Overview
The SJA1105TELY is a 5-port automotive Ethernet switch produced by NXP USA Inc. It is designed to meet the stringent requirements of the automotive industry, offering a robust and flexible solution for various automotive networking applications. This switch is IEEE 802.3-compliant and supports multiple interface modes, including MII, RMII, and RGMII, making it versatile for connecting different types of devices such as switches, microprocessors, and PHY devices.
Key Specifications
| Specification | Details |
|---|---|
| Number of Ports | 5 |
| Interface Modes | MII, RMII, RGMII |
| Operating Speeds | 10 Mbit/s, 100 Mbit/s, 1000 Mbit/s |
| Package Type | LFBGA159 (12 mm x 12 mm) |
| Core Voltage | 1.2 V |
| Ambient Operating Temperature | -40°C to +105°C |
| Compliance | AEC-Q100, RoHS, ELV, China RoHS |
| Frame Buffer | 128 kB |
| MAC Address Learning Table | 1024 entries |
| VLAN Support | 4096 VLANs |
| QoS Handling | Based on IEEE 802.1Q |
Key Features
- IEEE 802.3-compliant 5-port store and forward architecture
- Each port individually configurable for MII, RMII, and RGMII operation
- Support for Audio Video Bridging (AVB) and Time-Sensitive Networking (TSN)
- Time-Triggered Ethernet (TTEthernet) support in the TEL variant
- Interface-dependent selectable I/O supply voltages
- Small footprint with LFBGA159 package
- Automotive Grade 2 ambient operating temperature range
- Hardware support for IEEE 802.1AS and IEEE 802.1Qav for AVB traffic
- Ingress and egress timestamping per port
- IEEE 1588v2 one-step sync forwarding in hardware
- Broadcast storm protection and statistics for dropped frames and buffer load
Applications
The SJA1105TELY is designed for various automotive scenarios, including:
- Gateway applications
- Body domain controllers
- Interconnecting multiple Electronic Control Units (ECUs) in a daisy chain
- Infotainment and advanced driver assistance systems (ADAS)
Q & A
- What is the SJA1105TELY?
The SJA1105TELY is a 5-port automotive Ethernet switch produced by NXP USA Inc. - What interface modes does the SJA1105TELY support?
The SJA1105TELY supports MII, RMII, and RGMII interface modes. - What are the operating speeds of the SJA1105TELY?
The SJA1105TELY operates at speeds of 10 Mbit/s, 100 Mbit/s, and 1000 Mbit/s. - What is the package type of the SJA1105TELY?
The SJA1105TELY comes in an LFBGA159 package with a footprint of 12 mm x 12 mm. - What is the core voltage of the SJA1105TELY?
The core voltage of the SJA1105TELY is 1.2 V. - What is the ambient operating temperature range of the SJA1105TELY?
The ambient operating temperature range is -40°C to +105°C. - Is the SJA1105TELY compliant with automotive standards?
Yes, it is compliant with AEC-Q100 and various environmental regulations like RoHS, ELV, and China RoHS. - What is the frame buffer size of the SJA1105TELY?
The frame buffer size is 128 kB. - Does the SJA1105TELY support VLANs?
Yes, it supports up to 4096 VLANs. - What QoS handling does the SJA1105TELY support?
The SJA1105TELY supports QoS handling based on IEEE 802.1Q.
