L3GD20 查看數據表（PDF） - STMicroelectronics

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L3GD20

MEMS motion sensor: three-axis digital output gyroscope

STMicroelectronics 

L3GD20

Digital main blocks

4.2.6

Retrieve data from FIFO

FIFO data is read through OUT_X (Addr reg 28h,29h), OUT_Y (Addr reg 2Ah,2Bh) and

OUT_Z (Addr reg 2Ch,2Dh). When the FIFO is in Stream, Trigger or FIFO mode, a read

operation of the OUT_X, OUT_Y or OUT_Z registers provides the data stored in the FIFO.

Each time data is read from the FIFO, the oldest pitch, roll and yaw data is placed in the

OUT_X, OUT_Y and OUT_Z registers and both single read and read_burst (X,Y & Z with

auto-incrementing address) operations can be used. When data included in OUT_Z_H

(2Dh) is read, the system restarts to read information from addr OUT_X_L (28h).

Doc ID 022116 Rev 1

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