L3GD20 datasheet(37/44 Pages) STMICROELECTRONICS

部件名	L3GD20

功能描述	MEMS motion sensor: three-axis digital output gyroscope

PDF	44 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

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37 / 44 page

L3GD20

Doc ID 022116 Rev 1

37/44

7.14

FIFO_SRC_REG (2Fh)

7.15

INT1_CFG (30h)

Table 39.

REFERENCE register description

FM2-FM0

FIFO mode selection. Default value: 00 (see

Table 40)

WTM4-WTM0

FIFO threshold. Watermark level setting

Table 40.

FIFO mode configuration

FM2

FM1

FM0

FIFO mode

Bypass mode

FIFO mode

Stream mode

Stream-to-FIFO mode

Bypass-to-Stream mode

Table 41.

FIFO_SRC register

WTM

OVRN

EMPTY

FSS4

FSS3

FSS2

FSS1

FSS0

Table 42.

FIFO_SRC register description

WTM

Watermark status. (0: FIFO filling is lower than WTM level; 1: FIFO filling is equal

or higher than WTM level)

OVRN

Overrun bit status.

(0: FIFO is not completely filled; 1:FIFO is completely filled)

EMPTY

FIFO empty bit.

(0: FIFO not empty; 1: FIFO empty)

FSS4-FSS1

FIFO stored data level

Table 43.

INT1_CFG register

AND/OR

LIR

ZHIE

ZLIE

YHIE

YLIE

XHIE

XLIE

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