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Passive InfraRed Reference Design (PIRRD) for
SAM3S Motion Detector Camera
1. Scope
This application note provides detailed directions and instructions to both hardware
and software engineers building a low cost, yet powerful, Passive InfraRed Motion
Detector Camera as found in building or home alarm and monitoring systems. The ref-
erence design is based on the SAM3S4C device.
2. Associated Documentation and Software
Before going further into this document, refer to the latest documents for the corre-
sponding device and associated tools on the Atmel web site.
http://www.Atmel.com/products/at91/sam3s.asp?family_id=605
3. Terminology, Abbreviations and Typographical
Conventions
4. Keywords
Atmel ARM
®
Cortex
®
-M3, PIR, Passive InfraRed, Camera, SAM3S, CMOS image
sensor, OmniVision
®
, low-power, IEEE802.15.4, ZigBee
®
, Wireless....
Abbreviation Description
PIR Passive InfraRed
IR Infra Red
PDC Peripheral DMA controller
ACC Analog Comparator Controller
ACP Analog Comparator
PIO Controller Parallel Input/Output Controller
TWI Two-Wire Interface
GPIO General Purpose Input/Output
BOM Bill of Materials
PSRAM Pseudo Static RAM
SMC Static Memory Controller
FPS Frame Per Second
JTAG Joint Test Action Group
AT91SAM
ARM-based
Flash MCU
Application Note
11091A–ATARM–10-Nov-10
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