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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STE100A датащи(PDF) 27 Page - STMicroelectronics |
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STE100A датащи(HTML) 27 Page - STMicroelectronics |
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27 / 82 page  STE10/100A Functional description 27/82 3.6 LED display operation The STE10/100A provides 2 LED display modes; the detailed descriptions of their operation are described in the pin description section. First mode – 3 LED displays – 100Mbps (on) or 10Mbps (off) – Link (Remains on when link ok) or activity (Blinks at 10Hz when receiving or transmitting collision-free) – FD (Remains on when in full duplex mode) or collision (Blinks at 20Hz when collisions detected) Second mode – 4 LED displays – 100 Link (On when 100M link ok) – 10 Link (On when 10M link ok) – Activity (Blinks at 10Hz when receiving or transmitting) – FD (Remains on when in full duplex mode) or collision (Blinks at 20Hz when collisions detected) 3.7 Reset operation 3.7.1 Reset whole chip There are two ways to reset the STE10/100A: – Hardware reset Via RST# pin (to ensure proper reset operation, the RST# signal should be asserted at least 100ms) – Software reset Via SWR (bit 0 of CSR0) being set to 1 (the STE10/100A will reset all circuits except the transceivers and configuration registers, set registers to their default values, and will clear SWR) and set XRST(XR0, bit 15) to reset the transceivers. 3.7.2 Reset transceiver only When XRST (bit 15 of XR0) is set to 1, the transceiver will reset its circuits, will initialize its registers to their default values, and clear XRST. |
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