KSZ9021RLI
Product Overview
Category
The KSZ9021RLI belongs to the category of Ethernet Physical Layer Transceivers.
Use
It is primarily used for Ethernet communication in various electronic devices and systems.
Characteristics
- High-speed Ethernet transceiver
- Supports 10/100/1000 Mbps data rates
- Low power consumption
- Small form factor
- Robust performance in harsh environments
Package
The KSZ9021RLI is available in a small package, suitable for surface mount technology (SMT) assembly.
Essence
The essence of KSZ9021RLI lies in its ability to provide reliable and high-speed Ethernet connectivity in electronic devices.
Packaging/Quantity
The transceiver is typically packaged in reels or trays, with varying quantities depending on the manufacturer's specifications.
Specifications
- Data Rates: 10/100/1000 Mbps
- Supply Voltage: 3.3V
- Operating Temperature Range: -40°C to +85°C
- Interface: MII/RMII/GMII/RGMII
- ESD Protection: ±8kV HBM, ±2kV CDM
Detailed Pin Configuration
The KSZ9021RLI has a total of 48 pins, which are assigned specific functions. The pin configuration is as follows:
- VDDIO
- VDDA
- VDDCORE
- VDDPLL
- VDDRX
- VDDTX
- GND
- REFCLK
- RX_CLK
- RX_DV
- RXD[3:0]
- RX_ER
- CRS
- COL
- MDIO
- MDC
- TX_CLK
- TX_EN
- TXD[3:0]
- TX_ER
- RXDV/RXACT
- RXD[1]
- RXD[0]
- RXER/PHYAD[2]
- CRS/MDIO
- COL/MDC
- TX_CLK/TXEN
- TXD[1]
- TXD[0]
- TXER
... (remaining pins not listed for brevity)
Functional Features
- Auto-negotiation and auto-MDI/MDIX support
- Energy Efficient Ethernet (EEE) compliance
- LinkMD® TDR-based cable diagnostics
- Wake-on-LAN (WoL) support
- Advanced power management features
- Integrated voltage regulators
Advantages and Disadvantages
Advantages
- High-speed data transmission
- Low power consumption
- Compact size
- Robust performance in harsh environments
- Comprehensive cable diagnostics
Disadvantages
- Limited compatibility with certain interfaces
- Relatively higher cost compared to some alternatives
Working Principles
The KSZ9021RLI operates by converting digital data into analog signals suitable for transmission over Ethernet cables. It utilizes advanced signal processing techniques to ensure reliable and high-speed communication.
Detailed Application Field Plans
The KSZ9021RLI is widely used in various applications, including but not limited to: - Networking equipment - Industrial automation systems - Automotive electronics - Consumer electronics - Medical devices
Detailed and Complete Alternative Models
Some alternative models that offer similar functionality to the KSZ9021RLI include: - KSZ9031RNX - DP83867IR - LAN8720A
These models can be considered as alternatives based on specific requirements and compatibility with different interfaces.
In conclusion, the KSZ9021RLI is a high-performance Ethernet Physical Layer Transceiver that provides reliable and high-speed Ethernet connectivity. Its compact size, low power consumption, and robust performance make it suitable for various electronic devices and systems in different industries.
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技術ソリューションにおける KSZ9021RLI の適用に関連する 10 件の一般的な質問と回答をリストします。
Sure! Here are 10 common questions and answers related to the application of KSZ9021RLI in technical solutions:
Q1: What is KSZ9021RLI? A1: KSZ9021RLI is a highly integrated Ethernet transceiver designed for embedded applications, providing a complete solution for high-performance Ethernet connectivity.
Q2: What are the key features of KSZ9021RLI? A2: The key features of KSZ9021RLI include support for 10/100/1000 Mbps data rates, advanced power management, auto-negotiation, and various diagnostic capabilities.
Q3: Can KSZ9021RLI be used in industrial applications? A3: Yes, KSZ9021RLI is suitable for industrial applications due to its robust design, wide temperature range support, and compliance with industrial standards.
Q4: How can I interface KSZ9021RLI with a microcontroller or processor? A4: KSZ9021RLI uses a standard MII (Media Independent Interface) or RMII (Reduced Media Independent Interface) interface, which can be easily connected to most microcontrollers or processors.
Q5: Does KSZ9021RLI support Power over Ethernet (PoE)? A5: No, KSZ9021RLI does not have built-in PoE support. However, it can be used in conjunction with external PoE controllers or modules if PoE functionality is required.
Q6: Can KSZ9021RLI operate on a single power supply voltage? A6: Yes, KSZ9021RLI supports both 3.3V and 1.8V power supply voltages, allowing flexibility in system design.
Q7: Is KSZ9021RLI compatible with different Ethernet standards? A7: Yes, KSZ9021RLI is compatible with IEEE 802.3, 802.3u, and 802.3ab Ethernet standards, ensuring interoperability with various networking devices.
Q8: Does KSZ9021RLI support Energy Efficient Ethernet (EEE)? A8: Yes, KSZ9021RLI supports EEE, which helps reduce power consumption during periods of low network activity.
Q9: Can KSZ9021RLI be used in automotive applications? A9: Yes, KSZ9021RLI is suitable for automotive applications as it meets the AEC-Q100 Grade 2 qualification requirements.
Q10: Are there any evaluation boards or reference designs available for KSZ9021RLI? A10: Yes, Microchip provides evaluation boards and reference designs that can help developers quickly prototype and integrate KSZ9021RLI into their systems.
Please note that these answers are general and may vary depending on specific implementation requirements.