參數(shù)資料
型號: INTEL486 SX
廠商: Intel Corp.
英文描述: Emedded Ultra-Low Power INTEL486 SX Processor(嵌入式超低能量處理器)
中文描述: Emedded超低功耗英特爾486山西處理器(嵌入式超低能量處理器)
文件頁數(shù): 1/38頁
文件大?。?/td> 346K
代理商: INTEL486 SX
INTEL CORPORATION, 1997
December 1997
Order Number:
272731-002
EMBEDDED ULTRA-LOW POWER
Intel486
SX PROCESSOR
Figure 1.
Embedded Ultra-Low Power Intel486 SX Processor Block Diagram
I
Ultra-Low Power Version of the Intel486
SX Processor
— 32-Bit RISC Technology Core
— 8-Kbyte Write-Through Cache
— Four Internal Write Buffers
— Burst Bus Cycles
— Dynamic Bus Sizing for 8- and 16-bit
Data Bus Devices
— Intel System Management Mode (SMM)
— Boundary Scan (JTAG)
I
176-Lead Thin Quad Flat Pack (TQFP)
I
Separate Voltage Supply for Core Circuitry
I
Fast Core-Clock Restart
I
Auto Clock Freeze
I
Ideal for Embedded Battery-Operated and
Hand-Held Applications
A5850-01
Paging
Unit
Prefetcher
32-Byte Code
Queue
2x16 Bytes
Code
Stream
Barrel
Shifter
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
Clock
Control
Control &
Protection
Test Unit
Control
ROM
Address
Drivers
CLK Input
Core
Clock
Data Bus
Transceivers
Request
Sequencer
Control
Cache
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#
STPCLK#
BRDY# BLAST#
BS16# BS8#
KEN# FLUSH#
AHOLD EADS#
TCK TMS
TDI TD0
Instruction
Decode
32
Decoded
PCD
2
Physical
Address
32-Bit Data Bus
32-Bit Data Bus
Linear Address
InMicro-
Displacement Bus
32
32
32
32
32
32
128
24
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