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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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MPC8280 데이터시트(PDF) 621 Page - Freescale Semiconductor, Inc |
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MPC8280 데이터시트(HTML) 621 Page - Freescale Semiconductor, Inc |
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621 / 1386 page  CPM Multiplexing MPC8280 PowerQUICC II Family Reference Manual, Rev. 1 Freescale Semiconductor 16-9 Figure 16-5. Connection of the Master Address • For slave mode—The user has two groups of five address pins each. The user decides which FCC uses each pin by programming CMXUAR[SADx]. Connect any UTOPIA pins that are not connected to MPC8280 pins to GND. See Figure 16-6. Figure 16-6. Connection of the Slave Address FCC1 FCC2 M S M S M S M S 5 5 5 5 5 5 5 5 8 5 8 5 0 1 2 3 4 4 3 2 1 0 These three bits always relate These three bits always relate to FCC2 master Pins to an FCC1 master. These two address bits relate to the master of FCC1 or FCC2 according to the programming. Bit 4 is the msb. FCC1 FCC2 M S M S M S M S 5 5 5 5 5 5 5 5 8 5 8 5 0 1 2 3 4 4 3 2 1 0 Pins These 5 address bits relate to the slave of FCC1 or FCC2 according to the programming. Bit 4 is the msb. NOTE: To use FCC2 as shown, connect the FCC2 address bits reversed with respect to the pinout address indexes. PHY address pins with no pin connection should be connected to GND. |
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