High-Speed SerDes
NXP's family of ASA Motion Link-compliant SerDes devices provide optimized solutions to securely distribute video, sensor and telematics data in safety critical autonomous driving systems (ADAS). A serializer/deserializer (SerDes) is an electronic circuit or integrated circuit (IC) transceiver used in high-speed communications to convert data between parallel and serial formats. The comprehensive portfolio of asymmetrical physical layer (PHY), SerDes and bridge ICs transport high-speed video and control data from interfaces such as Camera Serial Interface-2 (CSI-2) and inter-integrated circuit (I²C) over multi-Gigabit SerDes links.
ASA Motion Link Camera and Sensor Connectivity
| Product | ASA ML Port Support | Auto FuSa | Security Specifications | AEC-Q100 | Precision Time Base (PTB) | ||
|---|---|---|---|---|---|---|---|
| Authentication | Encryption | Integrity check | |||||
| AVL140XXnewPreproduction | 16 Gbps each | Grade 2 (-40 °C to 105 °C) | |||||
NXP to Acquire Automotive Networking Pioneer Aviva Links
NXP expands its automotive networking and connectivity portfolio with the acquisition of Aviva Links, a pioneer of ASA-based asymmetrical links for ADAS and IVI applications.
ASA (Automotive SerDes Alliance) Motion Link
ASA compliant solution to securely distribute video and sensor data within Automotive ADAS systems.
Learn More About The High-Speed SerDes Family
What is the Automotive SerDes Alliance (ASA)?
The ASA is a non-profit industry alliance of automotive technology providers collaborating to standardize asymmetric SerDes technology. The group currently has more than 160 active member companies that work together to industrialize and promote the “ASA Motion Link”. The member companies of ASA include representatives from the complete automotive ecosystem, including car manufacturers, tier-one suppliers, semiconductor vendors, cable and connector manufacturers, test tool vendors and test houses.
What is a serializer/deserializer (SerDes)
A serializer/deserializer (SerDes) is a high-speed interface technology that converts data between parallel and serial formats. The serializer takes wide parallel data streams and compresses them into a single high-speed serial stream for transmission over fewer physical connections. The deserializer reverses this process at the receiving end, restoring the original parallel data for processing. This approach reduces wiring complexity, improves signal integrity, and enables reliable high-bandwidth communication in space-constrained environments. In automotive systems, SerDes is essential for connecting cameras, sensors and displays to domain controllers with minimal latency and maximum reliability.
What downstream and upstream speeds are supported by ASA Motion Link?
- Downstream rates: 16 Gbps / 12 Gbps / 8 Gbps / 4 Gbps / 2 Gbps
- Upstream rates: 100 Mbps / 50 Mbps
Which automotive cables are supported by ASA Motion Link?
- 50 Ω Coax up to 15 meters with Power Delivery (PD)
- 100 Ω shielded twisted pair (STP) cable up to 10 meters with Power Delivery
What is time division duplexing (TDD) technology?
The ASA Motion Link defines an asymmetric PHY based on TDD. The downstream and upstream traffic are separated in time, ensuring that the traffic does not overlap on the wire. This results in significant benefits in terms of power, performance and implementation complexity.
What are the key advantages for automotive applications?
- Configurable ports provide system design flexibility and fewer product variants
- Lower power consumption
- More efficient Power over Coax with smaller solution size
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