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Moteur de recherche de fiches techniques de composants électroniques |
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Moteur de recherche de fiches techniques de composants électroniques |
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AC208-DS04-405-R Fiches technique(PDF) 46 Page - Broadcom Corporation. |
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AC208-DS04-405-R Fiches technique(HTML) 46 Page - Broadcom Corporation. |
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46 / 58 page  AC208 Preliminary Data Sheet 07/08/02 B roa dcom Page 38 LED Display Matrix Document AC208-DS04-405-R LED DISPLAY MATRIX The LED Display uses refresh technique. By using the LED display matrix, the number of ports to drive the LED can be significantly reduced. Two LEDs are assigned for each port. On, Off, and Flash states are used to indicate different information. With reduced LED counts, and reduced number of signals, the LED display will be easier to route on the board, and less costly. Figure 5: LED Display Matrix SYSTEM CONSIDERATIONS The design of the chip is optimized for low cost 10/100 Mb unmanaged repeater applications. It also provides flexibility for systems that require multiple LAN ports within the same unmanaged repeater domain. LED_LN[5] LED_D[0] LED_LN[4] LED_LN[3] LED_LN[2] LED_LN[1] LED_LN[0] LED_D[1] LED_D[2] LED_D[3] LED_D[4] LED_D[5] LED_D[6] LED_D[7] D? LE D? LE D? LE D? LE D? LE D? LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D? LE D? LE D? LE D? LE D? LE D? LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D LE D? LE D? LE D LE D LE D? LE D LE D? LE D? LE D? LE D LE D LE D LE 330 OHM 330 OHM 330 OHM 330 OHM 330 OHM 330 OHM 330 OHM 330 OHM |
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