microprocessor, including: product overview, application scenarios, hardware description, software description, programming guide, etc.
The manual describes the capabilities, operation, and programming of the MC68020 32‑bit second‑generation enhanced microprocessor and the MC68EC020 32‑bit enhanced embedded microprocessor. It includes sections on processing states, signal description, on‑chip cache memory, bus operation, exception processing, coprocessor interface, instruction timing, and application information.
The document also contains electrical characteristics, ordering information, mechanical data, and references to the M68000 Family Programmer’s Reference Manual for the full instruction set. It is intended for designers, firmware developers, and system integrators working with Motorola's 68020 family devices.
| Processor type | 32‑bit second‑generation enhanced microprocessor |
|---|---|
| Embedded processor type | 32‑bit second‑generation enhanced embedded microprocessor |
| Package (MC68020) | CQFP |
| Package (MC68EC020) | PQFP |
It describes the capabilities, operation, and programming of the MC68020 and MC68EC020 microprocessors.
Detailed instruction set information is in the M68000 Family Programmer’s Reference Manual (M68000PM/AD).