Data Sheet

ManualsBrandsSparkfun Electronics ManualsMagnetic Sensors / CompassSparkFun 9DoF Sensor Stick

LSM9DS1 functionality LSM9DS1

22/72 DocID025715 Rev 2

3.4 Block diagram

Figure 8. Accelerometer and gyroscope digital block diagram

Figure 9. Magnetometer block diagram

ADC LPF1

1

0

HP_EN

LPF2

HPF

Data Reg

Interrupt

Generator

I2C / SPI

(XL + Gyro)

OUT_SEL

INT_SEL

SRC Registers

CFG Registers

Gyro

FIFO

LPF1

ADC

1

0

HPF

HPIS1

FDS

XL

Gyro

LPF2

HR

Interrupt

Generator

XL

0

0

1

1

XL

XL

XL

Gyro Gyro

Gyro

I (M)

Y+

Z+

Y-

Z-

X+

X-

CHARGE

AMPLIFIER

I2C / SPI

(for mag only)

CONTROL LOGIC

CLOCK

TRIMMING

CIRCUITS

A/D

CONTROL

CONVERTER

MUX

LOGIC

INTERRUPT

GENERATOR