---
title: Integrating CAN, LIN and Ethernet in Vehicle Control Systems with the Raptor RCM112
description: How the Raptor RCM112's CAN FD, LIN and Ethernet interfaces let one control module bridge legacy and next-gen vehicle networks, and where EMB Power fits in.
---

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 Oct 16, 2026, 11:23:49 AM

# Integrating CAN, LIN and Ethernet in Vehicle Control Systems with the Raptor RCM112

[EMB Power Team](https://blog.emb-power.com/author/emb-power-team)

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CAN, LIN and Ethernet each do a different job on a modern vehicle network, and increasingly a single control module has to speak all three at once — bridging a legacy LIN sensor, a deterministic CAN FD powertrain bus, and an Ethernet backbone carrying ADAS or OTA traffic, without any of them blocking the others. At **EMB Power**, New Eagle's exclusive UK and EU partner for the Raptor toolchain, we specify and integrate the **Raptor RCM112** for exactly this kind of multi-protocol architecture, across automotive, marine, commercial vehicle and off-highway projects.

## Why Vehicle Networks Need All Three Protocols at Once

Each protocol earns its place for a different reason. CAN and CAN FD remain the right choice for deterministic, safety-relevant control — powertrain, braking and body functions that cannot tolerate unpredictable latency. LIN covers simple, lower-cost sensors and actuators, such as switches, seat position or climate controls, where a full CAN node would be overkill. Ethernet is what everything else increasingly needs: camera and LIDAR streams, centralised logging, diagnostics and over-the-air updates all demand bandwidth that CAN and LIN were never designed to carry. A modern architecture has to let all three coexist and interoperate rather than picking just one.

## The Integration Challenge: Translation, Timing and Security

Putting CAN, LIN and Ethernet on the same system raises problems that don't show up when each runs in isolation:

- **Message translation:** the three protocols use entirely different frame structures and timing models, so data crossing between them needs an active gateway function, not a simple wire splice.
- **Determinism:** safety-relevant CAN traffic must never be delayed by lower-priority Ethernet or LIN activity sharing the same controller.
- **Security:** Ethernet's openness introduces attack surface that classic CAN/LIN networks didn't have to consider, so domain segmentation matters more once Ethernet is in the mix.
- **Scalability:** the architecture needs headroom for features that haven't been specified yet, not just what's needed on day one.

## The Raptor RCM112: Hardware Built for Multi-Protocol Integration

The Raptor RCM112 is a control module built to carry all three protocols natively rather than relying on add-on converters. Per EMB Power's current specification, it provides five CAN FD channels (with wake-on-CAN support), two LIN channels configurable as master or slave (with wake-on-LIN support), and a 2-wire Ethernet interface, alongside SENT channels and configurable discrete I/O including analogue and frequency inputs and high/low-side driver outputs.1 That combination means a single module can sit at a network's busiest junction — bridging CAN, LIN and Ethernet domains — without stitching together separate gateway hardware for each protocol.

## How the RCM112 Enables Multi-Protocol Communication in Practice

### Native Multi-Bus Hardware

With CAN FD, LIN and Ethernet built into one automotive-qualified enclosure, the RCM112 can interface directly with practically any sensor, actuator or domain controller on the network, removing the need for fragile point-to-point protocol converters.

### Model-Based Configuration in Raptor-Dev

Using the Raptor-Dev environment in MATLAB/Simulink, engineers configure CAN, LIN and Ethernet interfaces as blocks in the same model used for the rest of the controls project — defining message translation, routing and failover logic graphically rather than hand-coding each protocol stack separately.

### Real-Time Routing Between Domains

A properly configured RCM112 can bridge a LIN actuator reading onto a CAN-based comfort controller, aggregate CAN/CAN FD traffic onto the Ethernet backbone for remote diagnostics or logging, and coordinate time-stamped data across domains for sensor fusion in hybrid or electric vehicle applications.

### Diagnostics and Calibration Across the Stack

Raptor-Cal supports real-time calibration and validation of switching and routing parameters during development, while Raptor-Service provides field diagnostics once the vehicle is deployed — covering all three protocols from the same toolchain rather than separate tools per bus.

## Example: Allocating RCM112 Resources on a Mixed-Protocol Platform

| Network Segment | Typical Allocation | Why |
| --- | --- | --- |
| CAN FD channels (up to 5) | Powertrain, chassis/safety, body/comfort, diagnostics | Deterministic, safety-relevant control traffic |
| LIN channels (up to 2) | Switches, seat modules, simple actuators | Low-cost nodes that don't need full CAN capability |
| Ethernet (2-wire) | ADAS camera feeds, OTA updates, centralised logging | High-bandwidth, non-deterministic traffic |

1 Specifications and pricing per EMB Power's current online product listing as of October 2026; confirm current specification and lead times with EMB Power before finalising a design.

## Frequently Asked Questions

**Does adding Ethernet to a CAN/LIN network mean replacing the existing architecture?**  
No. The RCM112 is designed to bridge the protocols, so existing CAN and LIN nodes can stay as they are while Ethernet is added for the specific functions — high-bandwidth sensors, OTA, diagnostics — that actually need it.

**Why not just use a standalone protocol converter instead of a control module?**  
A standalone gateway only translates between protocols. A model-programmable control module like the RCM112 can also run control logic and safety interlocks on the same hardware, cutting part count rather than adding another box to the network.

**What accessories does the RCM112 need to get started?**  
EMB Power supplies a dedicated 112-pin connector kit for the module to simplify bench and in-vehicle wiring; a technical sales conversation will confirm the full harnessing needed for a specific application.

## Why Partner With EMB Power

Specifying a multi-protocol control module is only the first step — wiring, CAN/LIN/Ethernet configuration and validation still have to be designed into the rest of the architecture correctly. As New Eagle's exclusive UK and EU partner for the Raptor and OpenECU toolchain, EMB Power supplies the RCM112 alongside its connector kit (SKU CON-KIT-RCM112) and the engineering support to integrate it: network architecture advice, Raptor-Dev configuration, and validation against the rest of your control system. If you're architecting a mixed CAN, LIN and Ethernet network, [get in touch with EMB Power](https://www.emb-power.com/contact) for current pricing and a tailored recommendation.

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