LM9704SLX

更新时间： 2024-11-30 13:09:23

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美国国家半导体 - NSC		/
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数据手册

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LM9704SLX 数据手册

October 2002

LM9704 Real Time Digital Image Processor

General Description

Applications

The LM9704 contains all functions needed to build an SXGA or

VGA digital still and video camera. It incorporates a 16 bit RISC

microprocessor, a flexible image processing pipeline, hardware

JPEG compression, and the required peripheral modules in a

single IC. This architecture allows a very fast click-to-click time

and full resolution video without sacrificing image quality or cost;

because the computation extensive operations are processed by

circuitry dedicated to image processing. The highly optimized

memory management provided by the LM9704 keeps the mem-

ory cost of the complete camera to a minimum.

PC Cameras

Dual Mode Cameras

Digital Still Cameras

Clip-on Cameras for PDA’s, Cell Phones, etc.

Embedded Cameras for PDA’s, Cell Phones, etc.

Industrial Cameras

Key Specifications

Array Formats

CIF, VGA, SXGA

Bayer Pattern

A chip set comprising of the LM9704 and a National SXGA or

VGA CMOS image sensor complemented by a lens, battery,

compact flash, power management for the battery, and LCD

(optional) yields a complete high performance cost effective digi-

tal still and/or video camera.

Input Color Format

Digital Image Processor

Compression

10 bit (12 bit internal)

Format

Ratio

Base Line JPEG

Programmable

Video In Frame Rate

Video Outputs

up to 15MHz pixel clock

Features

Embedded 16 bit RISC processor system

Up to 16M-bytes of external memory addressing space

32K-bytes Internal RAM

6 channel DMA

8 channel versatile timer

Interrupt controller

16 input wake up module

Full duplex USART

µwire/SPI serial port

16 general purpose IOs (GPIO)

Glueless CMOS image sensor interface

ACCESS.bus serial interface for imager sensor control

Integrated USB v1.1 for connection to PC

Raw Image Data Processor

USART

USB

up to 921.6K-bits per second

960K-byte/s

External CR16C Memory

Memory Type

SRAM, Flash, Compact Flash,

EEPROM

up to 16 Mbyte

Address Space

Speed

up to 36MHz

Serial Interfaces

ACCESS.bus

µwire/SPI

up to 400KHz

up to 6.0 MHz

16 bit RISC Processor

MIPS

Internal Memory

up to 36

32K-bytes

Defective pixel correction

Digital gain and brightness adjustment

Raw data statistics measurement engine

Color Image processing

Clock Speed

up to 60 Mhz from 12MHz Crystal

Power Supply

Core

2.25 to 2.75 Volt

2.7 to 3.6 Volt

Bayer to RGB Interpolation

Fully programmable color correction

Image sharpening

Programmable gamma correction

Thumbnail generation

RGB to YCrCb conversion

Average Power Dissipation

Package

95mW

128 Pin Laminated CSP

-10^oC to +85^oC

Operating temperature

Digital gain

Hardware JPEG Compression for both video and snapshot.

System management

Internal Clock generation from 12MHz Crystal

Power management

Reset generation

JTAG based serial on-chip debug interface

System Block Diagram

USART

USB

Flash

RAM

LM9704

CMOS Sensor

Module

2002 National Semiconductor Corporation

www.national.com

12 3 4

中文翻译

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与LM9704SLX相关器件

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LM97593	NSC	获取价格	Dual ADC / Digital Tuner / AGC
LM97593EB	NSC	获取价格	Dual ADC / Digital Tuner / AGC
LM97593VH	NSC	获取价格	Dual ADC / Digital Tuner / AGC
LM97600	TI	获取价格	7.6-Bit, 1/2/4 Channel, 5/2.5/1.25 GSPS, High Performance, Low Power A/D Converter
LM9800	NSC	获取价格	8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9800CCV	NSC	获取价格	8-Bit Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9800CCVF	ETC	获取价格	Special Function Video Processor
LM9801	NSC	获取价格	Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9801CCV	NSC	获取价格	Greyscale/24-Bit Color Linear CCD Sensor Processor
LM9801CCVF	NSC	获取价格	Greyscale/24-Bit Color Linear CCD Sensor Processor

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