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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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DAC39RFS10 Scheda tecnica(PDF) 97 Page - Texas Instruments |
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DAC39RFS10 Scheda tecnica(HTML) 97 Page - Texas Instruments |
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97 / 177 page  Table 7-57. JTIMER Register Field Descriptions (continued) Bit Field Type Reset Description 2-0 JTT R/W 0b JESD204C watchdog counter threshold. When the watchdog counter reaches the threshold defined by JTT, the PHY layer is reset (including the PHY PLL(s) if JTPLL=1) and the watchdog timer is reset. Larger values of JTT cause the watchdog timer to take longer to intervene. JTT : Watchdog Counter Threshold : Counter Duration [assuming FCLK = 10.24 GHz 0 : <Watchdog Timer Disabled> : <disabled> 1 : 217 : 102.4 μs 2 : 219 : 409.6 μs 3 : 232 : 1.63 ms 4 : 223 : 6.55 ms 5-7 : RESERVED : RESERVED Note: The watchdog may not detect link up events shorter than 210 (1024) CLK cycles. 7.5.3.25 SYNC_EPW Register (Offset = 0127h) [reset = 00h] SYNC_EPW is shown in Figure 7-86 and described in Table 7-58. Return to the Register Summary Table. JESD204C SYNC Error Report Pulse Width Figure 7-86. SYNC_EPW Register 7 6 5 4 3 2 1 0 RESERVED SYNC_EPW R/W-00h R/W-000b Table 7-58. SYNC_EPW Register Field Descriptions Bit Field Type Reset Description 7-3 RESERVED R/W 00h 2-0 SYNC_EPW R/W 000b Specifies the pulse width of SYNC that is used for reporting errors to the transmitter. When an error is detected that does not require link resynchronization, SYNC is asserted for SYNC_EPW link clock cycles (equal to 4*SYNC_EPW character durations). To disable error reporting over SYNC, set SYNC_EPW=0. The legal range for SYNC_EPW is 0 to 7. Note: This register should only be changed when JESD_EN= 0. 7.5.3.26 CRC_TH Register (Offset = 0128h) [reset = 00h] CRC_TH is shown in Figure 7-87 and described in Table 7-59. Return to the Register Summary Table. JESD204C CRC Error Thresholds Figure 7-87. CRC_TH Register 7 6 5 4 3 2 1 0 RESERVED CRC_ERR_REC CFC_ERR_TH R/W-0h R/W-00b R/W-00b www.ti.com DDS39RF12, DDS39RFS12 SBASB21 – SEPTEMBER 2024 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 97 Product Folder Links: DDS39RF12 DDS39RFS12 |
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