Overview
The SJA1105TEL518 is an IEEE 802.3-compliant 5-port automotive Ethernet switch produced by NXP USA Inc. This device is designed to meet the stringent requirements of automotive networking, offering high flexibility and performance. It supports various Ethernet modes, including MII, RMII, and RGMII, allowing it to connect with a mix of switches, microprocessors, and PHY devices. The SJA1105TEL518 is particularly suited for applications in gateway systems, body domain controllers, and interconnecting multiple Electronic Control Units (ECUs) in a daisy chain configuration.
Key Specifications
| Specification | Details |
|---|---|
| Number of Ports | 5 |
| Interface Modes | MII, RMII, RGMII |
| Operating Speeds | 10 Mbit/s, 100 Mbit/s, 1000 Mbit/s |
| Core Voltage | 1.2 V |
| Package Type | LFBGA159 (12 mm x 12 mm) |
| Operating Temperature | -40°C to +105°C |
| Frame Buffer | 128 kB |
| MAC Address Learning Table | 1024 entries |
| VLAN Support | 4096 VLANs |
| QoS Handling | IEEE 802.1Q compliant |
| AVB Support | IEEE 802.1AS and IEEE 802.1Qav |
| Time-Sensitive Networking (TSN) | Supported |
| Time-Triggered Ethernet (TTEthernet) | Supported |
Key Features
- IEEE 802.3 compliance for standard Ethernet operations
- Individual port configuration for MII, RMII, and RGMII modes
- Support for Audio Video Bridging (AVB) and Time-Sensitive Networking (TSN)
- Time-Triggered Ethernet (TTEthernet) support
- 128 kB frame buffer and 1024 entry MAC address learning table
- 4096 VLANs with egress tagging/untagging on a per-VLAN basis per port
- Quality of Service (QoS) handling based on IEEE 802.1Q
- Per-port priority remapping and 8 configurable egress queues per port
- Ingress rate-limiting on a per-port and per-priority basis
- Frame replication, retagging, and mirroring for enhanced diagnostics
- IEEE 1588v2 one-step sync forwarding in hardware
- IEEE 802.1X support for port reachability and address learning control
- Broadcast storm protection and statistics for dropped frames and buffer load
Applications
The SJA1105TEL518 is designed for various automotive applications, including:
- Gateway systems: Centralized networking hubs connecting different domains within a vehicle.
- Body domain controllers: Managing and coordinating functions related to the vehicle's body systems.
- Interconnecting ECUs: Forming daisy chain configurations to link multiple Electronic Control Units.
- Infotainment systems: Supporting advanced driver assistance systems and multimedia applications through AVB.
Q & A
- What is the SJA1105TEL518?
The SJA1105TEL518 is a 5-port automotive Ethernet switch produced by NXP USA Inc., compliant with IEEE 802.3 standards.
- What interface modes does the SJA1105TEL518 support?
The device supports MII, RMII, and RGMII interface modes.
- What are the operating speeds of the SJA1105TEL518?
The device operates at speeds of 10 Mbit/s, 100 Mbit/s, and 1000 Mbit/s.
- What is the core voltage of the SJA1105TEL518?
The core voltage is 1.2 V.
- What is the package type of the SJA1105TEL518?
The device comes in an LFBGA159 package (12 mm x 12 mm).
- What is the operating temperature range of the SJA1105TEL518?
The operating temperature range is -40°C to +105°C.
- Does the SJA1105TEL518 support Audio Video Bridging (AVB)?
Yes, it supports AVB and also Time-Sensitive Networking (TSN) and Time-Triggered Ethernet (TTEthernet).
- What is the frame buffer size of the SJA1105TEL518?
The frame buffer size is 128 kB.
- How many VLANs does the SJA1105TEL518 support?
The device supports up to 4096 VLANs.
- What QoS features does the SJA1105TEL518 offer?
The device offers QoS handling based on IEEE 802.1Q, with per-port priority remapping and 8 configurable egress queues per port.
- What are some of the diagnostic features of the SJA1105TEL518?
The device includes features such as frame replication, retagging, and mirroring for enhanced diagnostics.
