Freescale Semiconductor FRDM-FXS-MULTI 데이터 시트
1.3.2 Typical Application Circuit—SPI Mode
1
2
3
4
5
6
7
8
9
10
11
12
14
20
21
24
13
15
16
17
18
19
22
23
V
DDIO
(1.62 – 3.6 V)
0.1 μF
0.1 μF
V
DD
(1.95 – 3.6 V)
0.1 μF
Note:
MOSI becomes a bidirectional data pin when
FXAS21000 is operated in 3-wire SPI mode
with CTRL_REG0[SPIW] = 1.
MOSI
MISO
SCLK
Host SPI
Chip Select
SCLK
MOSI/SPI_DIO
R
eser
ved
GND
INT
2
INT
1
RST_B
GND
GND
V
DDIO
SPI_CS_B
V
REGD
GND
V
DD
MISO
FXAS21000
R
eser
ved
R
eser
ved
R
eser
ved
R
eser
ved
Reserved
Reserved
R
eser
ved
R
eser
ved
R
eser
ved
INT
2
INT
1
(Optional)
V
DDIO
RST_B
Note: Connect RST_B pin to V
DDIO
if unused in the application. A pull-up
resistor may be used if desired.
resistor may be used if desired.
1.0 μF
47 kΩ
Figure 4. SPI mode electrical connections
1.4 Sensitive Axes Orientations and Polarities
+Ω
Z
+Ω
Y
+Ω
X
FXA
S21
000
Figure 5. Reference frame for rotational measurement
General Description
Xtrinsic 3-Axis Digital Angular Rate Gyroscope, Rev1.2, 7/2014.
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Freescale Semiconductor, Inc.