LIS302DLHTR STMicroelectronics, LIS302DLHTR Datasheet - Page 28

• Manufacturer Part Number: LIS302DLHTR
• Description: IC ACCELEROMETER 3AXIS 14-LGA
• Manufacturer: STMicroelectronics

Specifications of LIS302DLHTR

• Featured Product: STM32 Cortex-M3 Companion Products
• Axis: X, Y, Z
• Acceleration Range: ±2.3g, 9.2g
• Sensitivity: 18mg/digit, 72mg/digit
• Voltage - Supply: 2.16 V ~ 3.6 V
• Output Type: Digital
• Bandwidth: 100Hz ~ 400Hz Selectable
• Interface: I²C, SPI
• Mounting Type: Surface Mount
• Package / Case: 14-LGA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-11072-2; LIS302DLHTR

Register description
7.6
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Table 29.
BDU bit is used to inhibit output registers update between the reading of upper and lower
register parts. In default mode (BDU = ‘0’) the lower and upper register parts are updated
continuously. If it is not sure to read faster than output data rate, it is recommended to set
BDU bit to ‘1’. In this way, after the reading of the lower (upper) register part, the content of
that output registers is not updated until the upper (lower) part is read too.
This feature avoids reading LSB and MSB related to different samples.
CTRL_REG5 (24h)
Table 30.
Table 31.
TurnOn bits are used for turning on the sleep to wake function.
Table 32.
Setting TurnOn[1:0] bits to 11 the “sleep to wake” function is enabled. When an interrupt
event occurs the device is turned to normal mode increasing the ODR to the value defined in
BDU
BLE
FS1, FS0
STsign
ST
SIM
TurnOn1,
TurnOn0
TurnOn1
0
0
1
CTRL_REG4 description
CTRL_REG5 register
CTRL_REG5 description
Sleep to wake configuration
Block data update. Default value: 0
(0: continuos update; 1: output registers not updated between MSB and LSB reading)
Big/little endian data selection. Default value 0.
(0: data LSB @ lower address; 1: data MSB @ lower address)
Full-scale selection. Default value: 00.
(00: ±2 g; 01: ±4 g; 11: ±8 g)
Self-test sign. Default value: 00.
(0: self-test plus; 1 self-test minus)
Self-test enable. Default value: 0.
(0: self-test disabled; 1: self-test enabled)
SPI serial interface mode selection. Default value: 0.
(0: 4-wire interface; 1: 3-wire interface)
Turn-on mode selection for sleep to wake function. Default value: 00.
0
TurnOn0
0
1
0
Doc ID 15797 Rev 1
Turned on: The device is in low power mode (ODR is defined in
0
Sleep to wake function is disabled
Sleep to wake status
0
CTRL_REG1)
0
TurnOn1
LIS302DLH
TurnOn0