AIS2DW12 datasheet(40/60 Pages) STMICROELECTRONICS

Part #	AIS2DW12

Description	MEMS digital output motion sensor: ultra-low-power 3-axis accelerometer for automotive applications

PDF	60 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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40 / 60 page

AIS2DW12

40/60

DocID031240 Rev 4

8.4

CTRL1 (20h)

Control register 1 (r/w)

Table 26. Control register 1

Table 27. Control register 1 description

ODR[3:0] is used to set the power mode and ODR selection. The following table lists the bit

settings for power-down mode and each available frequency.

Table 28. Data rate configuration

Table 29. Operating mode selection

Table 30. Power mode selection

ODR3

ODR2

ODR1

ODR0

OP_

MODE1

OP_

MODE0

PW_

MODE1

PW_

MODE0

ODR[3:0]

Output data rate and mode selection (see Table 28)

OP_MODE[1:0]

Operating mode selection (see Table 29)

PW_MODE[1:0]

Power mode selection (see Table 30)

ODR[3:0]

Power mode / data rate configuration

0000

Power-down

0001

1.6 Hz

0010

12.5 Hz

0011

25 Hz

0100

50 Hz

0101

100 Hz

OP_MODE[1:0]

Mode and resolution

Continuous Mode (12/14-bit resolution)

Single data conversion on-demand mode (12/14-bit resolution)

PW_MODE[1:0]

Power mode and resolution

Power Mode 1 (12-bit resolution)

Power Mode 2 (14-bit resolution)

Power Mode 3 (14-bit resolution)

Power Mode 4 (14-bit resolution)

AIS2DW12 Datasheet(PDF) 40 Page - STMicroelectronics

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