L3G4200DHTR STMicroelectronics, L3G4200DHTR Datasheet
L3G4200DHTR
Specifications of L3G4200DHTR
Related parts for L3G4200DHTR
L3G4200DHTR Summary of contents
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... Appliances and robotics Table 1. Device summary Order code Temperature range (°C) L3G4200DH L3G4200DHTR April 2010 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. three-axis digital output gyroscope Description The L3G4200DH is a low-power three-axis angular rate sensor ...
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Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 1.1 Pin ...
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L3G4200DH 4.2.3 5 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of tables List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L3G4200DH List of figures Figure 1. Block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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Block diagram and pin description 1 Block diagram and pin description Figure 1. Block diagram Ω + x,y,z REFERENCE The vibration of the structure is maintained by drive circuitry in a feedback loop. The sensing signal is filtered and appears ...
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L3G4200DH Table 2. Pin description Pin Figure 3. L3G4200DH external low-pass filter values a. Pin 14 PLLFILT maximum voltage level is equal to Vdd. ...
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Block diagram and pin description Table 3. Filter values 8/28 Parameter Doc ID 17300 Rev 1 L3G4200DH Typical value 10 nF 470 nF 10 kΩ ...
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L3G4200DH 2 Mechanical and electrical specifications 2.1 Mechanical characteristics Table 4. Mechanical characteristics @ Vdd = 3 °C unless otherwise noted Symbol Parameter FS Measurement range So Sensitivity Sensitivity change vs. SoDr temperature DVoff Digital zero-rate ...
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Mechanical and electrical specifications 2.2 Electrical characteristics Table 5. Electrical characteristics @ Vdd =3.0 V, T=25 °C unless otherwise noted Symbol Parameter Vdd Supply voltage Vdd_IO I/O pins supply voltage Idd Supply current Supply current IddSL (4) in sleep mode ...
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L3G4200DH 2.4 Communication interface characteristics 2.4.1 SPI - serial peripheral interface Subject to general operating conditions for Vdd and Top. Table 7. SPI slave timing values Symbol tc(SPC) SPI clock cycle fc(SPC) SPI clock frequency tsu(CS) CS setup time th(CS) ...
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Mechanical and electrical specifications 2 2.4 inter IC control interface Subject to general operating conditions for Vdd and Top. 2 Table slave timing values (TBC) Symbol Parameter f SCL clock frequency (SCL) t SCL ...
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L3G4200DH 2.5 Absolute maximum ratings Stresses above those listed as “Absolute maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device under these conditions is not implied. Exposure to ...
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Mechanical and electrical specifications 2.6 Terminology 2.6.1 Sensitivity An angular rate gyroscope is device that produces a positive-going digital output for counterclockwise rotation around the sensitive axis considered. Sensitivity describes the gain of the sensor and can be determined by ...
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L3G4200DH 3 Main digital blocks 3.1 Block diagram Figure 6. Block diagram 3.2 FIFO The L3G4200DH embeds a 32-slot, 16-bit data FIFO for each of the three output channels: yaw, pitch and roll. This allows consistent power saving for the ...
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Main digital blocks Figure 7. Bypass mode 3.2.2 FIFO mode In FIFO mode, data from the yaw, pitch and roll channels are stored in the FIFO. A watermark interrupt can be enabled (I2_WMK bit in CTRL_REG3), which is triggered when ...
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L3G4200DH data as the new data arrives. Programmable watermark level events can be enabled to generate dedicated interrupts on the DRDY/INT2 pin (configured through CTRL_REG3. Stream mode is represented in Figure 9. Stream mode 3.2.4 Bypass-to-stream mode In bypass-to-stream mode, ...
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Main digital blocks 3.2.5 Stream-to-FIFO mode In Stream-to-FIFO mode, data from yaw, pitch and roll measurements are stored in the FIFO. A watermark interrupt can be enabled on pin DRDY/INT2, setting the I2_WTM bit in CTRL_REG3, which is triggered when ...
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L3G4200DH 4 Digital interfaces The registers embedded in the L3G4200DH may be accessed through both the I serial interfaces. The latter may be software-configured to operate either in 3-wire or 4-wire interface mode. The serial interfaces are mapped onto the ...
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... LSb is ‘1’ (address 1101001b). Otherwise if the SDO pin is connected to ground, the LSb value is ‘0’ (address 1101000b). This solution permits the connection and addressing of two different gyroscopes to the same I Data transfer with acknowledge is mandatory. The transmitter must release the SDA line during the acknowledge pulse ...
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L3G4200DH Table 14. Transfer when master is writing multiple bytes to slave Master ST Slave Table 15. Transfer when master is receiving (reading) one byte of data from slave Master ST SAD + W Slave Table 16. Transfer when master ...
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Digital interfaces Figure 12. Read and write protocol CS SPC SDI SDO CS is the serial port enable and is controlled by the SPI master. It goes low at the start of the transmission and goes back high at the ...
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L3G4200DH The SPI read command is performed with 16 clock pulses. A multiple byte read command is performed by adding blocks of 8 clock pulses to the previous one. bit 0: READ bit. The value is 1. bit 1: MS ...
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Digital interfaces Figure 16. Multiple byte SPI write protocol (2-byte example) CS SPC SDI RW MS 4.2.3 SPI read in 3-wire mode 3-wire mode is entered by setting the SIM (SPI serial interface mode selection) bit CTRL_REG2. ...
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L3G4200DH 5 Package information In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK ...
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Package information Figure 18. LGA-16: mechanical data and package dimensions 26/28 Doc ID 17300 Rev 1 L3G4200DH ...
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L3G4200DH 6 Revision history Table 17. Document revision history Date 01-Apr-2010 Revision 1 Initial release. Doc ID 17300 Rev 1 Revision history Changes 27/28 ...
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