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81348 Datasheet(PDF) 39 Page - Intel Corporation |
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81348 Datasheet(HTML) 39 Page - Intel Corporation |
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39 / 89 page ![]() Intel® 81348 I/O Processor December 2007 Datasheet Order Number: 315038-003US 39 Package Information—Intel® 81348 SDA0 Z Z Z VB ––––– SCL1 Z Z Z VB ––––– SDA1 Z Z Z VB ––––– SCL2 Z Z Z VB ––––– SDA2 Z Z Z VB ––––– SMBCLK Z Z Z VB ––––– SMBDAT Z Z Z VB ––––– U0_RXD – VI VI VI ––––– U0_TXD Z 1 1 VO ––––– U0_CTS# – VI VI VI ––––– U0_RTS# Z 1 1 VO ––––– U1_RXD – VI VI VI ––––– U1_TXD Z 1 1 VO ––––– U1_CTS# – VI VI VI ––––– U1_RTS# Z 1 1 VO ––––– TCK – VI VI VI ––––– TDI – H H H ––––– TDO – Z Z VO ––––– TRST# – H H H ––––– TMS – H H H ––––– P_RST# – VI VI VI ––––– WARM_RST# – VI VI VI ––––– NC -/Z Z/H Z/H Z/H ––––– THERMDA – AI AI AI ––––– THERMDC – AO AO AO ––––– Table 14. Functional Pin Mode Behavior (Sheet 4 of 4) Pin Bo un da ry Sc an Hi gh Z Re se t (E nd Po int ) Re se t( Ce nt ra l Re so ur ce ) No rm al 32 -B itS DR AM PC IX _3 2B IT # PC IX _P UL LU P# Wh en on ly PC I-X In ter fac e Ac tiv e Wh en on ly PC IE xp re ss * In ter fac e Ac tiv e Notes: 1 = driven to VCC 0 = driven to VSS X = driven to unknown state ID = The input is disabled. H = pulled up to VCC PD = pull-up disabled L = pulled down to VSS ODT = On Die Termination GND = Tie to Ground. EA = External Arbiter mode IA = Internal Arbiter mode Z = output, pull-up/down disabled VB = acts like a Valid Bidirectional pin VO = a Valid Output level is driven. VI = need to drive a Valid Input level. AO = Analog Output level AI = Analog Input level * = after power fail sequence completes “-” = unaffected by this mode a. MA[14] is only needed for 4GB memory support. When 4GB memory is not used this pin is NC. |
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