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数据搜索系统，热门电子元器件搜索 |
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ADIS16COM1/PCBZ 数据表(PDF) 30 Page - Analog Devices |
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ADIS16COM1/PCBZ 数据表(HTML) 30 Page - Analog Devices |
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30 / 37 page  ADIS16000/ADIS16229 Preliminary Technical Data Rev. PrA | Page 30 of 37 SYSTEM TOOLS GLOBAL COMMANDS The GLOB_CMD register (see Table 74) provides an array of single-write commands for convenience. Setting the assigned bit to 1 activates each function. When the function completes, the bit restores itself to 0. For example, clear the capture buffers by setting GLOB_CMD[8] = 1 (DIN = 0xB701). All of the commands in the GLOB_CMD register require that the power supply be within normal limits for the execution times listed in Table 74. Table 74. GLOB_CMD Page 1-6, Low Byte Address = 0x36, Write Only Bits Description Execution Time 15 Clear autonull correction 35 μs 14 Retrieve spectral alarm band infor- mation from the ALM_PNTR setting 40 μs 13 Retrieve record data from flash memory 1.9 ms 12 Save spectral alarm band registers to SRAM 461 μs 11 Record start/stop N/A 10 Set BUF_PNTR = 0x0000 36 μs 9 Clear spectral alarm band registers from flash memory 25.8 ms 8 Clear records 25.9 ms 7 Software reset 52 ms 6 Save registers to flash memory 29.3 ms 5 Flash test, compare sum of flash memory with factory value 5 ms 4 Clear DIAG_STAT register 36 μs 3 Restore factory register settings and clear the capture buffers 84 ms 2 Self-test, result in DIAG_STAT[5] 32.9 ms 1 Power-down N/A 0 Autonull 822 ms DEVICE IDENTIFICATION Table 75. LOT_ID1 Page = 0, Low Byte Address = 0x1A, Read Only Bits Description [15:0] Lot identification code Table 76. LOT_ID1 Page = 1-6, Low Byte Address = 0x68, Read Only Bits Description [15:0] Lot identification code Table 77. LOT_ID2 Page 0, Low Byte Address = 0x1C, Read Only Bits Description [15:0] Lot identification code Table 78. LOT_ID2 Page 1-6, Low Byte Address = 0x6A, Read Only Bits Description [15:0] Lot identification code Table 79. PROD_ID Page 0, Low Byte Address = 0x16), Read Only Bits Description (Default = 0x3E80 [15:0] 0x3E80 = 16,000 Table 80. PROD_ID Page 0, Low Byte Address = 0x48), Read Only Bits Description (Default = 0x3E80 [15:0] 0x3F65 = 16,229 Table 81. SERIAL_NUM (Base Address = 0x58), Read Only Bits Description [15:0] Serial number, lot specific Table 82 shows a blank register that is available for writing user- specific identification. Table 82. USER_ID (Base Address = 0x5C), Read/Write Bits Description (Default = 0x000) [15:0] User-written identification Table 83. GPO_CTRL Page 0, Low Byte Address = 0x2A, Read/Write Bits Description (Default = 0x) [15:6] Not used [5:4] DO2 Function selection 00 = General purpose 01 = Alarm indicator 10 = Busy indicator/data-ready (real-time mode) 11 = Not used [3:2] DO1 Function selection 00 = General purpose 01 = Alarm indicator 10 = Busy indicator/data-ready (real-time mode) 11 = Not used 1 DO2 Polarity 1 = active high |
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