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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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FXLS8974CFR3 датащи(PDF) 80 Page - NXP Semiconductors |
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FXLS8974CFR3 датащи(HTML) 80 Page - NXP Semiconductors |
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80 / 96 page  NXP Semiconductors FXLS8974CF 3-Axis Low-g Accelerometer aaa-040829 R4 C2 1.0 µF C1 0.1 µF R1 R2 1 2 3 4 5 10 9 8 7 6 VDD VDD VDD BT_MODE GND INTF_SEL INT1/MOT_DET SPI_CS_B/WAKE_UP INT2/EXT_TRIG/BOOT_OUT INT1 WAKE_UP INT2/EXT_TRIG SA0/SPI_MISO I2C_SA0 I2C_SDA I2C_SCL SDA/SPI_MOSI SCL/SCLK R3 Figure 19. Typical Application Circuit #1 – I2C mode Notes: • Resistors R1 and R2 are not needed if the interrupt output driver type is configured for push-pull operation (default). • If either the INT1 or INT2 pins are not used in the application, leave them unconnected. • The required pull-up resistor values for R3 and R4 are dependent on several factors including the I2C clock frequency, bus pull-up voltage, and the total parasitic trace + device capacitances. A suggested starting point is 4.7 kΩ for Standard and Fast modes. • The external trigger function can be used to initiate a single shot measurement of the XYZ acceleration and temperature data. This mode is useful for synchronizing measurements with an external system or for creating user-specific ODRs. The measurement is triggered on the rising edge of the EXT_TRIG signal. aaa-040830 C1 0.1 µF R1 R2 1 2 3 4 5 10 9 8 7 6 VDD VDD VDD BT_MODE GND INTF_SEL INT1/MOT_DET SPI_CS_B/WAKE_UP INT2/EXT_TRIG/BOOT_OUT INT1 WAKE_UP INT2/EXT_TRIG SA0/SPI_MISO MOSI MISO SCLK SDA/SPI_MOSI/SPI_DATA SCL/SCLK C2 1.0 µF Figure 20. Typical Application Circuit #2 – SPI 4-wire mode aaa-040831 C2 0.1 µF R1 R2 1 2 3 4 5 10 9 8 7 6 VDD VDD VDD BT_MODE GND INTF_SEL INT1/MOT_DET SPI_CS_B/WAKE_UP INT2/EXT_TRIG/BOOT_OUT INT1 SPI_CS_B/WAKE_UP INT2/EXT_TRIG DNC SPI_DATA SCLK SDA/SPI_MOSI/SPI_DATA SCL/SCLK C2 1.0 µF Figure 21. Typical Application Circuit #3 – SPI 3-wire mode (software enabled; SENS_CONFIG1[SPI_M] = 1) FXLS8974CF All information provided in this document is subject to legal disclaimers. © NXP B.V. 2022. All rights reserved. Product data sheet Rev. 1.5 — 11 March 2022 80 / 96 |
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