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SC1100 Datasheet(PDF) 285 Page - National Semiconductor (TI) |
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SC1100 Datasheet(HTML) 285 Page - National Semiconductor (TI) |
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285 / 348 page  Revision 1.1 285 www.national.com Electrical Specifications (Continued) 7.1.6 Pull-Up and Pull-Down Resistors The following table lists input balls that are internally con- nected to a pull-up or pull-down resistor. If these balls are not used, they do not require connection to an external pull-up or pull-down resistor. Note: The resistors described in this table are imple- mented as transistors. Table 7-6. Balls with PU/PD Resistors Signal Name Ball No. PU/ PD Typ1 Value [ Ω] Conditions PCI FRAME# P25 PU 22.5K @ VIN = VSS C/BE[3:0]# V26, R26, G24, E24 PU 22.5K @ VIN = VSS PAR H24 PU 22.5K @ VIN = VSS IRDY# P26 PU 22.5K @ VIN = VSS TRDY# N25 PU 22.5K @ VIN = VSS STOP# M25 PU 22.5K @ VIN = VSS DEVSEL# N26 PU 22.5K @ VIN = VSS PERR# J24 PU 22.5K @ VIN = VSS SERR# L25 PU 22.5K @ VIN = VSS REQ3# T24 PU 22.5K @ VIN = VSS REQ2# AC26 PU 22.5K @ VIN = VSS REQ1# AA25 PU 22.5K @ VIN = VSS REQ0# AA26 PU 22.5K @ VIN = VSS INTA# AD26 PU 22.5K @ VIN = VSS INTB# W24 PU 22.5K @ VIN = VSS INTC# Y24 PU 22.5K @ VIN = VSS INTD# V24 PU 22.5K @ VIN = VSS Low Pin Count (LPC) LAD[3:0] C25, D26, D25, E26 PU 22.5K @ VIN = VSS LDRQ# C26 PU 22.5K @ VIN = VSS SERIRQ A24 PU 22.5K @ VIN = VSS System (Straps) CLKSEL[3:0] AE22, AD22, AD25, D23 PD 100K @ VIN = VIO BOOT16 C23 PD 100K @ VIN = VIO FPCI_MON AB25 PD 100K @ VIN = VIO LPC_ROM AB26 PD 100K @ VIN = VIO ACCESS.bus2 AB1C Y1 PU 22.5K @ VIN = VSS AB1D Y2 PU 22.5K @ VIN = VSS AB2C AE23 PU 22.5K @ VIN = VSS AB2D AD23 PU 22.5K @ VIN = VSS JTAG TCK AE20 PU 22.5K @ VIN = VSS TMS AF21 PU 22.5K @ VIN = VSS TDI AF20 PU 22.5K @ VIN = VSS TRST# AC20 PU 22.5K @ VIN = VSS GPIO2 GPIO0 B22 PU 22.5K @ VIN = VSS GPIO1 AD24 PU 22.5K @ VIN = VSS GPIO2 B21 PU 22.5K @ VIN = VSS GPIO3 A22 PU 22.5K @ VIN = VSS GPIO6 AD12 PU 22.5K @ VIN = VSS GPIO7 AF11 PU 22.5K @ VIN = VSS GPIO8 AC12 PU 22.5K @ VIN = VSS GPIO9 AE12 PU 22.5K @ VIN = VSS GPIO10 AF12 PU 22.5K @ VIN = VSS GPIO11 AF19 PU 22.5K @ VIN = VSS GPIO12 AE23 PU 22.5K @ VIN = VSS GPIO13 AD23 PU 22.5K @ VIN = VSS GPIO14 D22 PU 22.5K @ VIN = VSS GPIO15 C22 PU 22.5K @ VIN = VSS GPIO16 AE18 PU 22.5K @ VIN = VSS GPIO17 B23 PU 22.5K @ VIN = VSS GPIO18 AC24 PU 22.5K @ VIN = VSS GPIO19 Y24 PU 22.5K @ VIN = VSS GPIO20 D21 PU 22.5K @ VIN = VSS GPIO32 E26 PU 22.5K @ VIN = VSS GPIO33 D25 PU 22.5K @ VIN = VSS GPIO34 D26 PU 22.5K @ VIN = VSS GPIO35 C25 PU 22.5K @ VIN = VSS GPIO36 C26 PU 22.5K @ VIN = VSS GPIO37 B24 PU 22.5K @ VIN = VSS GPIO38 AB23 PU 22.5K @ VIN = VSS GPIO39 A24 PU 22.5K @ VIN = VSS GPIO40 B20 PU 22.5K @ VIN = VSS GPIO41 AA24 PU 22.5K @ VIN = VSS GPIO47 AB24 PU 22.5K @ VIN = VSS Power Management PWRBTN# AF15 PU 100K @ VIN = VSS GPWIO[2:0] AF17, AE16, AC15 PU 100K @ VIN = VSS Test and Measurement GTEST AD21 PD 22.5K @ VIN = VIO 1. Accuracy is: 22.5 K Ω resistors are within a range of 20 KΩ to 50 K Ω. 100 KΩ resistors are within a range of 90 KΩ to 250 K Ω. 2. Controlled by software. Signal Name Ball No. PU/ PD Typ1 Value [ Ω] Conditions |
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