MC68020CRC25E

The MC68020CRC25E represents a milestone in microprocessor technology, offering a blend of advanced features and robust performance capabilities. Its 32-bit architecture delivers improved processing power, while the integrated floating-point unit enhances its ability to handle intricate mathematical computations. With support for virtual memory and efficient memory management, this microprocessor enables seamless multitasking and optimized resource utilization. Its compatibility with diverse peripherals and interfaces further extends its flexibility for a variety of embedded applications

主な特長

• The main features of the MC68020/EC020 are as follows:
• Object-Code Compatible with Earlier M68000 Microprocessors
• Addressing Mode Extensions for Enhanced Support of High-Level Languages
• New Bit Field Data Type Accelerates Bit-Oriented Applications—e.g., Video Graphics
• An On-Chip Instruction Cache for Faster Instruction Execution
• Coprocessor Interface to Companion 32-Bit Peripherals—the MC68881 and
• MC68882 Floating-Point Coprocessors and the MC68851 Paged Memory
• Management Unit
• Pipelined Architecture with High Degree of Internal Parallelism Allowing Multiple
• Instructions To Be Executed Concurrently
• High-Performance Asynchronous Bus Is Nonmultiplexed and Full 32 Bits
• Dynamic Bus Sizing Efficiently Supports 8-/16-/32-Bit Memories and Peripherals
• Full Support of Virtual Memory and Virtual Machine
• Sixteen 32-Bit General-Purpose Data and Address Registers
• Two 32-Bit Supervisor Stack Pointers and Five Special-Purpose Control Registers
• Eighteen Addressing Modes and Seven Data Types
• 4-Gbyte Direct Addressing Range for the MC68020
• 16-Mbyte Direct Addressing Range for the MC68EC020
• Selection of Processor Speeds for the MC68020: 16.67, 20, 25, and 33.33 MHz
• Selection of Processor Speeds for the MCEC68020: 16.67 and 25 MHz