MMA8652FC datasheet(66/77 Pages) FREESCALE

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MMA8652FC

Sensors

Freescale Semiconductor, Inc.

6.13.4

0x2D: CTRL_REG4 Interrupt Enable register (Read/Write)

CTRL_REG4 register enables the following interrupts: Auto-WAKE/SLEEP, Orientation Detection, Freefall/Motion, and Data

Ready.

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

INT_EN_ASLP

INT_EN_FIFO

INT_EN_TRANS

INT_EN_LNDPRT INT_EN_PULSE INT_EN_FF_MT

INT_EN_DRDY

Figure 57. 0x2D CTRL_REG4 Interrupt Enable register (Read/Write)

Table 70. CTRL_REG4 register

Bit(s)

Field

Description

INT_EN_ASLP

Auto-SLEEP/WAKE Interrupt Enable

0 interrupt is disabled (default)

1 interrupt is enabled

Note: The corresponding functional block interrupt

enable bit enables the functional block to route

its event detection flags to the system’s interrupt

controller. The interrupt controller routes the

enabled functional block interrupt to the INT1 or

INT2 pin.

6INT_EN_FIFO

FIFO Interrupt Enable

5INT_EN_TRANS

Transient Interrupt Enable

INT_EN_LNDPRT

Orientation (Landscape/Portrait) Interrupt Enable

INT_EN_PULSE

Pulse Detection Interrupt Enable

INT_EN_FF_MT

Freefall/Motion Interrupt Enable

INT_EN_DRDY

Data Ready Interrupt Enable

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