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ADXL313WACPZ-RL データシート(PDF) 9 Page - Analog Devices |
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ADXL313WACPZ-RL データシート(HTML) 9 Page - Analog Devices |
9 / 28 page Data Sheet ADXL313 Rev. 0 | Page 9 of 28 Autosleep Mode Additional power savings can be obtained by having the ADXL313 automatically switch to sleep mode during periods of inactivity. To enable this feature, set the THRESH_INACT register (Address 0x25) to an acceleration threshold value. Levels of acceleration below this threshold are regarded as no activity. Set TIME_INACT (Address 0x26) to an appropriate inactivity time period. Then set the AUTO_SLEEP bit and the link bit in the POWER_CTL register (Address 0x2D). If the device does not detect a level of acceleration in excess of THRESH_INACT for TIME_INACT seconds, the device is transitioned to sleep mode automatically. Current consumption at less than 10 Hz data rates used in this mode is typically 55 µA for a VS of 3.3 V. Standby Mode For even lower power operation, standby mode can be used. In standby mode, current consumption is reduced to 0.1 µA (typical). In this mode, no measurements are made. Standby mode is entered by clearing the measure bit (Bit 3) in the POWER_CTL register (Address 0x2D). Placing the device into standby mode preserves the contents of the FIFO. |
同様の部品番号 - ADXL313WACPZ-RL |
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同様の説明 - ADXL313WACPZ-RL |
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