參數(shù)資料
型號(hào): EMBEDDED INTEL486 SX
廠商: Intel Corp.
英文描述: Embedded INTEL486 SX Processor(嵌入式INTEL486 SX處理器)
中文描述: 山西嵌入式英特爾486處理器(嵌入式英特爾486山西處理器)
文件頁(yè)數(shù): 1/48頁(yè)
文件大?。?/td> 532K
代理商: EMBEDDED INTEL486 SX
INTEL CORPORATION, 1997
December 1997
Order Number:
272769-002
EMBEDDED Intel486 SX PROCESSOR
Figure 1.
Embedded Intel486 SX Processor Block Diagram
I
32-Bit RISC Technology Core
I
8-Kbyte Write-Through Cache
I
Four Internal Write Buffers
I
Burst Bus Cycles
I
Dynamic Bus Sizing for 8- and 16-bit
Data Bus Devices
I
SL Technology
I
Data Bus Parity Generation and Checking
I
Boundary Scan (JTAG)
I
3.3-Volt Processor
— 208-Lead Shrink Quad Flat Pack (SQFP)
I
5-Volt Processor
— 196-Lead Plastic Quad Flat Pack (PQFP)
I
Binary Compatible with Large Software Base
A5443-01
Paging
Unit
Prefetcher
32-Byte Code
Queue
2x16 Bytes
Code
Stream
Barrel
Shifter
24
Cache Unit
Burst Bus
Control
Bus Control
Write Buffers
4 x 32
64-Bit Interunit Transfer Bus
Register
File
ALU
Segmentation
Unit
Descriptor
Registers
Limit and
Attribute PLA
32
Base/
Index
Bus
Translation
Lookaside
Buffer
20
8 Kbyte
Cache
Control &
Protection
Test Unit
Control
ROM
Address
Drivers
32
32
Data Bus
Transceivers
32
Request
Sequencer
Bus Size
Control
Cache
Control
Parity
Generation
and Control
Boundary
Scan
Control
Bus Interface
D31-D0
A31-A2
BE3#- BE0#
ADS# W/R# D/C# M/IO#
PCD PWT RDY# LOCK#
PLOCK# BOFF# A20M#
BREQ HOLD HLDA
RESET SRESET INTR
NMI SMI# SMIACT#
FERR# IGNNE#
STPCLK#
BRDY# BLAST#
BS16# BS8#
KEN# FLUSH#
AHOLD EADS#
DP3-DP0 PCHK#
TCK TMS
TDI TD0
1
Instruction
Decode
32
Decoded
PCD
2
Physical
Address
32-Bit Data Bus
32-Bit Data Bus
Linear Address
InMicro-
Displacement Bus
32
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