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AD9166 Datasheet(PDF) 89 Page - Analog Devices |
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AD9166 Datasheet(HTML) 89 Page - Analog Devices |
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89 / 138 page ![]() Data Sheet AD9166 Rev. 0 | Page 89 of 138 Hex. Addr. Register Name Bit No. Bit Name Settings Description Reset Access 0x14B PRBS 7 PRBS_GOOD_Q Good data indicator, imaginary channel. 0x0 R 0 Incorrect sequence detected. 1 Correct PRBS sequence detected. 6 PRBS_GOOD_I Good data indicator, real channel. 0x0 R 0 Incorrect sequence detected. 1 Correct PRBS sequence detected. 5 Reserved Reserved. 0x0 R 4 PRBS_INV_Q Data inversion, imaginary channel. 0x1 R/W 0 Expect normal data. 1 Expect inverted data. 3 PRBS_INV_I Data inversion, real channel. 0x0 R/W 0 Expect normal data. 1 Expect inverted data. 2 PRBS_MODE Polynomial select. 0x0 R/W 07-bit: x7 + x6 + 1. 1 15-bit: x15 + x14 + 1. 1 PRBS_RESET Reset error counters. 0x0 R/W 0 Normal operation. 1 Reset counters. 0 PRBS_EN Enable PRBS checker. 0x0 R/W 0 Disable. 1Enable. 0x14C PRBS_ERROR_I [7:0] PRBS_COUNT_I Error count value real channel. 0x0 R 0x14D PRBS_ERROR_Q [7:0] PRBS_COUNT_Q Error count value imaginary channel. 0x0 R 0x14E TEST_DC_DATA1 [7:0] DC_TEST_DATA[15:8] DC test data. 0x0 R/W 0x14F TEST_DC_DATA0 [7:0] DC_TEST_DATA[7:0] DC test data. 0x0 R/W 0x150 DIG_TEST [7:2] Reserved Reserved. 0x0 R 1 DC_TEST_EN DC data test mode enable. 0x0 R/W 1 DC test mode enable. 0 DC test mode disable. 0 Reserved Reserved. 0x0 R/W 0x151 DECODE_CTRL [7:3] Reserved Reserved. 0x0 R/W 2 Shuffle Shuffle mode. Enables shuffle mode for improved spurious performance. 0x0 R/W 0 Disable MSB shuffling (use thermometer encoding). 1 Enable MSB shuffling. [1:0] Reserved Reserved. 0x0 R/W 0x152 DECODE_MODE [7:2] Reserved Reserved. 0x0 R [1:0] DECODE_MODE Decode mode. 0x0 R/W 00 NRZ mode (first Nyquist). 01 Mix mode (second Nyquist). 10 Return to zero. 11 Reserved. 0x1DF SPI_STRENGTH [7:4] Reserved Reserved. 0x0 R [3:0] SPIDRV Slew and drive strength for CMOS SPI outputs. Slew = Bits[1:0], drive = Bits[3:2]. 0xF R/W |
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