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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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DOC7707 数据表(PDF) 39 Page - List of Unclassifed Manufacturers |
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DOC7707 数据表(HTML) 39 Page - List of Unclassifed Manufacturers |
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39 / 307 page  39 7707F–AVR–11/10 AT90USB82/162 7. Power Distribution The AT90USB82/162 product includes an internal 5V to 3.3V regulator that allows to supply the USB pad (see Figure 7-1.) and, depending on the applica- tion, external components or even the microcontroller itself (see Figure 7-2.). Figure 7-1. 5V configuration Figure 7-2. 5V / 3.3V configuration USB Pad PS/2 Pad AVR Core I/O 3.3V Reg Comparator UVSS VSS UVCC UCAP VCC VBus or PS/2 Vcc (5V) Band Gap POR BOD PLL AVCC USB or PS/2 connector USB Pad PS/2 Pad AVR Core I/O 3.3V Reg Comparator UVSS VSS UVCC UCAP VCC VBus or PS/2 Vcc (5V) Band Gap POR BOD PLL AVCC USB or PS/2 connector at least 50 mA for external chips (3.3V) |
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