The DM9161CIEP is a single-chip Fast Ethernet MAC controller with a Media Independent Interface (MII). It is designed to provide a high-performance and cost-effective solution for integrating Ethernet connectivity into a wide range of embedded systems. It is manufactured by Davicom. As an END-OF-LIFE product, it is important to carefully consider long-term availability and potential replacements.
Applications
- Embedded Systems Networking
- Network Interface Cards (NICs)
- Ethernet-enabled devices such as printers and storage devices
- Industrial control systems
- Set-top boxes and media players
Features
- Compliant with IEEE 802.3u 100Base-TX and 10Base-T standards
- Supports full-duplex and half-duplex operation
- Integrated 10/100 Mbps transceiver
- MII (Media Independent Interface) for flexible PHY selection
- Supports auto-negotiation for automatic speed and duplex selection
- Built-in FIFO buffers for transmit and receive data
- Supports VLAN tagging (IEEE 802.1Q)
- Supports checksum offload for reduced CPU overhead
- Power management features for low power consumption
Benefits
- Provides a cost-effective solution for adding Ethernet connectivity to embedded systems
- Simplifies system design with integrated MAC and PHY functionality
- Ensures interoperability with existing Ethernet networks
- Reduces CPU overhead with checksum offload and FIFO buffers
- Enables flexible system configuration with MII interface
- Low power consumption makes it suitable for battery-powered applications
Additional Details
The DM9161CIEP typically requires external magnetics for signal isolation and impedance matching. It operates from a 3.3V power supply. The device is packaged in a QFP (Quad Flat Package). Refer to the Davicom DM9161CIEP datasheet for detailed electrical characteristics, timing diagrams, and application circuit examples.