W5100 learning electrical specifications

SCM and W5 1 0 0 Interface Design Paper A T 8 9 S 5 1 is a single chip microcontroller, a briefly W5 1 0 0 chip design applications. Using bus interface mode, to increase the data transfer rate, and convenient interface. Bus interface mode requires the microcontroller to provide more I / O lines, but the connection method is simple, only W5 1 0 0 address bus, data bus and control bus and microcontroller chip AT bus corresponding to a respective 8 9 S 5 is connected to a . Address bus A15 ~ 0, where A14 ~ A0 connection W5 1 0 0 chip address bus A14 ~ A 0, A15 connected to the chip W5 1 0 0 / C S pin. Thus, the address W5 is 100 chips 0 0 0 0 H ~ 7 F F F H. microcontroller easy access to chip 100 through its bus structure W5 all registers. Since W5 1 0 0 chip integrated Ethernet physical layer unit, and therefore omitted W3 1 0 0 A chip circuit applications such as RTL 8 2 0 Ethernet physical layer chip or the like, to simplify the circuitry, cost savings, improvement circuit reliability. Electrical Specifications Limit * Note: The operation exceeds the limit member may cause permanent damage. Be DC Characteristics Power AC Characteristics Reset time Register / memory read clock in FIG. Register / memory write clock of FIG. 7.4.4 SPI Clock FIG. Crystal properties Network transformer characteristics Symmetric TX / RX channel support auto-polarity (MDI / MDIX). , Reading the full text, the technology area W5100 learning electrical specifications Application information W5100 learning W5100 learning function description W5100 learning: Register Description W5100 learning W5100 register

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