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AN3956

更新时间： 2022-12-20 04:40:18

品牌	Logo	应用领域
飞思卡尔 - FREESCALE		传感器
页数	文件大小	规格书
20页	392K
描述
DEMOAPEXSENSOR Usage Altitude Pressure EXperimental (APEX) Sensor Board

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AN3956 数据手册

AN3956

Rev 0, 11/2009

Freescale Semiconductor

Application Note

DEMOAPEXSENSOR Usage

Altitude Pressure EXperimental (APEX) Sensor Board

by: John B. Young

INTRODUCTION

The DEMOAPEXSENSOR is an experimental sensor board focused on pressure with a variety of applications built into the

demo. These include: Altimeter, Barometer, Barometer Alarm, Weather station, Waterlevel, Waterlevel Alarm, Tilt, Free Fall, and

Temperature Sensing. The board has been designed as a standalone board to be interfaced currently via an LCD display and

menu buttons. The multiple functions of the Altitude Pressure EXperimental (APEX) Sensor board are possible with the use of

Freescale’s sensors. This kit has the following: MPL115A2, MPXM2102A, MPXV5004G pressure sensors with an MMA7361L

accelerometer. The demo makes use of Freescale’s Flexis MC9S08JM60 8-bit microcontroller. Figure 1 is an image of the

DEMOAPEXSENSOR with important items highlighted. Freescale’s sensors are listed along with their associated application in

Table 1.

Table 1. On-Board Sensors

Device

Type of Sensor

Measurement Range of Sensor

Sensor Application

Interface Type

MPL115A

Digital I²C/SPI

Analog

Pressure Absolute

50 - 115 kPa

Barometer/Altimeter

MPXM2102A

MPXV5004G

MMA7361L

Pressure Absolute

Pressure Gauge

Accelerometer

0 - 100 kPa

0 - 4 kPa

Altimeter/Absolute Pressure

Liquid Level Sensor

Analog

Selectable ±1.5g, ±6g

Acceleration, Tilt, Shock,

Free Fall

Analog

Temperature Sensor

MPXM2102A

Absolute Pressure

Sensor -Altitude

Development

Header

MPL115A

Backside:

MPXV5004G

Gauge Pressure

Sensor- Waterlevel

LCD Display

for Results

USB

Connector

MMA7361L

3 Axis low-g

Accelerometer

-Motion

Push Buttons

“Up, Down, ESC

Enter”

BDM

Figure 1. Basic Components of APEX Board

12 3 4 5 6 7...20

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