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ADIS16IMU1/PCBZ Datasheet(PDF) 32 Page - Analog Devices |
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ADIS16IMU1/PCBZ Datasheet(HTML) 32 Page - Analog Devices |
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32 / 38 page  ADIS16486 Data Sheet Rev. 0 | Page 32 of 38 Y-Axis Accelerometer Alarm, YA_ALM_MAGN The YA_ALM_MAGN register (see Table 170 and Table 171) contains the alarm threshold for the y-axis accelerometer when ALM_CNFG_1, Bit 3 = 1 (see Table 161). This alarm is associated with the alarm flag in ALM_STS, Bit 4 (see Table 24). Table 170. YA_ALM_MAGN Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x30, 0x31 0x0000 R/W Yes Table 171. YA_ALM_MAGN Bit Definition Bits Description (Default = 0x0000) [15:0] Y-axis accelerometer alarm threshold settings, twos complement, 0 g = 0x0000, 1 LSB = 0.8 mg Z-Axis Accelerometer Alarm, ZA_ALM_MAGN The ZA_ALM_MAGN register (see Table 172 and Table 173) contains the alarm threshold for the z-axis accelerometer when ALM_CNFG_1, Bit 7 = 1 (see Table 161). This alarm is associated with the alarm flag in ALM_STS, Bit 5 (see Table 24). Table 172. ZA_ALM_MAGN Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x32, 0x33 0x0000 R/W Yes Table 173. ZA_ALM_MAGN Bit Definition Bits Description (Default = 0x0000) [15:0] Z-axis accelerometer alarm threshold settings, twos complement, 0 g = 0x0000, 1 LSB = 0.8 mg Firmware Revision, FIRM_REV The FIRM_REV register (see Table 174 and Table 175) provides the firmware revision for the internal firmware. This register uses a binary coded decimal (BCD) format, where each nibble represents a digit. For example, if FIRM_REV = 0x1234, the firmware revision is 12.34. Table 174. FIRM_REV Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x78, 0x79 Not applicable R Yes Table 175. FIRM_REV Bit Definitions Bits Description (No Default) [15:12] Firmware revision BCD code, tens digit, numerical format = 4-bit binary, range = 0 to 9 [11:8] Firmware revision BCD code, ones digit, numerical format = 4-bit binary, range = 0 to 9 [7:4] Firmware revision BCD code, tenths digit, numerical format = 4-bit binary, range = 0 to 9 [3:0] Firmware revision BCD code, hundredths digit, numerical format = 4-bit binary, range = 0 to 9 Firmware Revision Day and Month, FIRM_DM The FIRM_DM register (see Table 176 and Table 177) contains the month and day of the factory configuration date. FIRM_DM, Bits[15:12] and FIRM_DM, Bits[11:8] contain digits that represent the month of the factory configuration in a BCD format. For example, November is the 11th month in a year and is represented by FIRM_DM, Bits[15:8] = 0x11. FIRM_DM, Bits[7:4] and FIRM_DM, Bits[3:0] contain digits that represent the day of factory configuration in a BCD format. For example, the 27th day of the month is represented by FIRM_DM, Bits[7:0] = 0x27. Table 176. FIRM_DM Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x7A, 0x7B Not applicable R Yes Table 177. FIRM_DM Bit Definitions Bits Description (No Default) [15:12] Factory configuration month BCD code, tens digit, numerical format = 4-bit binary, range = 0 to 2 [11:8] Factory configuration month BCD code, ones digit, numerical format = 4-bit binary, range = 0 to 9 [7:4] Factory configuration day BCD code, tens digit, numerical format = 4-bit binary, range = 0 to 3 [3:0] Factory configuration day BCD code, ones digit, numerical format = 4-bit binary, range = 0 to 9 Firmware Revision Year, FIRM_Y The FIRM_Y register (see Table 178 and Table 179) contains the year of the factory configuration date. For example, the year, 2013, is represented by FIRM_Y = 0x2013. Table 178. FIRM_Y Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x7C, 0x7D Not applicable R Yes Table 179. FIRM_Y Bit Definitions Bits Description (No Default) [15:12] Factory configuration year BCD code, thousands digit, numerical format = 4-bit binary, range = 0 to 9 [11:8] Factory configuration year BCD code, hundreds digit, numerical format = 4-bit binary, range = 0 to 9 [7:4] Factory configuration year BCD code, tens digit, numerical format = 4-bit binary, range = 0 to 3 [3:0] Factory configuration year BCD code, ones digit, numerical format = 4-bit binary, range = 0 to 9 Boot Revision Number, BOOT_REV Table 180. BOOT_REV Register Definition Page ID Addresses Default Access Flash Backup 0x03 0x7E, 0x7F Not applicable R Yes Table 181. BOOT_REV Bit Definitions Bits Description (No Default) [15:8] Binary, major revision number [7:0] Binary, minor revision number Continuous SRAM Testing This device employs a CRC function on the SRAM memory blocks that contain the program code (CODE_SIGTR_xxx) and the calibration coefficients (CAL_DRVTN_xxx). This process operates in the background and generates real-time 32-bit CRC values for the program code and calibration coefficients, respectively. At the conclusion of each cycle, the processor writes these calculated |
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