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TUSB1104 Datasheet(PDF) 34 Page - Texas Instruments |
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TUSB1104 Datasheet(HTML) 34 Page - Texas Instruments |
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34 / 55 page  Table 7-13. TX1EQ_CTRL Register Field Descriptions Bit Field Type Reset Description 7-6 SSRX1_PRESHOOT R/W 1h SSRX1 TX preshoot level (pre-cursor). 0h = 1.5dB 1h = 2dB 2h = 2.3dB 3h = 2.8dB 5 SSRX1_PRESHOOT_EN R/W 1h SSRX1 TX preshoot (pre-cursor) enabled. Valid only when SSRX_LIMIT_ENABLE = 1. 0h = Disabled (0dB) 1h = Enabled 4-3 SSRX1_DEEMPHASIS R/W 1h SSRX1 TX de-emphasis level (post-cursor) 0h = -1.5dB 1h = -2.1dB 2h = -3.2dB 3h = -3.8dB 2 SSRX1_DEEMPHASIS_E N R/W 1h SSRX1 TX de-emphasis (post-cursor) enable. Valid only when SSRX_LIMIT_ENABLE = 1. 0h = Disabled (0dB) 1h = Enabled 1-0 RESERVED R/W 3h Reserved 7.6.1.4 TX2EQ_CTRL Register (Offset = Ch) [Reset = 6Ch] TX2EQ_CTRL is shown in Table 7-14. Return to the Summary Table. This register controls the pre-shoot and de-emphasis levels for SSRX2 when limited redriver mode is enabled. Table 7-14. TX2EQ_CTRL Register Field Descriptions Bit Field Type Reset Description 7-6 SSRX2_PRESHOOT R/W 1h SSRX2 TX preshoot level (pre-cursor). 0h = 1.5dB 1h = 2dB 2h = 2.3dB 3h = 2.8dB 5 SSRX2_PRESHOOT_EN R/W 1h SSRX2 TX preshoot (pre-cursor) enabled. Valid only when SSRX_LIMIT_ENABLE = 1. 0h = Disabled (0dB) 1h = Enabled 4-3 SSRX2_DEEMPHASIS R/W 1h SSRX2 TX de-emphasis level (post-cursor) 0h = -1.5dB 1h = -2.1dB 2h = -3.2dB 3h = -3.8dB 2 SSRX2_DEEMPHASIS_E N R/W 1h SSRX2 TX de-emphasis (post-cursor) enable. Valid only when SSRX_LIMIT_ENABLE = 1. 0h = Disabled (0dB) 1h = Enabled 1-0 RESERVED R 0h Reserved 7.6.1.5 AEQ_CONTROL1 Register (Offset = 1Ch) [Reset = 85h] AEQ_CONTROL1 is shown in Table 7-15. Return to the Summary Table. This register is used to enable adaptive EQ and select between Fast and Full adaptive EQ. TUSB1104 SLLSFL1 – APRIL 2022 www.ti.com 34 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: TUSB1104 |
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