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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ET1200 데이터시트(PDF) 11 Page - Beckhoff Automation GmbH & Co. KG |
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ET1200 데이터시트(HTML) 11 Page - Beckhoff Automation GmbH & Co. KG |
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11 / 70 page  Overview Slave Controller – ET1200 Hardware Description III-1 1 Overview The ET1200 ASIC is an EtherCAT Slave Controller (ESC). It takes care of the EtherCAT communication as an interface between the EtherCAT fieldbus and the slave application. The ET1200 supports different applications, from simple digital I/O nodes without external logic up to designs with a µController and Distributed Clocks. Table 1: ET1200 Main Features Feature ET1200 Ports 2 permanent ports, optional one additional bridge port (each EBUS or MII, max. one MII port) FMMUs 3 SyncManagers 4 RAM 1 Kbyte Distributed Clocks Yes, 64 bit Process Data Interfaces 16 Bit Digital I/O (unidirectional/bidirectional) SPI Slave Power supply Two integrated voltage regulators (LDO) for I/O (5V to 3.3V) and logic core/PLL (5V/3.3V to 2.5V), optional external power supply for I/O and logic core/PLL. I/O 3.3V compatible I/O Package QFN48 (7x7 mm2) Other features Internal 1GHz PLL Clock output for external devices (10, 20, 25 MHz) The general functionality of the ET1200 EtherCAT Slave Controller (ESC) is shown in Figure 1: ECAT Processing Unit AutoForwarder + Loopback SyncManager FMMU ESC address space User RAM Registers Process RAM EEPROM Distributed Clocks Monitoring Status Reset PHY Management Reset SYNC LEDs I²C EEPROM PHY MI SPI / Digital I/O 0 1 3 EBUS/MII ports LATCH PDI ECAT Interface PDI Interface Figure 1: ET1200 Block Diagram |
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