Xilinx XAPP169 manual MT48LC1M16A1 Block Diagram

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MP3 NG: A Next Generation Consumer Platform

ROW-

ROW DECODER

BANK0

MEMORY

11

ADDRESS

2,048

ARRAY

LATCH

(2,048 x 256 x 16)

CKE

CLK

DQML,

DQMH

CS#

COMMAND DECODE

CONTROL

256 (x16)

WE#

LOGIC

CAS#

SENSE AMPLIFIERS

RAS#

I/O GATING

DQM MASK LOGIC

DATA

MODE REGISTER

256

16

OUTPUT

REGISTER

12

COLUMN- ADDRESS LATCH

BURST COUNTER

COLUMN-

ADDRESS BUFFER

DQ0-

COLUMN

16

DQ15

8

8

DECODER

16

DATA

INPUT8

REGISTER

256

ADDRESS

REFRESH

A0-A10, BA

12

CONTROLLER

SENSE AMPLIFIERS

REGISTER

I/O GATING

DQM MASK LOGIC

REFRESH

11

COUNTER

ROW-

ADDRESS

256 (x16)

MUX

11

ROW-

ROW DECODER

BANK1

MEMORY

11

ADDRESS

2,048

ARRAY

LATCH

(2,048 x 256 x 16)

Figure 10: MT48LC1M16A1 Block Diagram

(Courtesy of Micron Technology, Inc.)

T0	T1	T2	T3	T4	T5	T6	T7	T8
CLK	tCK	tCL
CLK			tCH
tCKS	tCKH		tCH
tCKS	tCKH

CKE
	tCMS	tCMH
COMMAND	ACTIVE		NOP	READ	NOP	NOP	NOP	NOP	NOP	ACTIVE
				tCMS tCMH
DQM3
	tAS	tAH
A0-A9	ROW			COLUMN m						ROW
A0-A9	ROW			(A0 - A7)2						ROW
				(A0 - A7)2
	tAS	tAH		ENABLE AUTO PRECHARGE
A10	ROW									ROW
	tAS	tAH
BA	BANK			BANK						BANK
						tAC	tAC	tAC
					tAC	tOH	tOH	tOH	tOH
DQ					t LZ	DOUT m	DOUT m + 1	DOUT m + 2	DOUT m + 3
					t LZ				tHZ
									tHZ
		tRCD		CAS Latency				tRP
		tRAS
		tRC

Figure 11: MT48LC1M16A1 Read Timing

(Courtesy of Micron Technology, Inc.)

R

10	www.xilinx.com	XAPP169 (v1.0) November 24, 1999
	1-800-255-7778

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Contents Introduction MP3 NG a Next Generation Consumer PlatformSummary MP3 BackgroundMP3 Technology Solution OverviewMP3 NG a Next Generation Consumer Platform MP3 NG System Block Diagram IDT RC32364 RISControllerRC32364 Block Diagram RC32364 Read Timing CS4343 Block Diagram Crystal CS4343 Stereo DACControl Port Timing KM29U64000T Block Diagram Samsung Flash MemoryMicron Sdram Memory KM29U64000T Read TimingMT48LC1M16A1 Block Diagram National Semiconductor Function ControllerSystem Implementation Software ArchitectureUI Manager MP3 Decoder and Audio ISRBlock Mapping Xilinx SpartanMemory Manager Code InitializationFpga Logic Block Diagram IP Bus ControllerCPU Interface Block Diagram CPU InterfaceLCD Controller CpumasterclkLCD Controller Block Diagram LCD Controller Interface Signal SummaryMemory Interface Block Diagram Memory InterfaceSdram Controller Sdram Controller Interface Signal Summary Type DescriptionFlash Controller Error Handling PerformanceIrda Controller Block Diagram Irda ControllerAudio DAC Interface Block Diagram Audio DAC InterfaceAudio DAC Interface Signal Summary Type Description Touch Screen InterfaceSpartan Device Selection ConclusionTotal 500 137 References Revision History Date Version # Revision 11/24/99 Initial release

XAPP169 specifications

Xilinx XAPP169 is a pioneering application note that delves into the design and implementation of high-performance digital signal processing (DSP) systems. It serves as a reference guide for engineers and designers looking to leverage Xilinx Field Programmable Gate Arrays (FPGAs) for sophisticated DSP applications. The document provides a comprehensive overview of the techniques and methodologies necessary to harness the power and flexibility of FPGA technology in DSP design.

One of the main features of XAPP169 is its focus on the integration of various DSP functions, including filtering, modulation, and Fourier transforms. By utilizing the inherent parallelism of FPGAs, designers can achieve significant performance enhancements compared to traditional DSP implementations. This parallel processing capability allows for real-time processing of high-bandwidth signals, making XAPP169 ideal for applications such as telecommunications, aerospace, and medical imaging.

The application note emphasizes the use of Xilinx’s advanced tools and libraries, such as the Xilinx System Generator for DSP and the Xilinx Vivado Design Suite. These tools facilitate the modeling, simulation, and synthesis of DSP algorithms tailored to specific requirements, enabling a rapid development cycle. By providing pre-optimized building blocks and IP cores, XAPP169 streamlines the design process, reducing time-to-market for new products and innovations.

Additionally, XAPP169 highlights the ability to leverage high-speed serial transceivers present in Xilinx FPGAs. These transceivers enable reliable transmission of data across long distances with minimized latency and optimized bandwidth utilization. The application note outlines various techniques for managing signal integrity and maximizing throughput, ensuring that designs can meet the stringent requirements of modern DSP applications.

Another characteristic of XAPP169 is its attention to resource utilization and optimization strategies. The document discusses how to balance performance with area and power consumption, which is crucial in embedded applications where space and power are at a premium. By employing advanced synthesis strategies and leveraging the capabilities of Xilinx’s architecture, designers can create efficient and scalable DSP systems.

In summary, Xilinx XAPP169 serves as an invaluable resource for engineers seeking to harness the capabilities of FPGAs in DSP applications. With its focus on high-performance design, integration of advanced tools, and optimization strategies, it opens up new possibilities for innovation in various fields where digital signal processing is essential.