PART NUMBER:
Application Schematic
± 2g Tri-axis Digital
Accelerometer Specifications
KXR94-2353
Rev. 3
Nov-2010
1
14
X
Aux In
IO Vdd
SDO
SCLK
C 2
2
3
4
5
6
7
KXR94
13
12
11
10
9
8
C 3
Z
Y
C 4
SDI
nCS
Vdd
C 1
Table 4. KXR94 Pad Descriptions
Pad
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Name
NC
X output
GND
Aux In
IO Vdd
SDO
SCLK
Vdd
nCS
SDI
NC
GND
Y Output
Z Output
Center
pad
Description
Not Connected Internally (can be connected to Vdd or Gnd)
Analog output of the x-channel. Optionally, a capacitor (C 2 ) placed between this pin and ground will form a
low pass filter.
Ground
Auxiliary input for analog-digital converter
Power Supply for I/O pads
SPI Serial Data Output
SPI Communication Clock
The power supply input. Decouple this pin to ground with a 0.1uF ceramic capacitor (C 1 ).
SPI Chip Select
SPI Serial Data Input
Not Connected Internally (can be connected to Vdd or Gnd)
Ground
Analog output of y-channel. Optionally, a capacitor (C 3 )placed between this pin and ground will form a low
pass filter.
Analog output of z-channel. Optionally, a capacitor (C 4 ) placed between this pin and ground will form a low
pass filter.
Ground
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