Overview
The Microchip KSZ8895MQXIA is a highly integrated, Layer 2 managed, five-port switch designed for cost-sensitive 10/100Mbps Ethernet applications. This component is automotive qualified (AEC-Q100) and features low power requirements, making it suitable for a variety of industrial and automotive environments. The KSZ8895 family combines on-chip termination and an internal LDO regulator to minimize system cost and supports high-performance memory bandwidth with a shared memory-based switch fabric in a non-blocking configuration.
Key Specifications
| Parameter | Value |
|---|---|
| Number of Ports | 5 |
| Port Speed | 10/100Mbps |
| Package Type | 128-pin PQFP (KSZ8895MQX/RQX/FQX), 128-pin LQFP (KSZ8895ML) |
| Supply Voltage | 1.8V |
| Interface | I²C, SPI, SMI, MDC/MDIO |
| Switch Fabric | Shared memory-based, non-blocking configuration |
| Management Interfaces | SPI, SMI, MDC/MDIO |
| Package Dimensions | 14x20x2.72mm |
| Soldering Composition | Matte Tin |
Key Features
- Power management with programmable rate limit and priority ratio
- Tag/port-based VLAN and packet filtering
- Four queue QoS prioritization
- Management interfaces (SPI, SMI, MDC/MDIO)
- MIB counters for network monitoring
- Multiple CPU data interfaces (SW5-MII/RMII and PHY5 with P5-MII/RMII)
- EEPROM for setting control registers in unmanaged mode
- Automotive qualified (AEC-Q100)
Applications
The KSZ8895MQXIA is designed for various applications requiring cost-effective and low-power Ethernet switching solutions. These include:
- Automotive networking systems
- Industrial control systems
- Embedded systems requiring managed Ethernet switches
- IoT devices with Ethernet connectivity
- Other cost-sensitive 10/100Mbps Ethernet applications
Q & A
- What is the primary function of the KSZ8895MQXIA?
The KSZ8895MQXIA is a highly integrated, Layer 2 managed, five-port switch for 10/100Mbps Ethernet applications. - What are the key features of the KSZ8895MQXIA?
Key features include power management, VLAN, packet filtering, QoS prioritization, and multiple management interfaces. - What package types are available for the KSZ8895 family?
The KSZ8895 family is available in 128-pin PQFP and 128-pin LQFP packages. - Is the KSZ8895MQXIA automotive qualified?
Yes, the KSZ8895MQXIA is automotive qualified (AEC-Q100). - What are the supported interfaces for the KSZ8895MQXIA?
The supported interfaces include I²C, SPI, SMI, and MDC/MDIO. - Can the KSZ8895MQXIA be used in unmanaged mode?
Yes, the KSZ8895MQXIA can be set to unmanaged mode using EEPROM. - What is the significance of the MicroCHECK design review service for KSZ8895 users?
The MicroCHECK design review service provides expert feedback from Microchip engineers to enhance the design of projects using the KSZ8895, from initial concept to final PCB layout. - Why are part numbers ending with 'A' not recommended for new designs?
Part numbers ending with 'A' are not recommended for new designs because there is a newer version available, although both versions will continue to be supported. - What are the typical applications for the KSZ8895MQXIA?
Typical applications include automotive networking systems, industrial control systems, embedded systems, and IoT devices requiring Ethernet connectivity. - How does the KSZ8895MQXIA minimize system cost?
The KSZ8895MQXIA minimizes system cost through on-chip termination and an internal LDO regulator.
