Features

• Supports category 5 cables and above with attenuation in

excess of 24dB at 100 MHz.

• Single-chip, fully integrated PHY provides PCS, PMA,

PMD, and AUTONEG sub layers functions of IEEE

standard.

• 10Base-T and 100Base-TX IEEE 8802.3 compliant

• MIIM (MDC/MDIO) management bus for PHY register

configuration

• RMII interface support with external 50 MHz system clock

• Single 3.3V power supply

• Highly configurable, supports:

– Media Independent Interface (MII)

– Auto-Negotiation with Parallel detection

– Node applications, managed or unmanaged

– 10M or 100M full and half-duplex modes

– Loopback mode for Diagnostic Functions

• Auto-MDI/MDIX crossover correction

• Low-power CMOS (typically 300 mW)

• Power-Down mode (typically 21mW)

• Clock and crystal supported in MII mode

• Programmable LEDs

• Interrupt output pin

• Fully integrated, DSP-based PMD includes:

– Adaptive equalization and baseline-wander

correction

– Transmit wave shaping and stream cipher

scrambler

– MLT-3 encoder and NRZ/NRZI encoder

• Core power supply (3.3 V)

• 3.3 V/1.8 V VDDIO operation supported

• Smart power control with deep power down feature

• Available in 40-pin (6mm x 6mm) QFN package, Pb-free

• Industrial Temp and Lead Free

1894KI-40LFT属于集成电路（IC） > 控制器。瑞萨科技有限公司制造生产的1894KI-40LFT控制器该系列产品主要用于在采用不同通信协议和/或信令方法的端点之间提供信息连接。示例包括将 I2C 总线连接到 UART，将 USB 连接到 I2C、SPI、以太网或 UART、以太网 MAC 和 PHY 等的器件。此外，还包括用于通过为点对点通信设计的接口建立多路连接的器件，例如 USB 集线器控制器。