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參數(shù)資料
| 型號(hào)： | WC32P020-XXM |
| 英文描述： | 16 32-Bit General-Purpose Data and Address Registers |
| 中文描述： | 16 32位通用數(shù)據(jù)和地址寄存器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 488K |
| 代理商： | WC32P020-XXM |
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
WC32P020-XXM
December 2002
Rev. 2
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
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
FIGURE 1 – BLOCK DIAGRAM
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
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
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 flexible addressing modes.
MICRO MACHINE
MICROROM
NANOROM
CONTROL SECTION
SEQUENCER
INSTRUCTION DECODE
INSTRUCTION PIPE
TAG
CACHE
INSTRUCTION
ADDRESS
SECTION
OPERAND
ADDRESS
SECTION
DATA
SECTION
EXECUTION UNIT
INSTRUCTION
CACHE
ADDRESS
PADS
BUS
CONTROLLER
DATA
PADS
BUS CONTROLLER
68020 FEATURES
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