KS8721SLI
Overview
- Category: Ethernet Transceiver
- Use: Networking and communication
- Characteristics:
- High-speed Ethernet transceiver
- Supports 10/100 Mbps data rates
- Low power consumption
- Small form factor
- Package: Small Outline Integrated Circuit (SOIC)
- Essence: Facilitates reliable and efficient Ethernet communication
- Packaging/Quantity: Available in reels of 2500 units
Specifications
- Data Rates: 10/100 Mbps
- Supply Voltage: 3.3V
- Operating Temperature Range: -40°C to +85°C
- Interface: MII (Media Independent Interface)
- LED Indicators: Link, Activity, Full/Half Duplex
- ESD Protection: ±4kV HBM (Human Body Model)
- RoHS Compliance: Yes
Pin Configuration
The KS8721SLI Ethernet transceiver has the following pin configuration:
- VDDA
- VSSA
- TXEN
- TXD[3:0]
- TX_CLK
- CRS_DV
- RXD[3:0]
- RX_ER
- RX_CLK
- MDIO
- MDC
- VDDIO
- VSSIO
- VDD
- VSS
Functional Features
- Auto-Negotiation: Allows automatic selection of the highest possible data rate and duplex mode between connected devices.
- Auto-MDI/MDIX: Eliminates the need for crossover cables by automatically detecting and adjusting for straight-through or crossover connections.
- Energy-Efficient Ethernet (EEE): Reduces power consumption during periods of low network activity.
- Loopback Mode: Enables self-testing and diagnostics by looping back transmitted signals to the receiver.
- Wake-on-LAN (WoL): Supports remote device wake-up functionality.
Advantages and Disadvantages
Advantages: - High-speed data transmission - Low power consumption - Small form factor for space-constrained applications - Auto-Negotiation and Auto-MDI/MDIX features simplify network setup - Energy-Efficient Ethernet reduces environmental impact
Disadvantages: - Limited to 10/100 Mbps data rates, not suitable for Gigabit Ethernet applications - Does not support Power over Ethernet (PoE) functionality
Working Principles
The KS8721SLI Ethernet transceiver operates by converting digital data into analog signals for transmission over Ethernet cables. It utilizes the Media Independent Interface (MII) to communicate with the host device's MAC (Media Access Control) layer. The transceiver supports both full-duplex and half-duplex communication modes, allowing simultaneous transmission and reception of data.
Application Field Plans
The KS8721SLI is commonly used in various networking and communication applications, including:
- Ethernet switches
- Network interface cards (NICs)
- Industrial automation systems
- Embedded systems
- Internet of Things (IoT) devices
Alternative Models
- KSZ8081RNB: Similar Ethernet transceiver with extended temperature range (-40°C to +105°C).
- KSZ8863MLLI: Integrated Ethernet switch with three ports and advanced features.
- KSZ9031RNX: Gigabit Ethernet transceiver supporting 10/100/1000 Mbps data rates.
These alternative models offer similar functionality and can be considered based on specific application requirements.
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기술 솔루션에 KS8721SLI 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.
Sure! Here are 10 common questions and answers related to the application of KS8721SLI in technical solutions:
Q: What is KS8721SLI? A: KS8721SLI is a highly integrated Ethernet physical layer transceiver (PHY) chip used for connecting devices to an Ethernet network.
Q: What are the key features of KS8721SLI? A: The key features of KS8721SLI include support for 10/100 Mbps data rates, auto-negotiation, MDI/MDIX crossover, power-down modes, and various diagnostic functions.
Q: How can I interface KS8721SLI with my microcontroller or processor? A: KS8721SLI uses the MII (Media Independent Interface) or RMII (Reduced Media Independent Interface) interface, which can be easily connected to most microcontrollers or processors.
Q: Can KS8721SLI be used in both full-duplex and half-duplex modes? A: Yes, KS8721SLI supports both full-duplex and half-duplex communication modes, allowing for simultaneous transmission and reception of data.
Q: Does KS8721SLI support Power over Ethernet (PoE)? A: No, KS8721SLI does not support PoE. It is solely responsible for the physical layer functionality of Ethernet communication.
Q: Can KS8721SLI be used in industrial applications? A: Yes, KS8721SLI is designed to operate in industrial temperature ranges and is suitable for various industrial automation and control applications.
Q: What is the maximum cable length supported by KS8721SLI? A: KS8721SLI supports cable lengths up to 100 meters (328 feet) for both Category 5 and Category 6 Ethernet cables.
Q: Does KS8721SLI require any external components for operation? A: Yes, KS8721SLI requires a few external passive components such as resistors and capacitors for proper operation and signal conditioning.
Q: Can KS8721SLI be used in automotive applications? A: Yes, KS8721SLI is designed to meet the requirements of automotive applications and can operate in automotive temperature ranges.
Q: Are there any evaluation boards or reference designs available for KS8721SLI? A: Yes, Micrel (now Microchip) provides evaluation boards and reference designs that can help developers quickly prototype and integrate KS8721SLI into their systems.
Please note that the answers provided here are general and may vary depending on the specific implementation and requirements of your technical solution.