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ADIS16228/PCBZ 数据表(PDF) 19 Page - Analog Devices |
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ADIS16228/PCBZ 数据表(HTML) 19 Page - Analog Devices |
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19 / 28 page ![]() Data Sheet ADIS16228 Rev. B | Page 19 of 28 ALARM STATUS The ALM_x_STAT registers (see Table 37, Table 38, and Table 39) provide alarm bits for each spectral band on the current sample rate option. Table 37. ALM_X_STAT (Base Address = 0x40), Read Only Bits Description (Default = 0x0000) 15 Alarm 2 on Band 6; 1 = alarm set, 0 = no alarm 14 Alarm 1 on Band 6; 1 = alarm set, 0 = no alarm 13 Alarm 2 on Band 5; 1 = alarm set, 0 = no alarm 12 Alarm 1 on Band 5; 1 = alarm set, 0 = no alarm 11 Alarm 2 on Band 4; 1 = alarm set, 0 = no alarm 10 Alarm 1 on Band 4; 1 = alarm set, 0 = no alarm 9 Alarm 2 on Band 3; 1 = alarm set, 0 = no alarm 8 Alarm 1 on Band 3; 1 = alarm set, 0 = no alarm 7 Alarm 2 on Band 2; 1 = alarm set, 0 = no alarm 6 Alarm 1 on Band 2; 1 = alarm set, 0 = no alarm 5 Alarm 2 on Band 1; 1 = alarm set, 0 = no alarm 4 Alarm 1 on Band 1; 1 = alarm set, 0 = no alarm 3 Not used [2:0] Most critical alarm condition, spectral band; range = 1 to 6 Table 38. ALM_Y_STAT (Base Address = 0x42), Read Only Bits Description (Default = 0x0000) 15 Alarm 2 on Band 6; 1 = alarm set, 0 = no alarm 14 Alarm 1 on Band 6; 1 = alarm set, 0 = no alarm 13 Alarm 2 on Band 5; 1 = alarm set, 0 = no alarm 12 Alarm 1 on Band 5; 1 = alarm set, 0 = no alarm 11 Alarm 2 on Band 4; 1 = alarm set, 0 = no alarm 10 Alarm 1 on Band 4; 1 = alarm set, 0 = no alarm 9 Alarm 2 on Band 3; 1 = alarm set, 0 = no alarm 8 Alarm 1 on Band 3; 1 = alarm set, 0 = no alarm 7 Alarm 2 on Band 2; 1 = alarm set, 0 = no alarm 6 Alarm 1 on Band 2; 1 = alarm set, 0 = no alarm 5 Alarm 2 on Band 1; 1 = alarm set, 0 = no alarm 4 Alarm 1 on Band 1; 1 = alarm set, 0 = no alarm 3 Not used [2:0] Most critical alarm condition, spectral band; range = 1 to 6 Table 39. ALM_Z_STAT (Base Address = 0x44), Read Only Bits Description (Default = 0x0000) 15 14 Alarm 2 on Band 6; 1 = alarm set, 0 = no alarm Alarm 1 on Band 6; 1 = alarm set, 0 = no alarm 13 Alarm 2 on Band 5; 1 = alarm set, 0 = no alarm 12 Alarm 1 on Band 5; 1 = alarm set, 0 = no alarm 11 Alarm 2 on Band 4; 1 = alarm set, 0 = no alarm 10 Alarm 1 on Band 4; 1 = alarm set, 0 = no alarm 9 Alarm 2 on Band 3; 1 = alarm set, 0 = no alarm 8 Alarm 1 on Band 3; 1 = alarm set, 0 = no alarm 7 Alarm 2 on Band 2; 1 = alarm set, 0 = no alarm 6 Alarm 1 on Band 2; 1 = alarm set, 0 = no alarm 5 Alarm 2 on Band 1; 1 = alarm set, 0 = no alarm 4 Alarm 1 on Band 1; 1 = alarm set, 0 = no alarm 3 Not used [2:0] Most critical alarm condition, spectral band; range = 1 to 6 WORST-CASE CONDITION MONITORING The ALM_x_PEAK registers (see Table 40, Table 41, and Table 42) contain the peak magnitude for the worst-case alarm condition in each axis. The ALM_x_FREQ registers (see Table 43, Table 44, and Table 45) contain the frequency bin number for the worst-case alarm condition. Table 40. ALM_X_PEAK (Base Address = 0x46), Read Only Bits Description (Default = 0x0000) [15:0] Alarm peak, x-axis, accelerometer data format Table 41. ALM_Y_PEAK (Base Address = 0x48), Read Only Bits Description (Default = 0x0000) [15:0] Alarm peak, y-axis, accelerometer data format Table 42. ALM_Z_PEAK (Base Address = 0x4A), Read Only Bits Description (Default = 0x0000) [15:0] Alarm peak, z-axis, accelerometer data format Table 43. ALM_X_FREQ (Base Address = 0x70), Read Only Bits Description (Default = 0x0000) [15:8] Not used [7:0] Alarm frequency for x-axis peak alarm level, FFT bin number; range = 0 to 255 Table 44. ALM_Y_FREQ (Base Address = 0x72), Read Only Bits Description (Default = 0x0000) [15:8] Not used [7:0] Alarm frequency for y-axis peak alarm level, FFT bin number; range = 0 to 255 Table 45. ALM_Z_FREQ (Base Address = 0x74), Read Only Bits Description (Default = 0x0000) [15:8] Not used [7:0] Alarm frequency for z-axis peak alarm level, FFT bin number; range = 0 to 255 |
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