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Infineon Alarm System – Quick Start Guide
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MicroIAS
Infineon's MicroIAS is a small form-factor board (Figure 1) designed for the use as sensor fusion based alarm
system. It employs a high accuracy pressure sensor (PS), a microphone (MIC) with high SNR and a powerful small
form-factor ARM M4F core microcontroller from Quicklogic that processes sensor data from the microphone
(listens to glass break) and the pressure sensor (picks up changes in barometric pressure after a glass break
happens) and runs sensor fusion algorithms to trigger an alarm.
The MicroIAS board allows a software developer access to all essential interfaces such as UART, SWD (CON1
connector for development and debug), power supply, a manual reset (SW1) and it provides visual aids (LED1
and LED2) for the user to identify power applied (LED1 = green) and alarm triggered (LED2 = red; blinks once for
intruder an twice for glass break).
An external power supply with a 3.6V to 6V range must be applied between GND and VCC on CON2 via a small 2-
pin micro-cable (included) to produce the board's needed power supply (Figure 2). LED1 (green), will be lit when
the board has received the needed supply. The voltage is routed through a small LDO to generate the 1.8V needed
to power sensors (MIC and PS) as well as SPI Flash and MCU.
MicroIAS form-factor board – top/bottom view
Figure 1
MicroIAS form-factor board connections
Figure 2
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V1.5
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