Microchip 64-Pin Ethernet Controller 3.3 V 100 Mbps SPI Full Duplex/Half Duplex LAN9252/PT

Microchip LAN9252/PT is a 64-pin Ethernet controller designed for industrial and embedded Ethernet applications. It supports a maximum data rate of 100 Mbps via SPI interface under 3.3 V supply voltage. The device includes dual integrated Ethernet PHYs, each supporting full duplex and half duplex 100BASE-TX communication, and complies with IEEE 802.3u standards ensuring robust and standardized network connectivity.

The LAN9252/PT features internal loopback mode facilitating system diagnostics and testing. Its operating temperature range from 0°C to 70°C supports reliable performance across typical industrial environments. The compact 10 mm by 10 mm by 1.2 mm package reduces PCB footprint for space-constrained designs.

Embedded HP Auto-MDIX enables automatic detection and correction of twisted pair cabling, supporting both direct connect and crossover LAN cables without manual intervention. Additionally, 100BASE-FX support through an external fiber optic transceiver allows for fiber network integration.

The controller offers flexible interfaces with 1.8 V to 3.3 V variable voltage I/O and an integrated 1.2 V core regulator, supporting single 3.3 V operation while maintaining low power consumption. This device is particularly suited for cost-effective implementation of EtherCAT device solutions demanding Ethernet connectivity and integration.

Incorporates dual integrated Ethernet PHYs with HP Auto-MDIX support. Supports IEEE 802.3u Ethernet standards and full/half duplex modes. Internal loopback mode for system diagnostics. Compact 64-pin package measuring 10x10x1.2 mm.

Operating temperature range from 0°C to 70°C. Supports 100BASE-FX via external transceiver module. Flexible voltage I/O ranging from 1.8 V to 3.3 V. Integrated 1.2 V core regulator for efficient power management. Designed for embedded industrial Ethernet and EtherCAT applications.

This Ethernet controller is ideal for applications in industrial automation, embedded networking devices, and real-time communication systems. Its advanced features enable enhanced diagnostics, flexible network integration, and reliable Ethernet communication in demanding environments.

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