Overview
The KSZ8851-16MLLJ is a single-port Ethernet MAC/PHY controller designed by Microchip Technology. This device is optimized for high-performance and high-throughput Ethernet connectivity in traditional embedded systems. It features a 48-pin, lead-free LQFP (7mm x 7mm) package and supports both 8-bit and 16-bit generic host processor interfaces. The KSZ8851-16MLLJ is fully compliant with IEEE 802.3/802.3u standards and is suitable for a wide range of applications requiring fast Ethernet connectivity.
Key Specifications
| Parameter | Value |
|---|---|
| Package Type | 48-pin LQFP (7mm x 7mm) |
| Host Interface | 8-bit or 16-bit non-PCI |
| Operating Temperature | -40°C to +125°C (extended temperature range) |
| Supply Voltage | 1.8V, 2.5V, 3.3V |
| Supply Current | 85mA |
| PHY Support | 10BASE-T/100BASE-TX |
| Flow Control | IEEE 802.3x full-duplex, half-duplex backpressure collision flow control |
| Cable Diagnostics | Micrel LinkMD® for cable length and fault detection |
| Power Management | Energy detect mode, soft power-down mode |
Key Features
- Integrated MAC and PHY Ethernet Controller fully compliant with IEEE 802.3/802.3u standards
- Supports 10BASE-T/100BASE-TX and IEEE 802.3x full-duplex flow control
- Flexible 8-bit and 16-bit generic host processor interfaces with single shared data bus timing
- Micrel LinkMD® cable diagnostic capabilities for determining cable length and diagnosing faulty cables
- HP Auto-MDIX™ crossover support, eliminating the need for differentiating between straight or crossover cables
- Wake-on-LAN functionality with Magic Packet™, wake-up frame, network link state, and energy signal detection
- Low-power CMOS design with enhanced power management features including energy detect mode and soft power-down mode
- Comprehensive LED indicator support for link, activity, and 10/100 speed
- Built-in integrated 3.3V or 2.5V to 1.8V low noise regulator (LDO) for core and analog blocks
Applications
- Video/Audio Distribution Systems
- High-end Cable, Satellite, and IP set-top boxes
- Video over IP and IPTV
- Voice over IP (VoIP) and Analog Telephone Adapters (ATA)
- Industrial Control in Latency Critical Applications
- Home Base Station with Ethernet Connection
- Industrial Control Sensor Devices (Temperature, Pressure, Levels, and Valves)
- Security, Motion Control, and Surveillance Cameras Markets
- Fast Ethernet, Embedded Ethernet, and Industrial Ethernet
- Embedded Systems
Q & A
- What is the KSZ8851-16MLLJ used for?
The KSZ8851-16MLLJ is used to provide high-throughput Ethernet connectivity to traditional embedded systems.
- What are the supported host interfaces for the KSZ8851-16MLLJ?
The device supports 8-bit and 16-bit generic host processor interfaces.
- What are the operating temperature ranges for the KSZ8851-16MLLJ?
The device operates in a temperature range of -40°C to +125°C.
- What are the supply voltage options for the KSZ8851-16MLLJ?
The device supports supply voltages of 1.8V, 2.5V, and 3.3V.
- Does the KSZ8851-16MLLJ support Wake-on-LAN functionality?
Yes, it supports Wake-on-LAN functionality with Magic Packet™, wake-up frame, network link state, and energy signal detection.
- What is the Micrel LinkMD® feature in the KSZ8851-16MLLJ?
Micrel LinkMD® is a cable diagnostic feature that determines the length of the cabling plant and diagnoses faulty cables.
- Does the KSZ8851-16MLLJ support HP Auto-MDIX™?
Yes, it supports HP Auto-MDIX™, eliminating the need to differentiate between straight or crossover cables.
- What power management features does the KSZ8851-16MLLJ have?
The device features energy detect mode, soft power-down mode, and enhanced power management to ensure low-power dissipation during idle periods.
- What kind of LED indicators does the KSZ8851-16MLLJ support?
The device supports comprehensive LED indicators for link, activity, and 10/100 speed, which are user-programmable.
- What are some typical applications of the KSZ8851-16MLLJ?
Typical applications include video/audio distribution systems, high-end cable and satellite set-top boxes, VoIP, industrial control systems, and security cameras.
