Overview
The SJA1105PEL is part of the SJA1105PEL/QEL/REL/SEL Automotive Gigabit Ethernet Switch Family produced by NXP USA Inc. This switch is designed to meet the stringent requirements of automotive networking, particularly in the context of in-vehicle networks (IVN). It extends the capabilities of the SJA1105EL/TEL switches with enhanced security features and additional interface options. The SJA1105PEL is IEEE 802.3-compliant and supports various Ethernet modes, making it versatile for different automotive applications.
Key Specifications
| Specification | Details |
|---|---|
| Number of Ports | 5 ports |
| Port Configuration | Individually configurable for MII, RMII, and RGMII modes |
| Speed | 10 Mbit/s, 100 Mbit/s, and 1000 Mbit/s |
| Supply Voltage | 1.2 V core voltage, interface-dependent selectable I/O supply voltages |
| Package | LFBGA159 (12 mm x 12 mm) |
| Operating Temperature | -40°C to +105°C (Automotive Grade 2) |
| Functional Safety | Compliant with ISO 26262, part of NXP's SafeAssure program |
Key Features
- Support for Audio Video Bridging (AVB) and Time-Sensitive Networking (TSN)
- Hardware support for IEEE 802.1AS and IEEE 802.1Qav for AVB traffic
- Ingress rate-limiting on a per-port and per-priority basis for Unicast/Multicast and Broadcast traffic
- Frame replication and retagging of traffic, frame mirroring for enhanced diagnostics
- IEEE 1588v2 one-step sync forwarding in hardware
- IEEE 802.1X support for setting port reachability and disabling address learning
- Broadcast storm protection and statistics for dropped frames and buffer load
- Support for Time-Triggered Ethernet (TTEthernet) in SJA1105TEL variants
- Ring-based redundancy for time-triggered traffic
- 1024 deterministic Ethernet flows with per-flow based time-triggered traffic transmission, ingress policing, and reception window check
Applications
- Gateway applications in automotive networks
- Body domain controllers
- Interconnecting multiple Electronic Control Units (ECUs) in a daisy chain
- Infotainment and advanced driver assistance systems
Q & A
- What is the SJA1105PEL used for?
The SJA1105PEL is used in automotive networking applications, particularly in in-vehicle networks (IVN), to provide a reliable and secure Ethernet switch solution.
- How many ports does the SJA1105PEL have?
The SJA1105PEL has 5 ports.
- What are the supported Ethernet modes for the SJA1105PEL?
The SJA1105PEL supports MII, RMII, and RGMII modes.
- What is the operating temperature range of the SJA1105PEL?
The operating temperature range is -40°C to +105°C (Automotive Grade 2).
- Does the SJA1105PEL support functional safety standards?
Yes, it is compliant with ISO 26262 and part of NXP's SafeAssure program.
- What advanced networking features does the SJA1105PEL support?
The SJA1105PEL supports AVB, TSN, and TTEthernet in its variants.
- How does the SJA1105PEL handle traffic management?
The SJA1105PEL features ingress rate-limiting, frame replication, and retagging of traffic, as well as frame mirroring for diagnostics.
- Can the SJA1105PEL be used in daisy chain configurations?
Yes, it can be used to interconnect multiple ECUs in a daisy chain configuration.
- What kind of security features does the SJA1105PEL offer?
The SJA1105PEL includes IEEE 802.1X support and broadcast storm protection.
- Is the SJA1105PEL suitable for infotainment systems?
Yes, it is suitable for infotainment and advanced driver assistance systems due to its support for AVB and TSN.
