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KSZ8993ML Datasheet(PDF) 11 Page - Micrel Semiconductor |
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KSZ8993ML Datasheet(HTML) 11 Page - Micrel Semiconductor |
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11 / 85 page  Micrel, Inc. KS8993M/ML/MI April 2005 11 M9999-041205 Pin Number Pin Name Type (1) Description 26 NC O No connect 27 HWPOVR Ipd Hardware pin overwrite 0 = Disable. All strap-in pins configurations are overwritten by the EEPROM configuration data 1 = Enable. All strap-in pins configurations are overwritten by the EEPROM configuration data, except for register 0x2C bits [7:5], (port 2: auto-negotiation enable, force speed, force duplex). 28 P2MDIXDIS Ipd Port 2 Auto MDI/MDI-X PD (default) = enable PU = disable 29 P2MDIX Ipd Port 2 MDI/MDI-X setting when auto MDI/MDI-X is disabled. PD (default) = MDI-X (transmit on TXP2 / TXM2 pins) PU = MDI, (transmit on RXP2 / RXM2 pins) 30 P1ANEN Ipu 1 = enable auto negotiation on port 1 0 = disable auto negotiation on port 1 31 P1SPD Ipd 1 = force port 1 to 100BT if P1ANEN = 0 0 = force port 1 to 10BT if P1ANEN = 0 32 P1DPX Ipd 1 = port 1 default to full duplex mode if P1ANEN = 1 and auto negotiation fails. Force port 1 in full-duplex mode if P1ANEN = 0. 0 = port 1 default to half duplex mode if P1ANEN = 1 and auto negotiation fails. Force port 1 in half duplex mode if P1ANEN = 0. 33 P1FFC Ipd 1 = always enable (force) port 1 flow control feature 0 = port 1 flow control feature enable is determined by auto negotiation result. 34 NC Ipd No connect 35 NC Ipd No connect 36 PWRDN Ipu Chip power-down input (active low) 37 AGND Gnd Analog ground 38 VDDA P 1.8V analog VDD 39 AGND Gnd Analog ground 40 MUX1 I Factory test pin - float for normal operation 41 MUX2 I Factory test pin - float for normal operation 42 AGND Gnd Analog ground 43 VDDA P 1.8V analog VDD 44 FXSD1 I Fiber signal detect/factory test pin Note: 1. P = Power supply. Gnd = Ground. I = Input. O = Output. Ipu = Input w/ internal pull-up. Ipd = Input w/ internal pull-down. |
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