Overview
The KSZ8863MLL is a highly integrated 3-port switch IC designed by Microchip Technology. It is part of the KSZ8863 family, which includes variants such as the KSZ8863RLL and KSZ8863FLL. These devices are engineered to enable a new generation of low port count, cost-sensitive, and power-efficient 10/100Mbps switch systems. The KSZ8863MLL is particularly suited for applications requiring advanced power management and sophisticated Quality of Service (QoS) features, making it ideal for IPTV, IP-STB, VoIP, automotive, and industrial use cases.
Key Specifications
| Parameter | Specification |
|---|---|
| Number of Ports | 3 |
| Port Configuration | Two 10/100BASE-T/TX transceivers and one MII interface |
| Package Type | RoHS-compliant 48-pin LQFP |
| Operating Speed | 10/100Mbps |
| Power Management | Software power down, per port power down, energy detect mode, by-pass mode |
| QoS Features | IPv6 priority classification support, 4-queue (per port) traffic prioritization |
| Compliance | IEEE 802.3 (full/half-duplex 10BASE-T and 100BASE-TX), IEEE 802.3az Energy Efficient Ethernet (EEE) |
Key Features
- Advanced power management schemes including software power down, per port power down, and energy detect mode.
- By-pass mode to enable system-level power savings without impacting normal switch operation.
- Sophisticated QoS features such as IPv6 priority classification support and 4-queue (per port) traffic prioritization based on port, 802.1p, 802.1Q VLAN tags, or Differential Services.
- Source address filtering to enable the implementation of Ethernet ring networks for industrial control and automotive applications.
- Tail tag mode at Port 3 to reduce CPU overhead by indicating which port receives the ingress packet.
Applications
- IP Set-Top Box
- IP Television/IP Television POF
- IP phone/Video phone
- Analog Telephone Adapter (ATA)
- Automotive Infotainment
- Industrial control
- Media converter
Q & A
- What is the primary function of the KSZ8863MLL?
The KSZ8863MLL is a highly integrated 3-port switch IC designed for low port count, cost-sensitive, and power-efficient 10/100Mbps switch systems.
- What are the key power management features of the KSZ8863MLL?
The device features software power down, per port power down, energy detect mode, and by-pass mode for system-level power savings.
- What QoS features does the KSZ8863MLL support?
The device supports IPv6 priority classification, 4-queue (per port) traffic prioritization based on port, 802.1p, 802.1Q VLAN tags, or Differential Services.
- What package type is the KSZ8863MLL available in?
The device is available in a RoHS-compliant 48-pin LQFP package.
- What are some of the typical applications for the KSZ8863MLL?
Typical applications include IP Set-Top Box, IP Television, IP phone, Automotive Infotainment, Industrial control, and Media converter.
- Does the KSZ8863MLL support Energy Efficient Ethernet (EEE)?
Yes, the device complies with IEEE 802.3az Energy Efficient Ethernet (EEE) for 100Mbps operation.
- What is the by-pass mode in the KSZ8863MLL?
The by-pass mode allows the processor connected to the switch through the MII interface to be shut down without impacting normal switch operation, enabling system-level power savings.
- How does the tail tag mode at Port 3 work?
The tail tag mode at Port 3 reduces CPU overhead by using a tail tag before the frame checksum to indicate which port receives the ingress packet.
- Is the KSZ8863MLL available in industrial and automotive grades?
Yes, the device is available in both industrial-grade and automotive-grade versions.
- What is the MicroCHECK design review service offered by Microchip?
Microchip's MicroCHECK design review service provides confidential and complimentary design review from initial concept to final PCB layout, offering individualized feedback to enhance the design.
