Overview
The SJA1105Q-EVB is an evaluation board designed to support the SJA1105P/Q/R/S automotive Ethernet switch family from NXP USA Inc. This board is part of NXP's comprehensive solution for automotive networking, focusing on safety, security, and high-performance Ethernet switching. The SJA1105Q-EVB enables developers to evaluate and integrate the features of the SJA1105 switch family, which includes improved security-related features, extended interface options, and compliance with automotive safety standards such as ISO 26262 through NXP's SafeAssure program.
Key Specifications
| Specification | Details |
|---|---|
| Package Type | LFBGA-159, 12 x 12 mm |
| Operating Temperature Range | -40°C to +105°C (Automotive Grade 2) |
| Number of Ports | Five ports |
| Interface Options | MII, RMII, RGMII, SGMII |
| Speed | 10/100/1000 Mbit/s |
| PHY Support | Support for any type of external PHY such as 100/1000BASE-T1 and 1000BASE-TX |
| Functional Safety | Compliant with ISO 26262, AEC-Q100 Grade 1 |
| Security Features | MAC address filtering, TCAM based allow-listing/deny-listing of MAC addresses |
Key Features
- Non-blocking switch core with all ports capable of operating at gigabit speed
- Support for Audio Video Bridging (AVB) and Time-Sensitive Networking (TSN/802.1Qbv)
- Extended I/O voltage supply options and new SGMII interface
- Frame listing feature to limit switch data processing to known sources, preventing erroneous or malicious data forwarding
- Integration with NXP’s Smart Application Blueprint for Rapid Engineering (SABRE)
- Production-grade software development kit (SDK), AUTOSAR drivers, and AVB/gPTP software stack
- Linux drivers and compatibility with NXP processor motherboards such as i.MX 6, i.MX 8, and S32x processor families
Applications
- Automotive in-vehicle networking (IVN) applications
- Inter-processor communication between multiple processors and DSPs on the same board
- Advanced driver-assistance systems (ADAS)
- Infotainment systems
- Automotive control units requiring high-speed, secure, and reliable Ethernet connectivity
Q & A
- What is the SJA1105Q-EVB evaluation board used for?
The SJA1105Q-EVB is used to evaluate and integrate the features of the SJA1105P/Q/R/S automotive Ethernet switch family.
- What are the key safety features of the SJA1105 switch family?
The SJA1105 switch family is compliant with ISO 26262 and AEC-Q100 Grade 1, ensuring high functional safety standards.
- What types of Ethernet interfaces does the SJA1105 support?
The SJA1105 supports MII, RMII, RGMII, and SGMII interfaces.
- Can the SJA1105 operate with external PHYs?
Yes, it supports any type of external PHY such as 100/1000BASE-T1 and 1000BASE-TX.
- What security features are included in the SJA1105?
The SJA1105 includes MAC address filtering and TCAM based allow-listing/deny-listing of MAC addresses.
- Is the SJA1105 compatible with NXP processor motherboards?
Yes, it is compatible with i.MX 6, i.MX 8, and S32x processor families.
- What software tools are available for the SJA1105?
Production-grade SDK, AUTOSAR drivers, AVB/gPTP software stack, and Linux drivers are available.
- What is the operating temperature range of the SJA1105?
The operating temperature range is -40°C to +105°C (Automotive Grade 2).
- Does the SJA1105 support Audio Video Bridging (AVB) and Time-Sensitive Networking (TSN)?
Yes, it supports AVB and TSN/802.1Qbv.
- What is the purpose of the frame listing feature in the SJA1105?
The frame listing feature limits switch data processing to known sources, preventing the forwarding of erroneous or malicious data.
