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数据搜索系统，热门电子元器件搜索 |
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USB2240 数据表(PDF) 28 Page - Microchip Technology |
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USB2240 数据表(HTML) 28 Page - Microchip Technology |
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28 / 43 page  USB224X DS00001979A-page 28 2010 - 2015 Microchip Technology Inc. 8.0 PIN RESET STATES 8.1 USB2240/40I/41/41I Pin Reset States FIGURE 8-1: PIN RESET STATES TABLE 8-1: LEGEND FOR PIN RESET STATES TABLE Symbol Description 0 Output driven low 1 Output driven high IP Input enabled PU Hardware enables pull-up PD Hardware enables pull-down -- Hardware disables function Z Hardware disables pad. Both output driver and input buffers are disabled. TABLE 8-2: USB2240/40I/41/41I 36-PIN RESET STATES Reset State Pin Pin Name Function Input/ Output PU/PD 8 xD_D0 / SD_D6 / MS_D7 none z -- 7 xD_D1 / SD_D7 / MS_D6 none z -- 5 xD_D2 / SD_D0 / MS_D4 none z -- 4 xD_D3 / SD_D1 / MS_D5 none z -- 30 xD_D4 / SD_WP / MS_SCLK SD_WP 0 -- 25 xD_D5 / SD_D2 none z -- 26 SD_nCD none IP pu 24 MS_INS none IP pu Voltage Signal (v) Time (t) RESET RESET Hardware Initialization Firmware Operational VDD33 VSS |
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