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AD9174 Datasheet(PDF) 122 Page - Analog Devices |
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AD9174 Datasheet(HTML) 122 Page - Analog Devices |
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122 / 164 page  AD9174 Data Sheet Rev. A | Page 122 of 164 Addr. Name Bits Bit Name Settings Description Reset Access 0 PHY_TEST_RESET Resets PHY PRBS test state machine and error counters. 0x0 R/W 0 Not reset. 1 Reset. 0x317 PHY_PRBS_TEST_ THRESHOLD_ LOBITS [7:0] PHY_PRBS_ THRESHOLD_ LOBITS Bits[7:0] of the 24-bit threshold value to set the error flag for the PHY PRBS test. 0x0 R/W 0x318 PHY_PRBS_TEST_ THRESHOLD_ MIDBITS [7:0] PHY_PRBS_ THRESHOLD_ MIDBITS Bits[15:8] of the 24-bit threshold value to set the error flag for the PHY PRBS test. 0x0 R/W 0x319 PHY_PRBS_TEST_ THRESHOLD_HIBITS [7:0] PHY_PRBS_ THRESHOLD_ HIBITS Bits[23:16] of the 24-bit threshold value to set the error flag for the PHY PRBS test. 0x0 R/W 0x31A PHY_PRBS_TEST_ ERRCNT_LOBITS [7:0] PHY_PRBS_ERR_ CNT_LOBITS Bits[7:0] of the 24-bit reported PHY BER error count from the selected lane. 0x0 R 0x31B PHY_PRBS_TEST_ ERRCNT_MIDBITS [7:0] PHY_PRBS_ERR_ CNT_MIDBITS Bits[15:8] of the 24-bit reported PHY BER error count from the selected lane. 0x0 R 0x31C PHY_PRBS_TEST_ ERRCNT_HIBITS [7:0] PHY_PRBS_ERR_ CNT_HIBITS Bits[23:16] of the 24-bit reported PHY BER error count from the selected lane. 0x0 R 0x31D PHY_PRBS_TEST_ STATUS [7:0] PHY_PRBS_PASS Reports PHY BER pass/fail for each lane. Bit x is high when Lane x passes. 0xFF R 0x31E PHY_DATA_ SNAPSHOT_CTRL [7:2] RESERVED Reserved. 0x0 R 1 PHY_GRAB_MODE This bit determines whether to use the trigger to grab data. 0x0 R/W 0 Grab data when PHY_GRAB_DATA is set. 1 Grab data upon bit error. 0 PHY_GRAB_DATA Transitioning this bit from 0 to 1 causes the logic to store current receive data from one lane. 0x0 R/W 0x31F PHY_SNAPSHOT_ DATA_BYTE0 [7:0] PHY_SNAPSHOT_D ATA_BYTE0 Current data received. Represents PHY_SNAPSHOT_DATA[7:0]. 0x0 R 0x320 PHY_SNAPSHOT_ DATA_BYTE1 [7:0] PHY_SNAPSHOT_D ATA_BYTE1 Current data received. Represents PHY_SNAPSHOT_DATA[15:8]. 0x0 R 0x321 PHY_SNAPSHOT_ DATA_BYTE2 [7:0] PHY_SNAPSHOT_D ATA_BYTE2 Current data received. Represents PHY_SNAPSHOT_DATA[23:16]. 0x0 R 0x322 PHY_SNAPSHOT_ DATA_BYTE3 [7:0] PHY_SNAPSHOT_D ATA_BYTE3 Current data received. Represents PHY_SNAPSHOT_DATA[31:24]. 0x0 R 0x323 PHY_SNAPSHOT_ DATA_BYTE4 [7:0] PHY_SNAPSHOT_D ATA_BYTE4 Current data received. Represents PHY_SNAPSHOT_DATA[39:32]. 0x0 R |
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