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ADIS16IMU1/PCBZ Datasheet(PDF) 30 Page - Analog Devices |
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ADIS16IMU1/PCBZ Datasheet(HTML) 30 Page - Analog Devices |
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30 / 38 page ![]() ADIS16486 Data Sheet Rev. 0 | Page 30 of 38 Table 154. FILTR_BNK_0 Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x16, 0x17 0x0000 R/W Yes Table 155. FILTR_BNK_0 Bit Definitions Bits Description (Default = 0x0000) 15 Don’t care 14 Y-axis accelerometer filter enable (1 = enabled) [13:12] Y-axis accelerometer filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D 11 X-axis accelerometer filter enable (1 = enabled) [10:9] X-axis accelerometer filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D 8 Z-axis gyroscope filter enable (1 = enabled) [7:6] Z-axis gyroscope filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D 5 Y-axis gyroscope filter enable (1 = enabled) [4:3] Y-axis gyroscope filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D 2 X-axis gyroscope filter enable (1 = enabled) [1:0] X-axis gyroscope filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D Table 156. FILTR_BNK_1 Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x18, 0x19 0x0000 R/W Yes Table 157. FILTR_BNK_1 Bit Definitions Bits Description (Default = 0x0000) [15:3] Don’t care 2 Z-axis accelerometer filter enable (1 = enabled) [1:0] Z-axis accelerometer filter bank selection: 00 = Bank A, 01 = Bank B, 10 = Bank C, 11 = Bank D Alarm Configuration, ALM_CNFG_0, ALM_CNFG_1 The ALM_CNFG_0 (see Table 158 and Table 159) and ALM_ CNFG_1 (see Table 160 and Table 161) registers provide three configuration control options for the alarm functions of each inertial sensor: on and off, polarity, and mode of operation (static and dynamic). Table 158. ALM_CNFG_0 Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x20, 0x21 0x0000 R/W Yes Solving for ΔX_ACCL_OUT, ΔZ_GYRO_OUT, ΔY_GYRO_OUT, and ΔX_GYRO_OUT Use Equation 2 to Equation 5 to solve for ΔX_ACCL_OUT, ΔZ_GYRO_OUT, ΔY_GYRO_OUT, and ΔX_GYRO_OUT in Bits[13:12], Bits[9:8], Bits[5:4], and Bits[1:0] in Table 159. ( ) ( ) 77 00 1 104 8 AA nn ΔX_ACCL_OUT X n X n = = = −− ∑ ∑ (2) where XA = X_ACCL_OUT. ( ) ( ) − − = ∑ ∑ = = 7 0 7 0 104 8 1 n G n G n Z n Z T ΔZ_GYRO_OU (3) where ZG = Z_GYRO_OUT. ( ) ( ) − − = ∑ ∑ = = 7 0 7 0 104 8 1 n G n G n Y n Y T ΔY_GYRO_OU (4) where YG = Y_GYRO_OUT. ( ) ( ) − − = ∑ ∑ = = 7 0 7 0 104 8 1 n G n G n X n X T ΔX_GYRO_OU (5) where XG = X_GYRO_OUT. Solving for ΔZ_ACCL_OUT and ΔY_ACCL_OUT Use Equation 6 and Equation 7 to solve for ΔZ_ACCL_OUT and ΔY_ACCL_OUT in Bits[5:4] and Bits[1:0] in Table 161. ( ) ( ) 77 00 1 104 8 AA nn ΔZ_ACCL_OUT Z n Z n = = = −− ∑∑ (6) where ZA = Z_ACCL_OUT. ( ) ( ) 77 00 1 104 8 AA nn ΔY_ACCL_OUT Y n Y n = = = −− ∑ ∑ (7) where YA = Y_ACCL_OUT. Table 159. ALM_CNFG_0 Bit Definitions Bits Description (Default = 0x0000) 15 X-axis accelerometer. 0: alarm is off, and 1: alarm is on. 14 Not used. [13:12] X-axis accelerometer polarity and mode settings. Select one of the four options for the condition that triggers the alarm (ALM_STS, Bit 3 = 1, see Table 24). 00: X_ACCL_OUT < XA_ALM_MAGN. 01: ΔX_ACCL_OUT < XA_ALM_MAGN (see Equation 2). 10: X_ACCL_OUT > XA_ALM_MAGN. 11: ΔX_ACCL_OUT > XA_ALM_MAGN (see Equation 2). 11 Z-axis gyroscope. 0: alarm is off, and 1: alarm is on. 10 Not used. [9:8] Z-axis gyroscope polarity and mode settings. Select one of the four options for the condition that triggers the alarm (ALM_STS, Bit 2 = 1, see Table 24). 00: Z_GYRO_OUT < ZG_ALM_MAGN. 01: ΔZ_GYRO_OUT < ZG_ALM_MAGN (see Equation 3). 10: Z_GYRO_OUT > ZG_ALM_MAGN. 11: ΔZ_GYRO_OUT > ZG_ALM_MAGN (see Equation 3). 7 Y-axis gyroscope. 0: alarm is off, and 1: alarm is on. 6 Not used. [5:4] Y-axis gyroscope polarity and mode settings. Select one of the four options for the condition that triggers the alarm (ALM_STS, Bit 1 = 1, see Table 24). 00: Y_GYRO_OUT < YG_ALM_MAGN. 01: ΔY_GYRO_OUT < YG_ALM_MAGN (see Equation 4). 10: Y_GYRO_OUT > YG_ALM_MAGN. 11: ΔY_GYRO_OUT > YG_ALM_MAGN (see Equation 4). |
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