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ADXL345BCCZ-RL71 数据表(PDF) 8 Page - Analog Devices |
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ADXL345BCCZ-RL71 数据表(HTML) 8 Page - Analog Devices |
8 / 24 page ADXL345 Preliminary Technical Data Rev. PrA | Page 8 of 24 Auto Sleep Mode Additional power can be saved by having the ADXL345 automatically switch to sleep mode during periods of inactivity. To enable this feature set the THRESH_INACT register to an acceleration value that signifies no activity (this value will depend on the application), set TIME_INACT to an appropriate inactivity time period (again, this will depend on the application), and set the AUTO_SLEEP bit and the LINK bit in the POWER_CTL register. Current consumption at the sub- 8Hz data rates used in this mode is typically 25 µA. Standby Mode For even lower power operation Standby Mode can be used. In Standby Mode current consumption is reduced to 2µA (typical). In this mode no measurements are made and communication with the ADXL345 is limited to single-byte read or writes. Standby Mode is entered by clearing the MEASURE bit (D3) in the POWER_CTL register. Placing the device into Standby Mode will preserve the contents of the FIFO. |
类似零件编号 - ADXL345BCCZ-RL71 |
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类似说明 - ADXL345BCCZ-RL71 |
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