L3G4200DTR STMicroelectronics, L3G4200DTR Datasheet
L3G4200DTR
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L3G4200DTR
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L3G4200DTR Summary of contents
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... Appliances and robotics Table 1. Device summary Order code Temperature range (°C) L3G4200D L3G4200DTR September 2010 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. MEMS motion sensor: three-axis Description The L3G4200D is a low-power three-axis angular rate sensor ...
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Contents Contents 1 Block diagram and pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 1.1 Pin ...
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L3G4200D 5.2.1 5.2.2 5.2.3 6 Package information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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List of tables List of tables Table 1. Device summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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L3G4200D 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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L3G4200D Table 2. Pin description Pin Figure 3. L3G4200D 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 8/29 Parameter Doc ID 17116 Rev 2 L3G4200D Typical value 10 nF 470 nF 10 kΩ ...
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L3G4200D 2 Mechanical and electrical characteristics 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 characteristics 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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L3G4200D 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 characteristics 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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L3G4200D 2.5 Absolute maximum ratings Any stress above that 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 ...
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Mechanical and electrical characteristics 2.6 Terminology 2.6.1 Sensitivity An angular rate gyroscope is a 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 ...
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L3G4200D 3 Main digital blocks 3.1 Block diagram Figure 6. Block diagram 3.2 FIFO The L3G4200D 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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L3G4200D older 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 ...
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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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L3G4200D 4 Application hints Figure 12. L3G4200D electrical connections and external component values 1 (TOP VIEW) DIRECTIONS OF THE DETECTABLE ANGULAR RATES C1 10nF 10kOhm R2 AM07949V1 Power supply decoupling capacitors (100 nF ceramic or polyester +10 µF) should be ...
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Digital interfaces 5 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 ...
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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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Digital interfaces Table 15. Transfer when master is writing multiple bytes to slave Master ST Slave Table 16. Transfer when master is receiving (reading) one byte of data from slave Master ST SAD + W Slave Table 17. Transfer when ...
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L3G4200D Figure 13. 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 returns to high at the end. ...
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Digital interfaces 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: ...
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L3G4200D Figure 17. Multiple byte SPI write protocol (2-byte example) CS SPC SDI RW MS 5.2.3 SPI read in 3-wire mode 3-wire mode is entered by setting the SIM (SPI serial interface mode selection) bit CTRL_REG2. Figure ...
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Package information 6 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. ...
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L3G4200D Figure 19. LGA-16: mechanical data and package dimensions Doc ID 17116 Rev 2 Package information 27/29 ...
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Revision history 7 Revision history Table 18. Document revision history Date 01-Apr-2010 03-Sep-2010 28/29 Revision 1 Initial release. 2 Complete datasheet review. Doc ID 17116 Rev 2 L3G4200D Changes ...
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... L3G4200D Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...