전자부품 데이터시트 검색엔진 |
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ET1100 데이터시트(PDF) 42 Page - Beckhoff Automation GmbH & Co. KG |
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ET1100 데이터시트(HTML) 42 Page - Beckhoff Automation GmbH & Co. KG |
42 / 124 page Pin Description III-28 Slave Controller – ET1100 Hardware Description 3.6.7.1 Example schematic for Transparent Mode ET1100 CLK25OUT1/2 Ethernet PHY RX_DV RX_DATA[3:0] RX_ERR TX_ENA TX_DATA[3:0] RX_CLK RX_DV RXD[3:0] RX_ER TX_EN TXD[3:0] RX_CLK TX_CLK CLK25 CRS TX_ER COL LINK_MII LI NK_STATUS MI_DATA MI_CLK MDIO MDC VCC I/O VCC I/O Alternative MAC RX_DV RX_DATA[3:0] RX_ERR TX_ENA TX_DATA[3:0] RX_CLK MI_DATA MI_CLK TX_CLK TX_ER COL CRS LI NKACT To RJ45/ Magnetics MAC Enable Drivers may be embedded in the alternative MAC ET1100 is Link/Act LED source, even if port is transparent TRANS(x) Connect MII Management signals to alternative MAC only if all ET1100 MII ports can become transparent RESET RESET RESET Figure 10: Transparent Mode NOTE: MI_DATA outputs of alternative MAC have to be high-Z if ET1100 is controlling PHY management interface, otherwise add driver (like MI_CLK). Check alternative MAC’s TX timings when extra drivers are used. |
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