Datasheet > R380EX

R380EX

更新时间： 2024-11-09 06:06:23

品牌	Logo	应用领域
其他 - ETC		动态存储器 PC
页数	文件大小	规格书
2页	123K
描述
HIGH-INTEGRAION INTEL 386PC-COMPATIBLE SYSTEMCONTROLLER WITH SUPPORT FOR EDO DRAM, ISABUS AND POWER MANAGEMENT

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R380EX 数据手册

R380EX DATA SHEET

H I G H - I N T E G R AT I O N I N T E L ^®3 8 6 P C - C O M PAT I B L E SY ST E M C O N T R O L L E R

W I T H S U P P O R T F O R E D O D R A M , I S A B U S A N D P O W E R M A N A G E M E N T

The power management capabilities of the

R380EX include clock source switching,

halt detection, SMI event generation, and a

programmable clock restart delay to ensure

clock frequency settling when restarting the

oscillator from a powerdown state. The clock

source for the Intel386EX processor can be

switched between the R380EX CLK2OSC

input and the 32.768KHz real time clock

oscillator, thereby reducing the system power

consumption.

PRODUCT OVERVIEW

The RadiSys R380EX Embedded System

Controller is a member of the RadiSys family

of embedded core logic specifically designed

to support the Intel386EX processor. Providing

the necessary circuitry for a PC-compatible

embedded system design, it supplies a

simple, low-cost, “glueless” interface to

additional chips like a video controller or a

PCMCIA controller.

FEATURE SUMMARY

• Supports Intel386EX CPU

• True single-chip ISA implementation

• DRAM controller, 512KB to 64MB

• Flash SIMM controller

• Integrated real-time clock

• Enhanced IDE interface

• Keyboard and mouse controller

• Power management

• Supports Intel386EX chip DMA

• Four programmable I/O chip selects

• 16-bit digital I/O port plus 6-bit output port

• Supports local bus implementation

• ROM or flash ROM interface

• Speaker interface

The functional design of the R380EX is

directly derived from PC architecture.

The R380EX has 4 user-programmable I/O

chip selects in addition to the Intel386EX

processor’s chip selects. There are 16 bits

of individually programmable digital I/O

along with 6 bits of digital output. Additional

functional blocks handle the Intel386EX

processor halt and shutdown cycles, and

control the speaker and external LEDs. The

main and alternate functions of many of the

pins are controlled through registers within

the R380EX.

The R380EX includes a DRAM controller,

keyboard/mouse controller, real time clock,

enhanced IDE interface, and ISAbus controller.

The DRAM controller is compatible with both

fast-page-mode (FPM) and extended-data-out

(EDO) DRAM. It can be configured to support

both DRAM SIMMs and flash SIMMs for

greater system flexibility. The enhanced IDE

interface supports a maximum transfer rate

of 8.33MB per second. The ISAbus controller

has a separate data bus, and manages the

ISA signals to ensure a “quiet” bus for cycles

not directed to the ISA address space.

• Test mode

• 5V or 3.3V operation

• SMI support

• BIOS shadowing

• 208-pin PQFP

• Reference design available

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与R380EX相关器件

型号	品牌	获取价格	描述	数据表
R380EX-02	ETC	获取价格	HIGH-INTEGRAION INTEL 386PC-COMPATIBLE SYSTEMCONTROLLER WITH SUPPORT FOR EDO DRAM, ISABUS
R381/D/5	ETC	获取价格	MESSPIPETTE TYP4 GLASKLASSE B 1ML
R381/F/5	ETC	获取价格	MESSPIPETTE TYP4 GLASKLASSE B 2ML
R381/G/5	ETC	获取价格	MESSPIPETTE TYP4 GLASKLASSE B 5ML
R381/I/5	ETC	获取价格	MESSPIPETTE TYP4 GLASKLASSE B 10ML
R381/J/5	ETC	获取价格	MESSPIPETTE TYP4 GLASKLASSE B 25ML
R3810	HAMAMATSU	获取价格	SUPER COMPACT PHOTOMULTIPLIER TUBES
R38-10	JST	获取价格	Ring tongue terminal (R-type, Non-insulated)
R38100E3	MICROSEMI	获取价格	Rectifier Diode, 1 Phase, 1 Element, 100A, 1000V V(RRM), Silicon, DO-203AB, METAL, DO-5, 1
R3810P	HAMAMATSU	获取价格	SUPER COMPACT PHOTOMULTIPLIER TUBE

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