FXAS21002CQR1 Просмотр технического описания (PDF) - Freescale Semiconductor

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производитель

FXAS21002CQR1

3-Axis Digital Angular Rate Gyroscope

Freescale Semiconductor 

1.3.2 Typical Application Circuit—SPI Mode

General Description

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 also be used if desired.

24 23 22 21 20

1 GND1

2 INT2 / PWR_CTRL

3 INT1

4 RST_B

5 GND2

6 RSVD_GND

7 RSVD_GND

GND4 19

VDDIO 18

SPI_CS_B 17

VREGD 16

VDD 15

GND3 14

SAO/MISO 13

0.1 μF

VDDIO

(1.62 to VDD + 0.3 V)

Host SPI

Chip Select

100 nF

0.1 μF

VDD

(1.95 to 3.6 V)

1.0 μF

8

9 10 11 12

VDDIO

MISO

MOSI

SCLK

Note:

MOSI becomes a bidirectional data pin when

FXAS21002 is operated in 3-wire SPI mode

with CTRL_REG0[SPIW] = 1.

Figure 4. SPI mode electrical connections

1.4 Sensitive Axes Orientations and Polarities

+ΩZ

FXAS21002

+ΩY

+ΩX

Figure 5. Reference frame for rotational measurement

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

7

Freescale Semiconductor, Inc.

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