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TUSB8044AI 数据表(PDF) 21 Page - Texas Instruments |
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TUSB8044AI 数据表(HTML) 21 Page - Texas Instruments |
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21 / 69 page  21 TUSB8044A www.ti.com SLLSF92A – FEBRUARY 2019 – REVISED MARCH 2019 Product Folder Links: TUSB8044A Submit Documentation Feedback Copyright © 2019, Texas Instruments Incorporated 8.3.5 One Time Programmable (OTP) Configuration The TUSB8044A allows device configuration through one time programmable non-volatile memory (OTP). The programming of the OTP is supported using vendor-defined USB device requests. For details using the OTP features please contact your TI representative. Table 6 provides a list features which may be configured using the OTP. Table 6. OTP Configurable Features CONFIGURATION REGISTER OFFSET BIT FIELD DESCRIPTION REG_01h [7:0] Vendor ID LSB REG_02h [7:0] Vendor ID MSB REG_03h [7:0] Product ID LSB REG_04h [7:0] Product ID MSB REG_05h [1] U1U2 Timer Ovr REG_06h [3:0] Battery Charger support for downstream ports 1 thru 4. REG_07h [0] Port removable configuration for downstream ports 1. OTP configuration is inverse of rmbl[3:0], i.e. 1 = not removable, 0 = removable. REG_07h [1] Port removable configuration for downstream ports 2. OTP configuration is inverse of rmbl[3:0], i.e. 1 = not removable, 0 = removable. REG_07h [2] Port removable configuration for downstream ports 3. OTP configuration is inverse of rmbl[3:0], i.e. 1 = not removable, 0 = removable. REG_07h [3] Port removable configuration for downstream ports 4. OTP configuration is inverse of rmbl[3:0], i.e. 1 = not removable, 0 = removable. REG_08h [3:0] Port used Configured register. REG_0Ah [1] Battery Charger Automatic Mode enable. REG_0Ah [4] High-current divider mode enable. REG_0Bh [0] USB 2.0 port polarity configuration for downstream ports 1. REG_0Bh [1] USB 2.0 port polarity configuration for downstream ports 2. REG_0Bh [2] USB 2.0 port polarity configuration for downstream ports 3. REG_0Bh [3] USB 2.0 port polarity configuration for downstream ports 4. REG_0Ch [1:0] Billboard AlternateModeVdo REG_0Ch [7:6] Billboard AlternateModeVdo REG_0Dh [4:2] Billboard AlternateModeVdo REG_0Eh [4:2] Billboard AlternateModeVdo REG_25h [4:0] Device Configuration Register 3 REG_26h [3:0] USB2.0 Only Port Register REG_F0h [3:1] USB BC power switch power off duration during automode. |
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