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LM9701 Datasheet(PDF) 1 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Part No. LM9701
Description  Digital Image Processor w/ Integrated Pre-processor
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Maker  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
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2002 National Semiconductor Corporation
www.national.com
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
TM 32 bit RISC processor. The chip has been
designed to operate with National’s family of advanced CMOS
image sensors allowing a complete camera solution for imaging
applications.
Features
!
Embedded 32 bit ARM7TM TDNI RISC processor system
- 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
-Fast I2C compatible serial Interface
!
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
-I2C compatible master
-
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
-40oC to +85oC
System Block Diagram
ARM, ARM7 and ARM7TDMI are registered trademarks of ARM Limited
LM9701
UART
USB
Flash
SRAM
SDRAM
µWIRE/SP
CMOS Image
Sensor




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