SDRAM

Aug 13, 2014

20 likes | 239 Views

SDMA_BUFF = malloc ( (Int32) (( SDMA_BUFF_SIZE + 63)/64) * 64 ); SDMA_BUFF = (Uint8 *) ( (Int32) SDMA_BUFF & ~63 );. L1D Cache. L2SRAM. SDMA BUF. C674 subsystem. SRAM. SDRAM. SDMA BUF and CPU BUF Map to same L1D Cache line. CPU BUF. Cache. EDMA. UHPI. -. CORRUPT.

Share Presentation

Embed Code

Link

cpu buff
uint8
corrupt cpu
l1d cache
sram sdram sdma buf
cpu buff size

janet

Download Presentation

SDRAM

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

SDMA_BUFF = malloc( (Int32) (( SDMA_BUFF_SIZE + 63)/64) * 64 ); SDMA_BUFF = (Uint8 *) ( (Int32) SDMA_BUFF & ~63 ); L1D Cache L2SRAM SDMA BUF C674 subsystem SRAM SDRAM SDMA BUF and CPU BUF Map to same L1D Cache line. CPU BUF Cache EDMA UHPI - CORRUPT CPU_BUFF = malloc( (Int32) ((CPU_BUFF_SIZE + 63)/64) * 64 ); CPU_BUFF = (Uint8 *) ( (Int32) CPU_BUFF & ~63 );

SDRAM Technology

SDRAM Technology. An introduction to the use of the technology in the high-reliability, spaceflight environment. Overview. Technology Background Heavy Ions Protons Loss of Functionality Radiation Signal Integrity Upset Predictions Total Ionizing Dose References

1.05k views • 57 slides

Introduction to DDR SDRAM

Introduction to DDR SDRAM. Bill Gervasi Technology Analyst wmgervasi@attbi.com. Topics to Cover. The SDRAM Roadmap Transitioning from SDR to DDR DDR-I 400 Overview Market overview. SDRAM Evolution. 5400MB/s. Mainstream Memories. DDR667. 4300MB/s. DDR533. 3200MB/s. DDR400. 2700MB/s.

1.42k views • 28 slides

Mobile System Considerations for SDRAM Interface Trends

Mobile System Considerations for SDRAM Interface Trends. Andrew B. Kahng †‡ , Vaishnav Srinivas ‡ ¥ June 5 th , 2011 CSE † and ECE ‡ Departments University of California, San Diego Qualcomm Inc. ¥. Outline. SDRAM Memory Interfaces: Today and Tomorrow Motivation

347 views • 13 slides

Posted CAS for DDR-II SDRAM

Posted CAS. Posted CAS for DDR-II SDRAM. Bill Gervasi Technology Analyst October, 2002. Traditional DDR-I SDRAM. CK. RAS. CAS. Data. tRCD. CAS Latency. RAS and CAS (read/write) issued independently Controllers must insure the command bus is free

574 views • 14 slides

MIGRATING FROM SDRAM TO DDR

MIGRATING FROM SDRAM TO DDR. Bill Gervasi Vice Chairman, JEDEC Memory Timing Technology Analyst bilge@transmeta.com. Topics to Cover. About JEDEC & DDR Market Segments & Fragments Design Architectures DDR Solutions Changes from SDR to DDR Timing Diagrams Impact to board design

873 views • 37 slides

DDR SDRAM Controller Core

DDR SDRAM Controller Core . DSD Opencores Project 資訊三　 B92902069 楊博翔. What is “DDR” ?. DDR SDRAM, or simply DDR, is the acronym for Double Data-Rate Synchronous DRAM (SDRAM). SDRAM used only the rising edge of the clock cycle to transfer data.

813 views • 20 slides

DDR SDRAM

DDR SDRAM. ASIC Course Saeed Bakhshi May 2004 Class presentation based on ISSCC2003 paper: A 1.8V, 700Mb/s/pin, 512Mb DDR-II SDRAM with On-Die Termination and Off-Chip Driver Calibration. Outlines. Memory Evolution What is DDR? DDR Architecture High Speed Memory Design Considerations

1.76k views • 36 slides

SDRAM Error Modes— Characterization, Rate Calculation and Mitigation

SDRAM Error Modes— Characterization, Rate Calculation and Mitigation. –or–. Why Am I Doing This to Myself?. The Radiation Sins of the SDRAM. Single-Event Latchup (SEL) SEL seen for most devices Cannot predict susceptibility across revisions, let alone generations

361 views • 21 slides

Estimating Influence of Data Layout Optimizations on SDRAM Energy Consumption

Estimating Influence of Data Layout Optimizations on SDRAM Energy Consumption. † H.S. Kim, † V. Narayanan, † M. Kandemir, ‡ E. Brockmeyer, ‡ F. Catthoor, † M.J. Irwin Aug. , 2003. † Dept. Computer Science and Engineering The Pennsylvania State University ‡ IMEC, Belgium.

240 views • 14 slides

A Survey of DDR4 SDRAM Design Improvement Methods

A Survey of DDR4 SDRAM Design Improvement Methods. 16 January 2014 Edmund Leong 梁文禎 0260814. Overview. Introduction - DDR4 Specifications A Far End Cross Talk Cancellation Method Driver Design A Low Jitter DLL Design Fast Parallel CRC and DBI Calculation Method Conclusion.

802 views • 31 slides

A Reconfigurable 1GB Stacked SDRAM Board

A Reconfigurable 1GB Stacked SDRAM Board. Robert F. Hodson - r.f.hodson@larc.nasa.gov Mark Jones, Tak Ng NASA LaRC Darren Boyd. GIFTS. G eosynchronous I maging F ourier T ransform S pectrometer. Data to Naval Centers/ Fleet Demo. Data to NOAA Centers. Australian Ground Station

426 views • 32 slides

SDRAM 동작원리

동작그림 (Function State Diagram) 용어설명. SDRAM 동작원리. Printed By Chong Su Kim Quality Engineering Team Hyundai MicroElectronics joker@hei.co.kr / 043-270-2686. Clock Clock Enable Chip Select Row Address Strobe Column Address Strobe

1.41k views • 11 slides

Array Allocation Taking into Account SDRAM Characteristics

Array Allocation Taking into Account SDRAM Characteristics. Hong-Kai Chang Youn-Long Lin Department of Computer Science National Tsing Hua University HsinChu, Taiwan, R.O.C. Outline. Introduction Related Work Motivation Solving Problem Proposed Algorithms Experimental Results

332 views • 22 slides

SDRAM Load and Play

SDRAM Load and Play. By Hernacki, Kevin ECE3551 Final Project 25 April 2008. Overview. Purpose Solution and Operation Problems Code Initialize.c ISR.c Main.c Talkthrough.h Results References. Purpose.

314 views • 18 slides

DDR SDRAM Memory Interface

DDR SDRAM Memory Interface. Agenda. Why DDR? DDR vs. SDR Understanding DDR SDRAM Bus timing CoolRunner-II and DDR SDRAM demo board CoolRunner-II DDR SDRAM design. Why DDR?. DDR = Double Data Rate Provides ability to read or write two pieces of information in each clock cycle

2.43k views • 45 slides

DDR SDRAM The Memory of Choice for Mobile Computing

DDR SDRAM The Memory of Choice for Mobile Computing. Bill Gervasi Technology Analyst, Transmeta Corporation Chairman, JEDEC Memory Parametrics bilge@transmeta.com. Topics to Cover. Market Segments & Fragments Mobile Design Architectures DDR and SDR Power Analysis DDR SO-DIMM Details.

374 views • 22 slides

DDR SDRAM Controller Core

DDR SDRAM Controller Core. DSD Opencores Project 資訊三　 B92902069 楊博翔. What is “DDR” ?. DDR SDRAM, or simply DDR, is the acronym for Double Data-Rate Synchronous DRAM (SDRAM). SDRAM used only the rising edge of the clock cycle to transfer data.

247 views • 20 slides

Using the SDRAM Controller on Field Programmable Port Extender (FPX)

Using the SDRAM Controller on Field Programmable Port Extender (FPX). Sarang Dharmapurikar Washington University, Applied Research Lab August 15, 2001 Supported by: NSF ANI-0096052 and Xilinx Inc. http://www.arl.wustl.edu/arl/projects/fpx. SDRAM Controller Overview. SDRAM Controller.

128 views • 12 slides

More Related