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TMS320F28075PZPQ bảng dữ liệu(PDF) 26 Page - Texas Instruments |
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TMS320F28075PZPQ bảng dữ liệu(HTML) 26 Page - Texas Instruments |
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26 / 188 page ![]() 26 TMS320F28076, TMS320F28075 SPRS902G – OCTOBER 2014 – REVISED NOVEMBER 2018 www.ti.com Submit Documentation Feedback Product Folder Links: TMS320F28076 TMS320F28075 Terminal Configuration and Functions Copyright © 2014–2018, Texas Instruments Incorporated (1) Pins not bonded out in a given package will have the internal pullups enabled by the Boot ROM. 4.3 Pins With Internal Pullup and Pulldown Some pins on the device have internal pullups or pulldowns. Table 4-2 lists the pull direction and when it is active. The pullups on GPIO pins are disabled by default and can be enabled through software. In order to avoid any floating unbonded inputs, the Boot ROM will enable internal pullups on GPIO pins that are not bonded out in a particular package. Other pins noted in Table 4-2 with pullups and pulldowns are always on and cannot be disabled. Table 4-2. Pins With Internal Pullup and Pulldown PIN RESET (XRS = 0) DEVICE BOOT APPLICATION SOFTWARE GPIOx Pullup disabled Pullup disabled(1) Pullup enable is application- defined TRST Pulldown active TCK Pullup active TMS Pullup active TDI Pullup active XRS Pullup active VREGENZ Pulldown active ERRORSTS Pulldown active Other pins No pullup or pulldown present |
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