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SC2200 Datasheet(PDF) 363 Page - National Semiconductor (TI) |
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SC2200 Datasheet(HTML) 363 Page - National Semiconductor (TI) |
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363 / 433 page ![]() Revision 3.0 363 www.national.com Electrical Specifications (Continued) 8.1.6 Pull-Up and Pull-Down Resistors The following table lists input balls that are internally con- nected to a pull-up (PU) or pull-down (PD) resistor. If these balls are not used, they do not require connection to an external PU or PD resistor. Note: The resistors described in this table are imple- mented as transistors. The resistance for PUs assumes VIN =VSS and for PDs assumes VIN = VIO. Table 8-8. Balls with PU/PD Resistors Signal Name Ball No. PU/ PD Typ1 Value [ Ω] EBGA TEPBGA PCI FRAME# E1 D8 PU 22.5K C/BE[3:0]# A8, D8, A10, A13 H4, F3, J2, L1 PU 22.5K PAR C10 J4 PU 22.5K IRDY# C8 F2 PU 22.5K TRDY# B8 F1 PU 22.5K STOP# D9 G1 PU 22.5K LOCK# C9 H3 PU 22.5K DEVSEL# B5 E4 PU 22.5K PERR# B9 H2 PU 22.5K SERR# A9 H1 PU 22.5K REQ[1:0]# E3, C1 A5, B5 PU 22.5K INTA# AE3 D26 PU 22.5K INTB# AF1 C26 PU 22.5K INTC# H4 C9 PU 22.5K INTD# B22 AA2 PU 22.5K Low Pin Count (LPC) LAD[3:0] AJ10, AK10, AL10, AJ11 L29, L30, L31, M28 PU 22.5K LDRQ AL9 L28 PU 22.5K SERIRQ AL8 J31 PU 22.5K System (Straps) CLKSEL[3:0] AL13, AK3, B27, F3 P30, D29, AF3, B8 PD 100K BOOT16 G4 C8 PD 100K TFT_PRSNT AK13 P29 PD 100K LPC_ROM E4 D6 PD 100K FPCI_MON D3 A4 PD 100K DID[1:0] D2, D4 C6, C5 PD 100K ACCESS.bus2 AB1C AJ13 N31 PU 22.5K AB1D AL12 N30 PU 22.5K AB2C AJ12 N29 PU 22.5K AB2D AL11 M29 PU 22.5K Parallel Port AFD#/DSTRB# AB2 D22 PU 22.5K PE T3 D17 PU2 22.5K PD2 22.5K SLIN#/ASTRB# W1 B20 PU 22.5K STB#/WRITE# AB1 A22 PU 22.5K INIT# Y3 B21 PU 22.5K JTAG TCK AL4 E31 PU 22.5K TMS AJ5 F28 PU 22.5K TDI AK5 F29 PU 22.5K TRST# AK4 E29 PU 22.5K GPIO2 GPIO1 H2, AL12 D10, N30 PU 22.5K GPIO6 AH3 D28 PU 22.5K GPIO7 AH4 C30 PU 22.5K GPIO8 AJ2 C31 PU 22.5K GPIO9 AG4 C28 PU 22.5K GPIO10 AJ1 B29 PU 22.5K GPIO11 H30 AJ8 PU 22.5K GPIO12 AJ12 N29 PU 22.5K GPIO13 AL11 M29 PU 22.5K GPIO14 F1 D9 PU 22.5K GPIO15 G3 A8 PU 22.5K GPIO16 AL15 V31 PU 22.5K GPIO17 J4 A10 PU 22.5K GPIO18 A28 AG1 PU 22.5K GPIO19 H4 C9 PU 22.5K GPIO20 H3, AJ13 A9, N31 PU 22.5K GPIO32 AJ11 M28 PU 22.5K GPIO33 AL10 L31 PU 22.5K GPIO34 AK10 L30 PU 22.5K GPIO35 AJ10 L29 PU 22.5K GPIO36 AL9 L28 PU 22.5K GPIO37 AK9 K31 PU 22.5K GPIO38 AJ9 K28 PU 22.5K GPIO39 AL8 J31 PU 22.5K Power Management PWRBTN# E29 AH5 PU 100K GPWIO[2:0] G29, G28, E31 AJ6, AK5, AH6 PU 100K Test and Measurement GTEST AL5 F30 PD 22.5K 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] EBGA TEPBGA |
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