LM9701 Digital Image Processor with Integrated Pre-Processor
ADVANCE INFORMATION
October 2002
LM9701 Digital Image Processor w/ Integrated Pre-processor
General Description
The LM9701 is a cost effective, digital image processor based
32 bit RISC processor. The chip has been
around the ARM7
designed to operate with National鈥檚 family of advanced CMOS
image sensors allowing a complete camera solution for imaging
applications.
TM
Applications
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Clip On Camera
Digital Still Camera
Industrial Camera
Automotive Camera
Security Camera
Features
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Embedded 32 bit ARM7
TM
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
碌wire/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
Key Specifications
Input Format
Input Pixel Rate
Digital Image Pre-Processor
External Memory
- Memory Type
- Address Space
- Speed
Serial Interfaces
- I
2
C compatible master
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碌wire/SPI
- UART
32 bit ARM7 Processor
- MIPS
- Internal Memory
- Instruction Cache
Clock Inputs
- System
- Real Time Clock
Power Supply
- Core
- IO
Power Dissipation
Package
Operating temperature
up to 400KHz
up to 6.0 MHz
up to 921.6 K bits/s
up to 75
16K-bytes
8K-bytes
12 Mhz Cystal
32 KHz Crystal
1.8 Volt
3.3 Volt
< 100mW
144 LQFP
-40
o
C to +85
o
C
Color Bayer Pattern
Monochrome
12 Meg-pixels/s
10 bit
SRAM, Flash, SDRAM
24 bit
up to 75MHz
- Fast I
2
C compatible serial Interface
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Image Pre-processor
- Defective pixel correction (up to 1024)
- Linearization table
- 4 channel digital gain and offset adjustment
- Raw data statistics
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Integrated USB v1.1 for connection to PC
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System management
- Internal Clock generation from 12MHz Crystal
- Power management
- Reset generation
- JTAG based serial on-chip debug interface
System Block Diagram
Flash
SRAM
SDRAM
LM9701
Digital Video Out
www.national.com
UART
USB
碌WIRE/SP
CMOS Image
Sensor
ARM, ARM7 and ARM7TDMI are registered trademarks of ARM Limited
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2002 National Semiconductor Corporation
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