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TUSB1142 Datasheet(PDF) 39 Page - Texas Instruments |
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TUSB1142 Datasheet(HTML) 39 Page - Texas Instruments |
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39 / 55 page  7.6.1.14 AEQ2_STATUS Register (Offset = 3Ch) [Reset = 00h] AEQ2_STATUS is shown in Table 7-24. Return to the Table 7-9. This register provides the status of AEQ function. Table 7-24. AEQ2_STATUS Register Field Descriptions Bit Field Type Reset Description 7-5 RESERVED R 0h Reserved 4 RESERVED RH 0h Reserved 3-0 AEQ2_EQ_STAT RH 0h Optimal EQ determined by FSM after the completion of Full AEQ. This field will also indicate EQ used for Fast AEQ. This field will include the value programmed into OVER_EQ_CTRL field. 7.6.1.15 AEQ_CONTROL_AUX1 Register (Offset = 50h) [Reset = 00h] AEQ_CONTROL_AUX1 is shown in Table 7-25. Return to the Table 7-9. Table 7-25. AEQ_CONTROL_AUX1 Register Field Descriptions Bit Field Type Reset Description 7-6 RESERVED R 0h Reserved 5-2 RESERVED R 0h Reserved 1-0 RESERVED R 0h Reserved 7.6.1.16 AEQ_CONTROL_AUX2 Register (Offset = 51h) [Reset = 07h] AEQ_CONTROL_AUX2 is shown in Table 7-26. Return to the Table 7-9. Table 7-26. AEQ_CONTROL_AUX2 Register Field Descriptions Bit Field Type Reset Description 7-5 RESERVED R 0h Reserved 4 EQ_MERGE R/W 0h Initial EQ result merge control. This field controls how the EQ results from the positive and negative VOD offsets steps are merged to produce the initial EQ value. This field is applicable only when the AEQ_MODE field is set to 2'b10. 0h = Use max of pos/neg VOD EQs 1h = Use min of pos/neg VOD EQs 3-0 MID_HC_EQ R/W 7h Sets EQ value during the mid-eye hit-count capture step. This field is applicable only when the AEQ_MODE field is set to 2'b10 or 2'b11. 7.6.1.17 AEQ_CONTROL_AUX3 Register (Offset = 52h) [Reset = 86h] AEQ_CONTROL_AUX3 is shown in Table 7-27. Return to the Table 7-9. Table 7-27. AEQ_CONTROL_AUX3 Register Field Descriptions Bit Field Type Reset Description 7-5 HC_EQ_THR R/W 4h Sets the hit-count threshold during the EQ search steps. The algorithm will find the minimum EQ setting such that the hit- count is at or above value N_eq, where: N_eq = HC_me * (128- HC_EQ_THR)/128 and HC_me is the mid-eye hit-count. This field is applicable only when the AEQ_MODE field is set to 2'b10. www.ti.com TUSB1142 SLLSFL2 – APRIL 2022 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 39 Product Folder Links: TUSB1142 |
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