,按一下以編輯母片標題樣式,按一下以編輯母片文字樣式,第二層,第三層,第四層,第五層,2011/11/27,#,Accelerometer,Billy,1,AccelerometerBilly1,content,Accelerometer,principle,MEMS Accelerometer(LIS331DLH),Accelerometer application,Gyroscope,principle,MEMS Gyroscope(L3G4200DH),Gyroscope application,2,contentAccelerometer principle,Accelerometer,principle,m,F,a,3,Accelerometer principlemFa3,Accelerometer,principle,4,Accelerometer principle4,MEMS Accelerometer,MEMS Micro-Electro-Mechanical Systems,5,MEMS AccelerometerMEMS Micro-E,6,6,LIS331DLH,Description,The LIS331DLH is an ultra low-power high performance three axes linear accelerometer belonging to“nano”family with digital I2C/SPI serial interface standard output.,Features,16 bit data output,2 independent programmable interrupt generators for free-fall and motion detection.,+-2g/+-4g/+-8g dynamically selectable full-scales,Smart embedded function,10000g high shock survivability,7,LIS331DLHDescription7,ISS331DL,8,ISS331DL8,LIS331DLH,9,LIS331DLH9,LIS331DLH,10,LIS331DLH10,LIS331DLH,11,LIS331DLH11,LIS331DLH,12,LIS331DLH12,LIS331DLH,13,LIS331DLH13,LIS331DLH,Register(128 bytes 8 bit),Control is behavior,Retrieve acceleration data,Select operation mode,14,LIS331DLHRegister(128 bytes 8,LIS331DLH,15,LIS331DLH15,LIS331DLH measurement,I2C waveform and data,Write Command accel-fct:measure pin 4&6,16,LIS331DLH measurementI2C wavef,LIS331DLH measurement,I2C waveform and data,Write Command accel-intr:measure pin 4&6,17,LIS331DLH measurementI2C wavef,Accelerometer application,Free-fall detection,Motion activated functions,Gaming and virtual reality input device,Vibration monitoring and compensation,18,Accelerometer applicationFree-,Q&A,19,Q&A19,Gyroscope,Billy,20,GyroscopeBilly20,Gyroscope,A gyroscope is a device for measuring or maintaining orientation,based on the principles of conservation of angular momentum.,21,Gyroscope A gyroscope is a de,MEMS Gyroscope,Coriolis force,22,MEMS Gyroscope Coriolis force2,MEMS Gyroscope,23,MEMS Gyroscope 23,MEMS Gyroscope,24,MEMS Gyroscope24,L3G4200DH,Low-power there axes angular rate sensor,Three selectable full scales (+-250/+-500/+-2000dps),I2C/SPI digital output interface,Smart embedded functions,16 bit-rate value data output,8-bit temperature data ouput,25,L3G4200DHLow-power there axes,L3G4200DH,26,L3G4200DH26,L3G4200DH,27,L3G4200DH27,L3G4200DH,28,L3G4200DH28,L3G4200DH,29,L3G4200DH29,L3G4200DH,30,L3G4200DH30,L3G4200DH,Pin 14 PPFILT maximum voltage level is equal to Vdd.,31,L3G4200DHPin 14 PPFILT maximum,L3G4200DH,32,L3G4200DH32,L3G4200DH,33,L3G4200DH33,L3G4200DH,34,L3G4200DH34,L3G4200DH,Five modes(select by FIFO_MODE bits in register),Bypass mode,FIFO mode,Stream mode,Bypass-to-Stream mode,Stream-to-FIFO mode,35,L3G4200DHFive modes(select by,Bypass mode,Only one slot used,when new data input old data will be overwritten.,36,Bypass modeOnly one slot used,FIFO mode,When the data filled to the level specified in REG,it will trigger a interrupt.The FIFO continues filling until full.When full FIFO stop collection data,to restart collection data it is necessary back to Bypass mode.,37,FIFO modeWhen the data filled,Stream mode,Like FIFO mode,but when full it will discards the older data as new data arrives,and can generate a interrupts on the DRDY/INT2 pin.,38,Stream modeLike FIFO mode,bu,Bypass-to-Stream mode,The FIFO starts operating in Bypass mode,once a trigger event occurs(INT1_CFG register events)the FIFO starts operating in Stream mode.,39,Bypass-to-Stream modeThe FIFO,Stream-to-FIFO mode,The FIFO starts operating in Stream mode,once a trigger event occurs(INT1_CFG register events)the FIFO starts operating in FIFO mode.,40,Stream-to-FIFO modeThe FIFO st,Gyroscope application,41,Gyroscope application41,Gyroscope application,Game controllers.,Assisted-GPS navigation systems.,Image stabilization.,Tilting and angular motion detection in robotics.,42,Gyroscope applicationGame cont,The end,Thanks!,43,The end43,