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ADIS16445/PCBZ датащи(PDF) 12 Page - Analog Devices |
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ADIS16445/PCBZ датащи(HTML) 12 Page - Analog Devices |
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12 / 24 page ![]() ADIS16445 Data Sheet Rev. A | Page 12 of 24 OUTPUT DATA REGISTERS Each sensor in the ADIS16445 has a dedicated output register in the user register map (see Table 6). Figure 17 provides arrows, which describe the direction or rotation (gX, gY, gZ) and acceleration (aX, aY, aZ) that produces a positive response in the output data. GYROSCOPES XGYRO_OUT (see Table 9) contains x-axis gyroscope data (gX in Figure 17), YGYRO_OUT (see Table 10) contains y-axis gyro- scope data (gY in Figure 17), and ZGYRO_OUT (see Table 11) contains z-axis gyroscope data (gZ in Figure 17). Table 12 illustrates the gyroscope data format with numerical examples. Table 9. XGYRO_OUT (Base Address = 0x04), Read Only Bits Description [15:0] X-axis gyroscope data, twos complement format, 100 LSB/°/sec (SENS_AVG[15:8] = 0x04), 0°/sec = 0x0000 Table 10. YGYRO_OUT (Base Address = 0x06), Read Only Bits Description [15:0] Y-axis gyroscope data, twos complement format, 100 LSB/°/sec (SENS_AVG[15:8] = 0x04), 0°/sec = 0x0000 Table 11. ZGYRO_OUT (Base Address = 0x08), Read Only Bits Description [15:0] Z-axis gyroscope data, twos complement format, 100 LSB/°/sec (SENS_AVG[15:8] = 0x04), 0°/sec = 0x0000 Table 12. Rotation Rate, Twos Complement Format1 Rotation Rate (°/sec) Decimal Hex Binary +250 25,000 0x61A8 0110 0001 1010 1000 +2 ÷ 100 +2 0x0002 0000 0000 0000 0010 +1 ÷ 100 +1 0x0001 0000 0000 0000 0001 0 0 0x0000 0000 0000 0000 0000 −1 ÷ 100 −1 0xFFFF 1111 1111 1111 1111 −2 ÷ 100 −2 0xFFFE 1111 1111 1111 1110 −250 −25,000 0x9E58 1001 1110 0101 1000 1 SENS_AVG[15:8] = 0x04, see Table 29. ACCELEROMETERS XACCL_OUT (see Table 13) contains x-axis accelerometer data (aX in Figure 17), YACCL_OUT (see Table 14) contains y-axis accelerometer data (aY in Figure 17), and ZACCL_OUT (see Table 15) contains z-axis accelerometer data (aZ in Figure 17). Table 16 illustrates the accelerometer data format with numerical examples. Table 13. XACCL_OUT (Base Address = 0x0A), Read Only Bits Description [15:0] X-axis acceleration data, twos complement format, 4000 LSB/g, 0 g = 0x0000 Table 14. YACCL_OUT (Base Address = 0x0C), Read Only Bits Description [15:0] Y-axis acceleration data, twos complement format, 4000 LSB/g, 0 g = 0x0000 Table 15. ZACCL_OUT (Base Address = 0x0E), Read Only Bits Description [15:0] Z-axis acceleration data, twos complement format, 4000 LSB/g, 0 g = 0x0000 Table 16. Acceleration, Twos Complement Format Acceleration (g) Decimal Hex Binary +5 20,000 0x4E20 0100 1110 0010 0000 +2 ÷ 4000 +2 0x0002 0000 0000 0000 0010 +1 ÷ 4000 +1 0x0001 0000 0000 0000 0001 0 0 0x0000 0000 0000 0000 0000 −1 ÷ 4000 −1 0xFFFF 1111 1111 1111 1111 −2 ÷ 4000 −2 0xFFFE 1111 1111 1111 1110 −5 −20,000 0xB1E0 1011 0001 1110 0000 |
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