| 전자부품 데이터시트 검색엔진 |
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PIC18F44J10-E/ML 데이터시트(PDF) 184 Page - Microchip Technology |
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PIC18F44J10-E/ML 데이터시트(HTML) 184 Page - Microchip Technology |
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184 / 358 page ![]() PIC18F45J10 FAMILY DS39682C-page 182 Preliminary © 2007 Microchip Technology Inc. FIGURE 15-27: BUS COLLISION DURING START CONDITION (SCLx = 0) FIGURE 15-28: BRG RESET DUE TO SDAx ARBITRATION DURING START CONDITION SDAx SCLx SEN bus collision occurs. Set BCLxIF. SCLx = 0 before SDAx = 0, Set SEN, enable Start sequence if SDAx = 1, SCLx = 1 TBRG TBRG SDAx = 0, SCLx = 1 BCLxIF S SSPxIF Interrupt cleared in software bus collision occurs. Set BCLxIF. SCLx = 0 before BRG time-out, ‘0’‘0’ ‘0’ ‘0’ SDAx SCLx SEN Set S Less than TBRG TBRG SDAx = 0, SCLx = 1 BCLxIF S SSPxIF S Interrupts cleared in software set SSPxIF SDAx = 0, SCLx = 1, SCLx pulled low after BRG time-out Set SSPxIF ‘0’ SDAx pulled low by other master. Reset BRG and assert SDAx. Set SEN, enable Start sequence if SDAx = 1, SCLx = 1 |
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