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TUSB1004 датащи(PDF) 32 Page - Texas Instruments |
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TUSB1004 датащи(HTML) 32 Page - Texas Instruments |
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32 / 53 page ![]() Table 7-9. TUSB1004 Access Type Codes (continued) Access Type Code Description W1S W 1S Write 1 to set WtoP W Write Reset or Default Value -n Value after reset or the default value 7.6.1.1 Rev_ID Register (Offset = 8h) [Reset = 01h] Rev_ID is shown in Table 7-10. Return to the Table 7-8. Table 7-10. Rev_ID Register Field Descriptions Bit Field Type Reset Description 7-0 REVISION_ID RH 1h Device Revision 7.6.1.2 General_1 Register (Offset = Ah) [Reset = 00h] General_1 is shown in Table 7-11. Return to the Table 7-8. This register is used to enable USB. Software should set EQ_OVERRIDE bit in order for EQ registers to be used instead of pins. Table 7-11. General_1 Register Field Descriptions Bit Field Type Reset Description 7 SSRX_LIMIT_ENABLE R/W 0h Limited redriver mode enable for SSRX transmitter. 0h = Linear Redriver 1h = Limited Redriver 6 RESERVED R 0h Reserved 5 RESERVED R 0h Reserved 4 EQ_OVERRIDE R/W 0h Setting this field will allow software to use EQ settings from registers instead of value sampled from pins. 0h = EQ settings based on sampled state of EQ pins. 1h = EQ settings based on programmed value of each of the EQ registers. 3 RESERVED R 0h Reserved 2 RESERVED R/W 0h Reserved 1-0 CTLSEL R/W 0h Controls whether USB is enabled or not. Program USB_MODE field before enabling USB operation. 0h = Disabled 1h = USB enabled. 2h = Disabled 3h = USB enabled 7.6.1.3 TX1EQ_CTRL Register (Offset = Bh) [Reset = 6Fh] TX1EQ_CTRL is shown in Table 7-12. Return to the Table 7-8. This register controls the pre-shoot and de-emphasis levels for SSRX1 when limited redriver mode is enabled. TUSB1004 SLLSFL3 – APRIL 2022 www.ti.com 32 Submit Document Feedback Copyright © 2022 Texas Instruments Incorporated Product Folder Links: TUSB1004 |
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