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EM200 Datasheet Ethernet Module

Manufacturer: Tibbo Technology

Overview: EM200 Ethernet Module The EM200 is an Ethernet Module for onboard installation. Module hardware includes one 100BaseT Ethernet port (standard Ethernet magnetics are NOT integrated into the Module), one serial port (CMOS-level) with a number of additional generalpurpose I/O lines, and an internal processor, whose firmware acts as a bridge between the Ethernet and serial ports. Ethernet "side" of the Module connects directly to a standard Ethernet magnetics circuit (such as YCL-PH163112) or RJ45 connector with integrated magnetics. Serial "side" interfaces directly to the serial port pins of most microcontrollers, microprocessors, UARTs, etc. From the hardware standpoint, the EM200 can be viewed as a universal platform suitable for running a variety of network and serial munications-related applications. It is the application firmware, not hardware that gives the EM200 most of its functionality. The Application firmware EM200 is supplied with, currently in its 3rd generation ("Release3"), turns the EM200 into a Serial Device Server used to connect serial devices to the Ethernet (TCP/IP) networks. The application firmware of the EM200 can be upgraded through the module's serial port or Ethernet port. Serial upgrades are facilitated by a so-called Monitor- a fixed "service" firmware inside the EM200. The Monitor cannot be upgraded. Network upgrades rely on the application firmware itself- there is a self upgrade algorithm that will be detailed later.

Datasheet Details

Part number EM200
Manufacturer Tibbo Technology
File Size 208.79 KB
Description Ethernet Module
Datasheet EM200-TibboTechnology.pdf

General Description

can be found in the Device Server Application Firmware Manual.

This EM200 Ethernet Module Manual focuses on the hardware portion of the EM200.

©2000-2004 Tibbo Technology Inc.

Key Features

  • a serial port (RX, TX lines) and several general-purpose I/O lines (P0-P8). All of the above lines are of CMOS type. From the hardware point of view, all general-purpose I/O lines can serve as inputs or outputs. Maximum load current for all CMOS lines is 10mA. Simplified structure of EM200's I/O lines is shown on the circuit diagram below. All lines are "quasi-bidirectional" and can be viewed as open collector outputs with weak pull-up resistor. There is no explicit direction control. To "measur.

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