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FWIXPEED0SE000 Datasheet(PDF) 46 Page - Intel Corporation |
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FWIXPEED0SE000 Datasheet(HTML) 46 Page - Intel Corporation |
46 / 226 page LXT9785 and LXT9785E Advanced 8-Port 10/100 Mbps PHY Transceivers 48 Datasheet Document Number: 249241 Revision Number: 007 Revision Date: August 28, 2003 185 186 187 J15, J16, H17 LED5_1 LED5_2 LED5_3 OD, TS, SL, IP Port 5 LED Drivers 1-3. These pins drive LED indicators for Port 5. Each LED can display one of several available status conditions as selected by the LED Configuration Register (refer to Table 96, “LED Configuration Register (Address 20, Hex 14)” on page 213 for details). 189 190 191 H15, H16, G17 LED6_1 LED6_2 LED6_3 OD, TS, SL, IP Port 6 LED Drivers 1-3. These pins drive LED indicators for Port 6. Each LED can display one of several available status conditions as selected by the LED Configuration Register (refer to Table 96, “LED Configuration Register (Address 20, Hex 14)” on page 213 for details). 192 193 194 G15, F17, F16 LED7_1 LED7_2 LED7_3 OD, TS, SL, IP Port 7 LED Drivers 1-3. These pins drive LED indicators for Port 7. Each LED can display one of several available status conditions as selected by the LED Configuration Register (refer to Table 96, “LED Configuration Register (Address 20, Hex 14)” on page 213 for details). Table 15. Intel® LXT9785/LXT9785E Power Supply Signal Descriptions – PQFP (Sheet 1 of 2) Pin/Ball Designation Symbol Type Signal Description PQFP PBGA 65, 78, 184, 196 G13, J14, F5, J5 VCCD - Digital Power Supply - Core. +2.5 V supply for core digital circuits. 18, 29, 47, 56, 208 A2, A8, C1, C11, D14 VCCIO - Digital Power Supply - I/O Ring. +2.5/3.3 V supply for digital I/O circuits. The digital input circuits running off of this rail, having a TTL-level threshold and over-voltage protection, may be interfaced with 3.3/5.0 V, when the IO supply is 3.3 V, and 2.5/3.3/5.0 V when 2.5 V. 98, 164 L13, L5 VCCPECL - Digital Power Supply - PECL Signal Detect Inputs. +2.5/3.3 V supply for PECL Signal Detect input circuits. If Fiber Mode is not used, tie these pins to GNDPECL to save power. 103, 116, 117, 130, 131, 144, 145, 158 N13, P4, P7, P8, P9, P10, P11, P12 VCCR - Analog Power Supply - Receive. +2.5 V supply for all analog receive circuits. 1. Type Column Coding: I = Input, O = Output, OD = Open Drain output, ST = Schmitt Triggered input, TS = Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull- Down. Table 14. Intel® LXT9785/LXT9785E LED Signal Descriptions – PQFP (Sheet 2 of 2) Pin/Ball Designation Symbol Type1 Signal Description2,3 PQFP PBGA 1. Type Column Coding: I = Input, O = Output, OD = Open Drain output, ST = Schmitt Triggered input, TS = Three-State-able output, SL = Slew-rate Limited output, IP = weak Internal Pull-up, ID = weak Internal pull- Down. 2. The IP/ID resistors are disabled during H/W Power-Down mode. If a pin is an output or an I/O, the IP/ID resistors are also disabled when the output is enabled. 3. The LED outputs are three-stated in H/W Power-Down mode and during H/W reset. 4. |
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