LSM303DLH Datasheet, PDF (32/47 Pages) STMicroelectronics – Sensor module: 3-axis accelerometer and 3-axis magnetometer

Registers description
LSM303DLH
Table 27.
IHL
PP_OD
LIR2
I2_CFG1,
I2_CFG0
LIR1
I1_CFG1,
I1_CFG0
CTRL_REG3_A description
Interrupt active high, low. Default value: 0
(0: active high; 1:active low)
Push-pull/open drain selection on interrupt pad. Default value 0.
(0: push-pull; 1: open drain)
Latch interrupt request on INT2_SRC register, with INT2_SRC register cleared by
reading INT2_SRC itself. Default value: 0.
(0: interrupt request not latched; 1: interrupt request latched)
Data signal on INT 2 pad control bits. Default value: 00.
(see table below)
Latch interrupt request on INT1_SRC register, with INT1_SRC register cleared by
reading INT1_SRC register. Default value: 0.
(0: interrupt request not latched; 1: interrupt request latched)
Data signal on INT 1 pad control bits. Default value: 00.
(see table below)
9.1.4
Table 28. Data signal on INT 1 and INT 2 pad
I1(2)_CFG1
I1(2)_CFG0
INT 1(2) Pad
0
0
Interrupt 1 (2) source
0
1
Interrupt 1 source OR interrupt 2 source
1
0
Data ready
1
1
Boot running
CTRL_REG4_A (23h)
Table 29. CTRL_REG4_A register
BDU
BLE
FS1
FS0
STsign
0
ST
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Table 30.
BDU
BLE
FS1, FS0
STsign
ST
CTRL_REG4_A description
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)
Doc ID 16941 Rev 1