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FDC37B727 データシート(PDF) 11 Page - SMSC Corporation |
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FDC37B727 データシート(HTML) 11 Page - SMSC Corporation |
11 / 244 page 11 GENERAL PURPOSE I/O PINS TABLE 3 - GENERAL PURPOSE I/O PIN FUNCTIONS PIN NO. QFP DEFAULT FUNCTION ALTERNATE FUNCTION 1 ALTERNATE FUNCTION 2 ALTERNATE FUNCTION 3 BUFFER TYPE 5 INDEX REG. GPIO 77 GPIO nSMI - - IOP4/(OP12/ OD12) GP1 GP10 78 GPIO nRING EETI 1 - IOP4/I/I GP1 GP11 79 GPIO WDT P17/P12 4 EETI 1 IOP4/O4/IO4/I GP1 GP12 80 GPIO LED - - IOP4/O24 GP1 GP13 81 GPIO IRRX2 - - IOP4/I GP1 GP14 82 GPIO IRTX2 - - IOP4/O24 GP1 GP15 4 nMTR1 GPIO - - (O24/OD24)/ IOP4 GP1 GP16 6 nDS1 GPIO - - (O24/OD24)/ IOP4 GP1 GP17 39 PCI_CLK IRQ14 GPIO - CLKIN/(O12/ OD12)/IOP4 GP5 GP50 2 DRVDEN1 GPIO IRQ8 nSMI (O24/OD24) /IOP4/ (OP12/OD12)/ (OP12/OD12) GP5 GP52 91 nROMCS 2 IRQ11 GPIO EETI 1 IO12/(O12/ OD12)/IOP4/I GP5 GP53 92 nROMOE 2 IRQ12 GPIO EETI 1 IO12/(O12/ OD12)/IOP4/I GP5 GP54 83 RD0 2,3 IRQ1 GPIO nSMI IO12/(O12/ OD12)/IOP4/ (OP12/OD12) GP6 GP60 84 RD1 2,3 IRQ3 GPIO LED IO12/(O12/ OD12)/IOP4/ O24 GP6 GP61 85 RD2 2,3 IRQ4 GPIO nRING IO12/(O12/ OD12)/IOP4/I GP6 GP62 86 RD3 2,3 IRQ5 GPIO WDT IO12/(O12/ OD12)/IOP4/ O4 GP6 GP63 87 RD4 2,3 IRQ6 GPIO P17/P12 4 IO12/(O12/ OD12)/IOP4/ IO4 GP6 GP64 88 RD5 2,3 IRQ7 GPIO - IO12/(O12/ OD12)/IOP4 GP6 GP65 89 RD6 2,3 IRQ8 GPIO - IO12/(OP12/ OD12)/IOP4 GP6 GP66 90 RD7 2,3 IRQ10 GPIO - IO12/(O12/ OD12)/IOP4 GP6 GP67 Note 1: Either Edge Triggered Interrupt Inputs. Note 2: At power-up, RD0-7, nROMCS and nROMOE function as the XD Bus. To use RD0-7 for alternate functions, nROMCS must stay high until those pins are finished being programmed. Note 3: These pins cannot be programmed as open drain pins in their original function. Note 4: The function of P17 or P12 is selected via the P17/P12 select bit in the Ring Filter Select Register in Logical Device 8 at 0xC6. Default is P17. |
同様の部品番号 - FDC37B727 |
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同様の説明 - FDC37B727 |
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