FXAS21002CQR1 Просмотр технического описания (PDF) - Freescale Semiconductor

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FXAS21002CQR1

3-Axis Digital Angular Rate Gyroscope

Freescale Semiconductor 

General Description

1.3.1 Typical Application Circuit—I2C Mode

VDDIO

47 kΩ

(optional)

INT2 / PWR_CTRL

INT1

RST_B

Note: Connect RST_B pin to VDDIO

if unused in the application. A pull-up

resistor may be also used if desired.

VDDIO

4.7 kΩ

SCL

24 23 22 21 20

1 GND1

2 INT2 / PWR_CTRL

3 INT1

4 RST_B

5 GND2

6 RSVD_GND

GND4 19

VDDIO 18

SPI_CS_B 17

VREGD 16

VDD 15

GND3 14

VDDIO

(1.62 to VDD + 0.3 V)

0.1 μF

100 nF

VDD (1.95 to 3.6 V)

0.1 μF

1.0 μF

7 RSVD_GND

SAO/MISO 13

SAO

8

9 10 11 12

4.7 kΩ

Note: The logic level on SA0 sets the

7-bit I2C slave address as follows:

SA0 = GND -> 0x20

SA0 = VDDIO -> 0x21

VDDIO

SDA

Figure 3. I2C mode electrical connections

6

Freescale Semiconductor, Inc.

3-Axis Digital Angular Rate Gyroscope, Rev. 2.1, 5/2015

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