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General| Architecture | CISC |
|---|---|
| Data Bus Width | 16-bit |
| Address Bus Width | 24-bit |
| Maximum Addressable Memory | 16 MB |
| Clock Speed | 4 - 16 MHz |
| Manufacturer | Motorola |
| Model | M68000 |
| Number of Transistors | 68, 000 |
| Process Technology | HMOS |
| Voltage | 5 V |
| Type | Microprocessor |
| Instruction Set | Motorola 68000 |
| Package | 64-pin DIP, 68-pin PLCC, 68-pin PGA |
First implementation of the M68000 microprocessor architecture.
Cost-effective system using 8-bit data buses with 32-bit architecture.
VLSI technology, 16-bit microprocessor with virtual memory support.
Reduced power consumption with HMOS MC68000.
Defines user/supervisor modes, registers, program counter, and status register.
Describes the five basic data types and 14 addressing modes.
Details data and address register organization and operand sizes.
Explains how bits, bytes, words, long words, and addresses are stored.
23-bit bus for addressing 16 Mbytes of data, used in most bus cycles.
General-purpose data path, 16-bit wide (8-bit for MC68008).
Controls asynchronous data transfers via strobe and acknowledge signals.
Manages bus mastership requests, grants, and acknowledgments.
Describes data transfer using address, data, and control signals in 8-bit mode.
Refers to Section 5 for CPU space, bus arbitration, and other operations.
Describes data transfer using address, data, and control signals in 16-bit mode.
Explains bus arbitration techniques and signals.
Details synchronization of asynchronous bus arbitration signals.
Covers bus error handling, retry, halt, and double bus faults.
Discusses supervisor and user modes and their implications for operations.
Outlines the four steps of exception processing and vector determination.
Details processing for reset, interrupts, traps, and other exceptions.
Explains the RTE instruction's role in resuming execution after exceptions.
Lists clock periods for computing effective addresses and fetching operands.
Provides clock period timings for MOVE instructions.
Details clock periods for standard instructions.
Lists clock periods for instructions with immediate operands.
Lists clock periods for computing effective addresses.
Provides clock period timings for MOVE instructions.
Details clock periods for standard instructions.
Lists clock periods for instructions with immediate operands.
Lists clock periods for computing effective addresses.
Provides clock period timings for MOVE instructions.
Details clock periods for standard instructions.
Lists clock periods for instructions with immediate operands.
Specifies maximum voltage, temperature, and other operational limits.
Details thermal resistance parameters like θJA and θJC.
Explains power dissipation calculations and junction temperature.
Discusses power consumption and behavior of CMOS cells.
Provides pin assignments for various M68000 family microprocessors.
Details mechanical dimensions for various package types.
