DESCRIPTION

The WC32P020 is a 32-bit implementation of the 68000 Family of microprocessors. Using HCMOS technology, the WC32P020 is implemented with 32-bit registers and data paths, 32-bit addresses, a powerful instruction set, and fl exible addressing modes.

68020 FEATURES

■ Selection of Processor Speeds: 16.67, 20, 25 MHz

■ Military Temperature Range: -55°C to +125°C

■ Packaging

• 114 pin Ceramic PGA (P2)

• 132 lead Ceramic Quad Flatpack, CQFP (Q2)

■ Object-code compatible with earlier 68000 Microprocessors

■ Addressing mode extensions for enhanced support of high-level languages

■ Bit Field Data Type Accelerates Bit-Oriented Applications–i.e., Video Graphics

■ Fast On-Chip Instruction Cache Speeds Instructions and Improves Bus Bandwidth

■ Coprocessor Interface to Companion 32-Bit Peripherals–the 68881 and 68882 Floating-Point Coprocessors and the 68851 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 Effi ciently Supports 8-/16-/32-Bit Memories and Peripherals

■ Full Support of Virtual Memory and Virtual Machine

■ 16 32-Bit General-Purpose Data and Address Registers

■ Two 32-Bit Supervisor Stack Pointers and Five Special-Purpose Control Registers

■ 18 Addressing Modes and 7 Data Types

■ 4 GigaByte Direct Addressing Range