CMA3000-D0X VTI Hamlin, CMA3000-D0X Datasheet - Page 23

• Manufacturer Part Number: CMA3000-D0X
• Description: Cma3000-d0x Series 3-axis Accelerometer
• Manufacturer: VTI Hamlin

7
7.1 Pin Description
7.2 Recommended circuit diagram
VTI Technologies Oy
www.vti.fi
MISO
DVIO
VDD
Application information
100n
CMA3000 pin numbers are presented in Figure 14 below and pin descriptions in Table 11.
Figure 13. CMA3000 sensing directions
Table 11. CMA3000 pin descriptions
Pin #
1. Connect 100 nF SMD capacitor between each supply voltage and ground level.
2. Use separate regulator for digital IO supply (DVIO).
3. Serial interface (SPI or I
Recommended circuit diagram for the CMA3000 with SPI interface is presented in Figure 15 below.
Figure 15 Recommended circuit diagrams for CMA3000-D0X
2
3
4
5
6
7
8
1
Name
VDD
VSS
DVIO
MISO
SCK_SCL
MOSI_SDA
CSB
INT
100n
Y
1
2
3
4
DVIO
MISO
VDD
VSS
SPI
MOSI_SDA
CMA3000-D01
Supply voltage
Ground
I/O Supply
SPI Serial Data Output (MISO)
SPI Serial Clock (SCK) / I
SPI Serial Data Input (MOSI) / I
Chip select / I
Interrupt
SCK_SCL
Z
Doc.Nr. 8281000.12
CSB
INT
2
X
C) logical '1' level is determined by DVIO supply voltage level.
8
7
6
5
2
C enable
INT
CSB
MOSI
SCK
DVIO
VDD
2
C Serial Clock (SCL)
2
100n
C Serial Data (SDA)
Figure 14. CMA3000 pin numbers
100n
1
2
3
4
DVIO
VDD
VSS
MISO
I2C
MOSI_SDA
SCK_SCL
CMA3000-D0X Series
CSB
INT
8
7
5
6
Rev. 0.12
23/ 35
INT
SDA
SCL