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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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SC1100 Fiches technique(PDF) 51 Page - National Semiconductor (TI) |
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SC1100 Fiches technique(HTML) 51 Page - National Semiconductor (TI) |
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51 / 348 page  Revision 1.1 51 www.national.com General Configuration Block (Continued) 25 AC97CKEN (Enable AC97_CLK Output). This bit enables the output drive of AC97_CLK (ball AC21). 0: AC97_CLK output is HiZ. 1: AC97_CLK output is enabled. 24:22 Reserved: Always write 0. 21 GPSEL1 (Select Functions/Commands). Selects ball functions. 0: GPIO/IO Command Signal 1: DOC/NAND Signal Ball # Name Add’l Dependencies Name Add’l Dependencies D22 GPIO14 PMR[2] = 0 IOR# PMR[2] = 0 IOCS1# PMR[2] = 1 DOCR# PMR[2] = 1 C22 IOW# PMR[2] = 0 IOW# PMR[2] = 0 GPIO15 PMR[2] = 1 DOCR# PMR[2] = 1 20 Reserved. Must be set to 0. 19 AB2SEL (Select ACCESS.bus 2). Selects ball functions. 0: GPIO Signal 1: ACCESS.bus 2 Signal Ball # Name Add’l Dependencies Name Add’l Dependencies AE23 GPIO12 PMR[27] and FPCI_MON = 0 AB2C PMR[27] and FPCI_MON = 0 F_AD3 PMR[27] or FPCI_MON = 1 F_AD3 PMR[27] or FPCI_MON = 1 AD23 GPIO13 PMR[27] and FPCI_MON = 0 AB2D PMR[27] and FPCI_MON = 0 F_AD4 PMR[27] or FPCI_MON = 1 F_AD4 PMR[27] or FPCI_MON = 1 18 SPSEL (Select SP Functions). Selects ball functions. 0: GPIO/IDE Signal 1: Serial Port Signal Ball # Name Add’l Dependencies Name Add’l Dependencies AD12 GPIO6 PMR[8] = 0 and Note DTR#/BOUT PMR[8] = 0 and Note IDE_IOR1# PMR[8] = 1 and Note Undefined PMR[8] = 1 and Note INTR_O PMR[27] or FPCI_MON = 1 INTR_O PMR[27] or FPCI_MON = 1 AE12 GPIO9 PMR[8] = 0 and Note DCD# PMR[8] = 0 and Note IDE_IOW1# PMR[8] = 1 and Note Undefined PMR[8] = 1 and Note F_IRDY# PMR[27] or FPCI_MON = 1 F_IRDY# PMR[27] or FPCI_MON = 1 AF12 GPIO10 PMR[8] = 0 and Note DSR# PMR[8] = 0 and Note IDE_IORDY1 PMR[8] = 1 and Note Undefined PMR[8] = 1 and Note F_FRAME# PMR[27] or FPCI_MON = 1 F_FRAME# PMR[27] or FPCI_MON = 1 AF19 GPIO11 PMR[8] = 0 RI# PMR[8] = 0 IRQ15 PMR[8] = 1 Undefined PMR[8] = 1 Note: PMR[27] and FPCI_MON = 0. 17 SPCRSEL (Select SP2 Flow Control). Selects ball functions. 0: GPIO/IDE Signal 1: Serial Port Signal Ball # Name Add’l Dependencies Name Add’l Dependencies AF11 GPIO7 PMR[8] = 0 and Note RTS PMR[8] = 0 and Note IDE_DACK1# PMR[8] = 1 and Note Undefined PMR[8] = 1 and Note F_C/BE3# PMR[27] or FPCI_MON = 1 F_C/BE3# PMR[27] or FPCI_MON = 1 AC12 GPIO8 PMR[8] = 0 and Note CTS# PMR[8] = 0 and Note IDE_DREQ1 PMR[8] = 1 and Note Undefined PMR[8] = 1 and Note SMI_O PMR[27] or FPCI_MON = 1 F_C/BE3# PMR[27] or FPCI_MON = 1 Note: PMR[27] and FPCI_MON = 0. 16 SERISEL (Select SERIRQ Function). Selects ball function. 0: GPIO Signal 1: Serial IRQ Signal Ball # Name Add’l Dependencies Name Add’l Dependencies A24 GPIO39 None SERIRQ None 15 Reserved: Always write 0. Table 3-2. Multiplexing, Interrupt Selection, and Base Address Registers (Continued) Bit Description |
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