L3G4IS

Application hints

Doc ID 022612 Rev 1

19/24

6.1.2

Configuration 2

Figure 5.

L3G4IS power supply configuration 2

where:

●

AVdd is OFF

●

HAVdd is ON

●

OIS mode enabled

●

I2C (SCL/SDA) is not available

●

Vdd_IO_SPI has been shorted to HAVdd: SPI is now powered by HAVdd.

Note:

For complete external component placement please refer to Figure 3: L3G4IS electrical

connections and external component values.

6.1.3

Configuration 3

Figure 6.

L3G4IS power supply configuration 3

SCL

DRDY

GND

SDA

Vdd_IO_SPI

1

8

12

5

49

13

16

TOP

VIEW

14

SCL_OIS

CS_OIS

SDI/SDO_OIS

Res

Res

Res

HAVdd

GND

INT

AM10238v1

SCL

DRDY

GND

SDA

Vdd_IO_SPI

1

8

12

5

49

13

16

TOP

VIEW

14

SCL_OIS

CS_OIS

SDI/SDO_OIS

Res

Res

Res

HAVdd

AVdd

INT

Rpu = 10kOhm

Rpu

SCL

SDA

Pull-up to be added on I2C lines

VddI2Cbus

Rpu = 10kOhm

Rpu

INT

DRDY

Pull-up to be added on INT and DRDY signals

VddI2Cbus

AM10239v1