STEVAL-MKI078V1 STMicroelectronics, STEVAL-MKI078V1 Datasheet - Page 27

• Manufacturer Part Number: STEVAL-MKI078V1
• Description: BOARD DEMO LPR450AL GYROSCOPE
• Manufacturer: STMicroelectronics
• Series: MEMSr

Specifications of STEVAL-MKI078V1

• Design Resources: STEVAL-MKI078V1 Schematic
• Sensor Type: Gyroscope, 2 Axis
• Sensing Range: ±500°/sec
• Interface: Analog and Digital
• Sensitivity: 2mV/°/s
• Voltage - Supply: 5V, USB
• Embedded: Yes, MCU, 8-Bit
• Utilized Ic / Part: LPR450AL
• Interface Type: GUI, USB
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With/related Products: LPR450AL
• Other names: 497-10600

UM0855
7.2.3
Note:
7.2.4
7.2.5
7.2.6
7.3
Stop command (DWM only)
The *stop command interrupts any acquisition session that has been started with either the
*start or *debug commands.
This is a digital working mode only command.
Zon and Zoff
The *Zon and *Zoff commands are employed, respectively, to put into 3-state (i.e. high-
impedance) and to remove from 3-state (i.e. normal mode) the lines of the ST72651AR6
microcontroller mounted on the demonstration kit. These commands allow the isolation of
the sensor from the microprocessor and permit the user to interact with the sensor in a
purely analog way.
By default, when the kit is turned on the lines are in 3-state mode (or AWM) and the user is
required to send the command *Zoff to allow communication between the sensor and the
microcontroller (or DWM).
Device name
The *dev command retrieves the name of the device mounted on the demonstration kit
connected to the PC. The returned value is, e.g., “LPR430AL”.
Firmware version
The *ver command queries the demonstration kit and returns the version of the firmware
loaded in the microprocessor, e.g., “PR430AL 1.08”
Quick start
This section provides the basic sequence of commands to start a data communication
session and to retrieve the yaw rate data from the demonstration kit, running in digital
working mode:
1.
2.
3.
4.
5.
Connect the STEVAL-MKI0xxV1 to the USB port.
Start Microsoft Hyper Terminal and configure it as described in
Inside the Hyper Terminal window, enter the command *Zoff to enable control of the
device by the ST72651AR6 microcontroller.
Send the *debug command to get the yaw rate data measured by the sensor.
Send *stop to end the continuous acquisition and visualization.
Doc ID 16617 Rev 1
Supported commands
Section
7.1.
27/35