LSM330 Datasheet, PDF (50/75 Pages) STMicroelectronics – Power-down and sleep modes

Register description
LSM330
FMODE [2:0]
WTMP [4:0]
Table 46. FIFO_CTRL_REG_A register description
FIFO mode selection. Default value: 000 (see Table 47)
FIFO threshold. Watermark level setting. FIFO depth if the watermark is enabled
Table 47. FIFO mode configuration
FMODE2 FMODE1 FMODE0
FIFO mode
0
0
0
Bypass mode
0
0
1
FIFO mode
0
1
0
Stream mode
0
1
1
Stream-to-FIFO mode
1
0
0
Bypass-to-Stream mode
Other configurations are not used.
8.24
FIFO_SRC_REG_A (2Fh)
Linear acceleration sensor FIFO source control register (r).
WTM
OVRN_
FIFO
Table 48. FIFO_SRC_REG_A register
EMPTY
FSS4
FSS3
FSS2
FSS1
FSS0
WTM
OVRN_FIFO
EMPTY
FSS [4:0]
Table 49. IFO_SRC_REG_A register description
Watermark status.
0 = FIFO filling is lower than WTM level; 1 = FIFO filling is equal or higher than
WTM level
Overrun bit status. 0 = FIFO is not completely filled; 1 = FIFO is completely filled
FIFO empty bit.
0 = FIFO not empty; 1 = FIFO empty)
FIFO stored data level
8.25
CTRL_REG2_A (21h)
State machine 1 control register (r/w).
Table 50. CTRL_REG2_A register
HYST2_1 HYST1_1 HYST0_1
-
SM1_PIN
-
-
SM1_EN
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