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原理图(10_DOF_IMU_Sensor_D_Schematic).pdf

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1 2 6V - 3.3V VCC C1 10uf C2 1uf GND U1 VIN GND EN 1 2 3 VOUT BP 5 4 RT9193-1.8PB 1.8V C3 1uf C4 0.1uf R1 1K GND C5 22nf L1 LED 4 3 GND GND 1.8V 1.8V 8 7 6 5 U2 VDD GND VDDIO SDO GND CSB SDA SCL BMP280 1.8V C6 0.1uf 1 2 3 4 SDA SCL GND Addr 0xEE I2C address=1110111x(R/W) VCC VCC P1 1 2 3 4 5 6 CON6 VCC GND EXT_SDA EXT_SCL MPU_INT MPU_FSYNC R3 4.7K R4 4.7K VCC MPU_FSYNC MPU_INT EXT_SDA EXT_SCL C7 0.1uf GND 14 13 12 11 10 9 8 U4 VCCB B1 B2 B3 B4 NC OE VCCA A1 A2 A3 A4 NC GND 1 2 3 4 5 6 7 1.8V FSYNC INT SDA SCL LSF0204PWR R9 10K 1.8V 1.8V C11 0.1uf GND GND 1.8V R5 4.7K R6 4.7K 1 2 3 4 5 6 14 15 16 17 19 7 21 U3 RESV NC NC NC NC NC NC NC NC NC RESV AUX_CL AUX_DA ICM-20948 VDDIO VDD nCS SCL/SCLK SDA/SDI AD0/SDO INT FSYNC REGOUT RESV GND 8 13 22 23 24 9 12 11 10 20 18 GYRO_Addr 0xD0 ACCEL_Addr 0xD0 MAG_Addr 0x0C 1.8V 1.8V R2 10K C80.1uf C90.1uf GND SCL SDA AD0 INT FSYNC REGOUT GND C10 0.1uf R7 10K R8 10K A B C D A B C D 1 2 3 4
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