MMA8652FC datasheet(21/65 Pages) NXP

21 / 65 page

MMA8652FC

Sensors

Freescale Semiconductor, Inc.

6.1

Table 12. MMA8652FC register address map

Name

Type

Address

Auto-Increment Address

Default

Hex

Value

Comment

FMODE = 0

F_READ = 0

FMODE > 0

F_READ = 0

FMODE = 0

F_READ = 1

FMODE > 0

F_READ = 1

STATUS/

F_STATUS(1)(2)

0x00

0x01

00000000

0x00

FMODE = 0, real time status

FMODE > 0, FIFO status

OUT_X_MSB(1)(2)

0x01

0x02

0x01

0x03

0x01

Output

—

[7:0] are 8 MSBs

of 12-bit sample.

Root pointer to

XYZ FIFO data.

OUT_X_LSB(1)(2)

0x02

0x03

0x00

Output

—

[7:4] are 4 LSBs of 12-bit real-time

sample

OUT_Y_MSB(1)(2)

0x03

0x04

0x05

0x00

Output

—

[7:0] are 8 MSBs of 12-bit real-time

sample

OUT_Y_LSB(1)(2)

0x04

0x05

0x00

Output

—

[7:4] are 4 LSBs of 12-bit real-time

sample

OUT_Z_MSB(1)(2)

0x05

0x06

0x00

Output

—

[7:0] are 8 MSBs of 12-bit real-time

sample

OUT_Z_LSB(1)(2)

0x06

0x00

Output

—

[7:4] are 4 LSBs of 12-bit real-time

sample

Reserved

0x07

0x08

—

Reserved. Read return 0x00.

F_SETUP(1)(3)

R/W

0x09

0x0A

00000000

0x00

FIFO setup

TRIG_CFG(1)(4)

R/W

0x0A

0x0B

00000000

0x00

Map of FIFO data capture events

SYSMOD(1)(2)

0x0B

0x0C

00000000

0x00

Current System mode

INT_SOURCE(1)(2)

0x0C

0x0D

00000000

0x00

Interrupt status

WHO_AM_I(1)

0x0D

0x0E

01001010

0x4A

Device ID (0x4A)

XYZ_DATA_CFG(1)(4)

R/W

0x0E

0x0F

00000000

0x00

Dynamic Range Settings

HP_FILTER_CUTOFF(1

)(4)

R/W

0x0F

0x10

00000000

0x00

High-Pass Filter Selection

PL_STATUS(1)(2)

0x10

0x11

00000000

0x00

Landscape/Portrait orientation

status

PL_CFG(1)(4)

R/W

0x11

0x12

10000000

0x80

Landscape/Portrait configuration.

PL_COUNT(1)(3)

R/W

0x12

0x13

00000000

0x00

Landscape/Portrait debounce

counter

PL_BF_ZCOMP(1)(4)

R/W

0x13

0x14

01000100

0x44

Back/Front, Z-Lock Trip threshold

P_L_THS_REG(1)(4)

R/W

0x14

0x15

10000100

0x84

Portrait/Landscape Threshold and

Hysteresis

FF_MT_CFG(1)(4)

R/W

0x15

0x16

00000000

0x00

Freefall/Motion functional block

configuration

FF_MT_SRC(1)(2)

0x16

0x17

00000000

0x00

Freefall/Motion event source

FF_MT_THS(1)(3)

R/W

0x17

0x18

00000000

0x00

Freefall/Motion threshold register

FF_MT_COUNT(1)(3)

R/W

0x18

0x19

00000000

0x00

Freefall/Motion debounce counter

Reserved

0x19

0x1A

0x1B

0x1C

—

Reserved. Read return 0x00.

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