STEVAL-IFS001V1 STMicroelectronics, STEVAL-IFS001V1 Datasheet - Page 8

• Manufacturer Part Number: STEVAL-IFS001V1
• Description: EVAL BOARD 3AXIS MEMS ACCELLRMTR
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-IFS001V1

• Design Resources: STEVAL-IFS001V1 Gerber Files STEVAL-IFS001V1 Schematic STEVAL-IFS001V1 Bill of Material
• Sensor Type: Accelerometer, 3 Axis
• Sensing Range: ±2g, 6g
• Interface: I²C, SPI
• Sensitivity: 1024 LSb/g
• Voltage - Supply: 2.16 V ~ 3.6 V
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LIS3LV02DQ
• Processor To Be Evaluated: LIS3LV02DQ
• Interface Type: USB
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 497-5069

I2C and SPI use
3.2
3.3
8/14
Recommendations for I
Recommendations for SPI use
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With I
The use of resistor R34 (10k) is not normally necessary as uPSD has an internal pull-
up of around 100k.
Because SCL_SPC and SDA_SDI are used for I
taken with the following instructions:
–
–
–
With SPI, the use of resistors R36, R37 is NOT advised
The use of resistor R34 (10k) is not normally necessary as uPSD has an internal pull-
up of around 100k.
Because SCL_SPC and SDA_SDI are used for I
taken with the following instructions:
–
–
–
First (important), disable SPI and set the SPI pins as floating inputs
Set P4.7 (CS) as GPIO output and write ‘1’ to activate I
Enable I
First (important), disable I
Activate your SPI. P4.7 is a part of SPI and should be ‘0’, otherwise set P4.7 (CS)
as GPIO output and write ‘0’ directly. This instructs the MEMS chip to use SPI
Start the communication
2
C, the use of R36 & R37 pull-up resistors (4k7) is advised
2
C on your micro and start the communication
2
2
C and set the I
C use
2
C pins as floating inputs
2
2
C and SPI together, care should be
C and SPI together, care should be
2
C on the MEMS chip
STEVAL-IFS001V1