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ADVANCE INFORMATION

October 2002

LM9701 Digital Image Processor w/ Integrated Pre-processor

General Description

The LM9701 is a cost effective, digital image processor based

around the ARM7

designed to operate with National’s family of advanced CMOS

image sensors allowing a complete camera solution for imaging

applications.

Features

!

- 16K bytes of internal SRAM

- 8K bytes of instruction Cache

- 4 channel DMA

!

External memory bus supporting:

- 64 M-byte address space for SRAM and Flash

- 64 M-bit address space for SDRAM

!

Processor Peripherals

- Two full duplex UARTs

-

µwire/SPI serial port

- Versitile timer

- ARM timer

- Interrupt controller

- 16 general purpose IOs

- Real time clock

!

Glueless CMOS image sensor interface

- 10 bit data, vsync, hsync and pclk

!

Image Pre-processor

- Defective pixel correction (up to 1024)

- Linearization table

- 4 channel digital gain and offset adjustment

- Raw data statistics

!

Integrated USB v1.1 for connection to PC

!

System management

- Internal Clock generation from 12MHz Crystal

- Power management

- Reset generation

- JTAG based serial on-chip debug interface

Applications

!

Clip On Camera

!

Digital Still Camera

!

Industrial Camera

!

Automotive Camera

!

Security Camera

Key Specifications

Input Format

Color Bayer Pattern

Monochrome

Input Pixel Rate

12 Meg-pixels/s

Digital Image Pre-Processor

10 bit

External Memory

- Memory Type

- Address Space

- Speed

SRAM, Flash, SDRAM

24 bit

up to 75MHz

Serial Interfaces

-

µwire/SPI

-UART

up to 400KHz

up to 6.0 MHz

up to 921.6 K bits/s

32 bit ARM7 Processor

-MIPS

- Internal Memory

- Instruction Cache

up to 75

16K-bytes

8K-bytes

Clock Inputs

-System

- Real Time Clock

12 Mhz Cystal

32 KHz Crystal

Power Supply

-Core

-IO

1.8 Volt

3.3 Volt

Power Dissipation

< 100mW

Package

144 LQFP

Operating temperature

System Block Diagram

ARM, ARM7 and ARM7TDMI are registered trademarks of ARM Limited

LM9701

UART

USB

Flash

SRAM

SDRAM

µWIRE/SP

CMOS Image

Sensor