KSZ8051 10/100Base-T/TX Physical Layer Transceiver

2022-03-29

次

The KSZ8051 is an AEC-Q100 standard qualified single-supply 10Base-T/100Base-TX Ethernet physical-layer transceiver for automotive applications.

The KSZ8051 is a highly-integrated PHY solution. It reduces board cost and simplifies board layout by using on-chip termination resistors for the differential pairs and by integrating a low-noise regulator to supply the 1.2V core. The KSZ8051MNLU/V offers the Media Independent Interface (MII) and the KSZ8051RNLUB-VAO offers the Reduced Media Independent Interface (RMII) for direct connection with MII/RMII-compliant Ethernet MAC processors and switches. A 25MHz crystal is used to generate all required clocks, including the 50MHz RMII reference clock output for the KSZ8051RNLUB-VAO.

The KSZ8051 provides diagnostic features to facilitate system bring-up and debugging in production testing and in product deployment. Parametric NAND tree support enables fault detection between KSZ8051 I/Os and the board. LinkMD TDR-based cable diagnostics identify faulty copper cabling. The KSZ8051MNLU/V and KSZ8051RNLUB-VAO are available in 32-pin, 5x5 lead-free QFN packages

Single-chip 10Base-T/100Base-TX IEEE 802.3 compliant Ethernet transceiver
AEC-Q100 qualified for automotive applications
MII interface support (KSZ8051MNLU/V)
RMII v1.2 Interface support with a 50MHz reference clock output to MAC, and an option to input a 50MHz reference clock (KSZ8051RNLUB-VAO)
Back-to-back mode support for a 100Mbps copper repeater
MDC/MDIO management interface for PHY register configuration
Programmable interrupt output
LED outputs for link, activity, and speed status indication
On-chip termination resistors for the differential pairs
Lan Transformer for TX 1:1 16YM001,YL2J011D,YL2J212A
Baseline wander correction
HP Auto MDI/MDI-X to reliably detect and correct straight-through and crossover cable connections with disable and enable option
Auto-negotiation to automatically select the highest link-up speed (10/100Mbps) and duplex (half/full)
Power-down and power-saving modes
LinkMD TDR-based cable diagnostics to identify faulty copper cabling
Parametric NAND Tree support for fault detection between chip I/Os and the board
Loopback modes for diagnostics
Single 3.3V power supply with VDD I/O options for 1.8V, 2.5V, or 3.3V
Built-in 1.2V regulator for core
32-pin (5mm x 5mm) QFN package

KSZ8051MNL+16YM001+RJ45

KSZ8051MNL+YL2J011D

KSZ8051MNL+YL2J212A

KSZ8051RNL+16YM001+RJ45

KSZ8051RNL+YL2J011D

KSZ8051RNL+YL2J212A

KSZ8051RNLUB-VAO,KSZ8051RNLUB-TR-VAO,KSZ8051RNLU-TRVAO,KSZ8051MNLV-TR,KSZ8051MNLU-VAO,KSZ8051MNL-TR

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慈溪裕泰电子有限公司

KSZ8051 10/100Base-T/TX Physical Layer Transceiver

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