Description

The FC1698-QF-AC is an electronic component model in the IC Chips product category. It is a full 32-bit implementation of the M68000 family of microprocessors from Motorola. The MC68020 is implemented with 32-bit registers and data paths, 32-bit addresses, a rich instruction set, and versatile addressing modes. It is object-code compatible with earlier members of the M68000 family and has new addressing modes for enhanced support of high-level languages. The MC68020 also features an on-chip instruction cache, a flexible coprocessor interface with full IEEE floating-point support, and parallel operation capabilities.

Specifications and features

The main specifications and features of the FC1698-QF-AC are:

• 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

Application Scenarios

The FC1698-QF-AC is designed for various application scenarios where a high-performance microprocessor with 32-bit capabilities is required. It can be used in industrial automation, embedded systems, telecommunications, consumer electronics, and other fields that demand advanced processing power, versatile addressing modes, and support for high-level languages.

Comparison

• Object-code compatible with earlier M68000 microprocessors
• Enhanced support for high-level languages
• On-chip instruction cache for faster instruction execution
• Flexible coprocessor interface with full IEEE floating-point support
• Pipelined architecture enabling concurrent execution of multiple instructions
• High-performance asynchronous bus with dynamic bus sizing
• Full support of virtual memory and virtual machine
• Large addressing range for direct memory access

• Processor speeds may be limiting for certain high-speed applications