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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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MCP2221 数据表(PDF) 11 Page - Microchip Technology |
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MCP2221 数据表(HTML) 11 Page - Microchip Technology |
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11 / 80 page  2015 Microchip Technology Inc. DS20005292B-page 11 MCP2221 REGISTER 1-10: USBREQCRT REGISTER R/W-0 R/W-0 R/W-1 R/W-1 R/W-0 R/W-0 R/W-1 R/W-0 USBREQC RT7 USBREQCRT 6 USBREQCRT 5 USBREQCR T4 USBREQCR T3 USBREQCR T2 USBREQCR T1 USBREQC RT0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 USBREQCRT<7:0>: USB Bus-Powered Required Current Amount (in units of 2 mA) Factory default is 50 (decimal); the USB enumeration interprets this value as a current requirement of 100 mA. REGISTER 1-11: PASS0 – PASS7 REGISTER R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 PASSx7 PASSx6 PASSx5 PASSx4 PASSx3 PASSx2 PASSx1 PASSx0 bit 7 bit 0 Legend: R = Readable bit W = Writable bit U = Unimplemented bit, read as ‘0’ -n = Value at POR ‘1’ = Bit is set ‘0’ = Bit is cleared x = Bit is unknown bit 7-0 PASSx<7:0>: Password Byte X Value (factory default is 0) |
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