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LAN9252/ML 数据表(PDF) 9 Page - Microchip Technology |
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LAN9252/ML 数据表(HTML) 9 Page - Microchip Technology |
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9 / 329 page  2015 Microchip Technology Inc. DS00001909A-page 9 LAN9252 The LAN9252 is available in commercial, industrial, and extended industrial temperature ranges. Figure 2-1 details a typical system application, while Figure 2-2 provides an internal block diagram of the LAN9252. The LAN9252 can operate in Microcontroller, Expansion, or Digital I/O mode: FIGURE 2-1: SYSTEM BLOCK DIAGRAM FIGURE 2-2: INTERNAL BLOCK DIAGRAM LAN9252 Microprocessor/ Microcontroller Local Bus EEPROM Magnetics RJ45 25MHz Magnetics RJ45 EtherCAT Slave EtherCAT Master EtherCAT Slave EtherCAT Slave PHY RJ45 EtherCAT Slave 100 PHY w/ fiber Registers EtherCAT Slave Controller SyncManager FMMU ESC Address Space Registers / RAM Loopback Auto Fowarder Loopback Auto Fowarder LED Controller To optional LEDs System Interrupt Controller IRQ System Clocks/ Reset Controller External 25MHz Crystal I2C EEPROM 100 PHY w/ fiber Registers LAN9252 Ethernet Ethernet Parallel Data Interface To 8/16-bit Host Bus, MII, SPI, Digital IOs, GPIOs To I 2C Loopback Auto Fowarder MII |
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