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SC1100 Datasheet(PDF) 52 Page - National Semiconductor (TI) |
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SC1100 Datasheet(HTML) 52 Page - National Semiconductor (TI) |
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52 / 348 page  www.national.com 52 Revision 1.1 General Configuration Block (Continued) 14 LPCSEL (Select LPC Bus). Selects ball functions. 0: GPIO Signal 1: LPC Signal Ball # Name Add’l Dependencies Name Add’l Dependencies E26 GPIO32 None LAD0 None D25 GPIO33 None LAD1 None D26 GPIO34 None LAD2 None C25 GPIO35 None LAD3 None C26 GPIO36 None LDRQ# None B24 GPIO37 None LFRAME# None 13 Reserved: Write as read. 12 TRDESEL (Select TRDE#). Selects ball function. 0: Sub-ISA Signal 1: GPIO Signal Ball # Name Add’l Dependencies Name Add’l Dependencies B22 TRDE# None GPIO0 None 11:10 Reserved: Write as read. 9 IOCHRDY (Select IOCHRDY). Selects function for ball B23. 0: GPIO/Sub-ISA Signal 1: Sub-ISA Signal Ball # Name Add’l Dependencies Name Add’l Dependencies B23 GPIO17 PMR[5] = 0 IOCHRDY PMR[5] = 1 IOCS0# PMR[5] = 1 Undefined PMR[5] = 0 8 IDE1SEL (Select IDE Channel 1). Selects ball functions. Works in conjunction with PMR[18] and PMR[17]. See PMR[18] and PMR[17] for definitions. 7 DOCCSSEL (Select DOCCS#). Selects ball function. 0: GPIO Signal 1: Sub-ISA Signal Ball # Name Add’l Dependencies Name Add’l Dependencies D21 GPIO20 None DOCCS# None 6 Internal Test Signals 0. Selects functions for balls AE18 and C20. 0: Serial Port Signal 1: GPIO/Audio/Internal Test Signal Ball # Name Add’l Dependencies Name Add’l Dependencies AE18 IRRX1 Note GPIO16 PMR[0] = 0 and Note PC_BEEP PMR[0] = 1 and Note F_DEVSEL# PMR[27] or FPCI_MON = 1 F_DEVSEL# PMR[27] or FPCI_MON = 1 C20 IRTX PMR[29] = 0 GXCLK PMR[29] = 0 Undefined PMR[29] = 1 TEST3 PMR[29] = 1 Note: PMR[27] and FPCI_MON = 0. 5 IOCS0SEL (Select IOCS0#). Selects ball function. Works in conjunction with PMR[9]. See PMR[9] description. 4 INTCSEL (Select INTC#). Selects ball function. 0: GPIO Signal 1: PCI Signal Ball # Name Add’l Dependencies Name Add’l Dependencies Y24 GPIO19 None INTC# None 3 F5BAR5SEL (Select F5BAR5CS#). Selects ball function for ball A22. 0: GPIO Signal 1: Sub-ISA Signal Ball # Name Add’l Dependencies Name Add’l Dependencies A22 GPIO3 None F5BAR5CS# None 2 GPSEL0 (Select Functions/Commands). Works in conjunction with PMR[21]. See PMR[21] for definition. 1 F5BAR4SEL (Select F5BAR4CS#). Selects function for ball B21. 0: GPIO Signal 1: Sub-ISA Signal Ball # Name Add’l Dependencies Name Add’l Dependencies B21 GPIO2 None F5BAR4CS# None 0 PCBEEPSEL (Select PC_BEEP). Works in conjunction with PMR[6]. See PMR[6] for definition. Table 3-2. Multiplexing, Interrupt Selection, and Base Address Registers (Continued) Bit Description |
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