H3LIS331DL Datasheet, PDF (27/38 Pages) STMicroelectronics – MEMS motion sensor: low-power high-g 3-axis digital accelerometer

H3LIS331DL
Register description
7.4
CTRL_REG3 [interrupt CTRL register] (22h)
Table 25. CTRL_REG3 register
IHL
PP_OD
LIR2 I2_CFG1 I2_CFG0 LIR1 I1_CFG1 I1_CFG0
IHL
PP_OD
LIR2
I2_CFG1,
I2_CFG0
LIR1
I1_CFG1,
I1_CFG0
Table 26. CTRL_REG3 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 27)
Latch interrupt request on the INT1_SRC register, with the INT1_SRC register
cleared by reading the 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 27)
7.5
I1(2)_CFG1
0
0
1
1
Table 27. Data signal on INT 1 and INT 2 pad
I1(2)_CFG0
INT 1(2) Pad
0
Interrupt 1 (2) source
1
Interrupt 1 source OR interrupt 2 source
0
Data ready
1
Boot running
CTRL_REG4 (23h)
Table 28. CTRL_REG4 register
BDU
BLE
FS1
FS0
0
0
0
SIM
DocID023111 Rev 2
27/38
38