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XIO2000AI 数据表(PDF) 26 Page - Texas Instruments |
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XIO2000AI 数据表(HTML) 26 Page - Texas Instruments |
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26 / 165 page  Introduction 17 April 2007 Revised October 2008 SCPS155C Table 2−5. Power Supply Terminals SIGNAL GZZ/ZZZ BALL # ZHC BALL # ZHH BALL # I/O TYPE EXTERNAL PARTS DESCRIPTION VCCP A04, J01 B04, G02 A04, G01 PWR Bypass capacitors 5.0-V or 3.3-V PCI bus clamp voltage to set maximum I/O voltage tolerance of the secondary PCI bus signals VDD_15 D09, H14, J04, P07, P15 D08, F14, G04, L05, N13 D08, F14, G04, L05, N12 PWR Bypass capacitors 1.5-V digital core power terminals VDDA_15 F17, J14, J15, G15 D13, E11, H11, H13 E11, F12, H11, H13 PWR Pi filter 1.5-V analog power terminal VDD_33 C06, C13, D10, E03, H04, M03, P09, P10, P11, R05, R14, T13 D04, D06, D10, F04, F09, J06, J07, L04, L08, L09, L10, P12 D04, D05, D09, F04, F09, J06, J07, K04, L08, M09, M10, M11 PWR Bypass capacitors 3.3-V digital I/O power terminals VDD_33_AUX K14 J14 J12 PWR Bypass capacitors 3.3-V auxiliary power terminal Note: This terminal is connected to VSS through a pulldown resistor if no auxiliary supply is present. VDDA_33 D15, K15 C13, J11 C12, J11 PWR Pi filter 3.3-V analog power terminal Table 2−6. Ground Terminals SIGNAL GZZ/ZZZ BALL # ZHC BALL # ZHH BALL # I/O TYPE DESCRIPTION VSS C05, C14, D03, D08, D11, G04, G17, K04, K17, N03, P08, R04, R06, R10, R11, R12, R13, R17 F06, F07, F08, F13, G06, G07, G08, G09, H06, H07, H08, H09, J08, J09, M08, M09, M12, P11 F06, F07, F08, F13, G06, G07, G08, G09, H06, H07, H08, H09, J08, J09, L09, L11, M08, N13 GND Digital ground terminals VSS G07, G08, G09, G10, G11, H07, H08, H09, H10, H11, J07, J08, J09, J10, J11, K07, K08, K09, K10, K11, L07, L08, L09, L10, L11 GND Ground terminals for thermally-enhanced package VSSA B17, E15, F15, F16, G14, G16, H15, J16, L15 A14, E12, F11, F12, G11, G12, K11, L11 B14, D12, E12, F11, G11, G12, K11, P13 GND Analog ground terminal Table 2−7. Combined Power Outputs SIGNAL GZZ/ZZZ BALL # ZHC BALL # ZHH BALL # I/O TYPE EXTERNAL PARTS DESCRIPTION VDD_15_COMB M17 K13 K13 Feed through Bypass capacitors Internally-combined 1.5-V main and VAUX power output for external bypass capacitor filtering. Supplies all internal 1.5-V circuitry powered by VAUX. Caution: Do not use this terminal to supply external power to other devices. VDD_33_COMB K16 H12 H14 Feed through Bypass capacitors Internally-combined 3.3-V main and VAUX power output for external bypass capacitor filtering. Supplies all internal 3.3-V circuitry powered by VAUX. Caution: Do not use this terminal to supply external power to other devices. VDD_33_COMBIO L14 J12 K12 Feed through Bypass capacitors Internally-combined 3.3-V main and VAUX power output for external bypass capacitor filtering. Supplies all internal 3.3-V input/output circuitry powered by VAUX. Caution: Do not use this terminal to supply external power to other devices. |
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