KSZ8721BLI-TR

The KSZ8721BLI-TR is a single-port 10/100 Ethernet physical-layer transceiver (PHY) IC designed for Ethernet applications in embedded systems and industrial applications. It features auto-MDIX for flexible cable connections and supports both MII and RMII interfaces, providing versatility for various system designs.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• TXN: Transmit Minus Differential Output
• TXP: Transmit Plus Differential Output
• RD0: Receive Data Bit 0
• RD1: Receive Data Bit 1
• RD2: Receive Data Bit 2
• RD3: Receive Data Bit 3
• RXN: Receive Minus Differential Input
• RXP: Receive Plus Differential Input
• REFCLK: Reference Clock Input
• GND: Ground
• VDD33: 3.3V Power Supply
• COL: Collision Detection Output
• CRS: Carrier Sense Input
• MDIO: Management Data I/O
• MDIO: Management Data I/O
• TXEN: Transmit Enable

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the KSZ8721BLI-TR IC for a visual representation.

Key Features

• Single-Port 10/100 Ethernet PHY: Provides a complete Ethernet solution for embedded systems requiring network connectivity.
• Auto-MDIX: Supports automatic MDI/MDIX crossover for flexible cable connections.
• MII and RMII Interfaces: Offers compatibility with both MII and RMII interfaces, allowing for versatile system integration.
• Low Power Consumption: Features low power operation for energy-efficient network applications.
• Robust Performance: Ensures reliable and stable Ethernet communication in industrial environments.

Note: For detailed technical specifications, please refer to the KSZ8721BLI-TR datasheet.

Application

• Embedded Systems: Ideal for adding Ethernet connectivity to embedded systems, such as IoT devices and industrial control systems.
• Industrial Automation: Suitable for industrial automation applications requiring reliable network communication.
• Networking Equipment: Used in networking equipment such as switches and routers for Ethernet connectivity.

Functionality

The KSZ8721BLI-TR is a versatile Ethernet PHY IC that enables reliable Ethernet connectivity in various embedded and industrial applications. It supports auto-MDIX and multiple interfaces for easy integration into different system designs.

Usage Guide

• Power Supply: Connect VDD33 (Pin 11) to the 3.3V power supply for proper operation.
• Ethernet Connection: Connect the TXN, TXP, RXN, and RXP pins to the corresponding Ethernet interface for data transmission and reception.
• Management Interface: Use the MDIO pins for management data input and output.

Frequently Asked Questions

Q: Does the KSZ8721BLI-TR support auto-negotiation for Ethernet speed and duplex mode?
A: Yes, the KSZ8721BLI-TR features auto-negotiation capabilities for automatically configuring Ethernet speed and duplex mode based on link conditions.

Q: Can the KSZ8721BLI-TR operate in half-duplex mode?
A: Yes, the KSZ8721BLI-TR supports both half-duplex and full-duplex operation for flexible Ethernet communication.