GMSL-Signalmodul Model A270164

Chroma A270164 GMSL Signal ModuleDie hier aufgeführten Informationen entsprechen dem aktuellen Stand der vorläufigen Produktspezifikationen und können jederzeit ohne vorherige Ankündigung angepasst werden.

GMSLTM (Gigabit Multimedia Serial Link) ist eine asymmetrische, vollduplexfähige SerDes-Technologie, die von Analog Devices entwickelt wurde. Sie wird vorwiegend für die Signalübertragung innerhalb von Fahrzeugen eingesetzt, beispielsweise in Navigations- und Infotainmentsystemen, Rückfahrkameras sowie Fahrerassistenzsystemen (ADAS). GMSL wandelt parallele Datenströme in serielle Hochgeschwindigkeitssignale um, die über Twisted-Pair- oder Koaxialkabel übertragen werden können. Dadurch werden hohe Datenraten und große Übertragungsdistanzen von bis zu 15 Metern ermöglicht.
*GMSLTM ist eine eingetragene Marke von Analog Devices, Inc.

Chroma A270164 GMSL Signal Module


Das A270164 GMSLTM-Signalmodul unterstützt die neuesten GMSLTM-III-Übertragungsraten und gewährleistet gleichzeitig die Kompatibilität mit GMSLTM II. Über einen einzelnen Port lassen sich flexibel drei Lane-Rate-Einstellungen mit 3, 6 oder 12 Gbps konfigurieren.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


Mit der zunehmenden Komplexität moderner Fahrzeugsysteme – etwa für Antrieb, Beleuchtung, Klimatisierung und Sicherheit – steigen auch die Anforderungen an effiziente und zuverlässige Kommunikationslösungen. Das Chroma A270164 unterstützt die standardisierten LIN- und CAN-Bus-Protokolle und bietet hohe Zuverlässigkeit, Echtzeitfähigkeit sowie gute Skalierbarkeit bei gleichzeitig ausgezeichneter EMI-Störfestigkeit. Insbesondere LIN eignet sich ideal für periodische und nicht zeitkritische Anwendungen im Fahrzeug.


Um modernen Fahrzeug-Innenraumdesigns gerecht zu werden, unterstützt das A270164 die Prüfung von DUTs mit verschiedenen Sonder‑Seitenverhältnissen. Testparameter können flexibel angepasst werden, um vielfältige Prüfanforderungen zu erfüllen und Produktionskosten zu senken.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module

 

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


Das Modul unterstützt dynamische In‑Car‑Bilddateien und bis zu 8 GB interne DDR‑Speicherung für kontinuierliche Wiedergabe. Bildaktualisierungen im Millisekundenbereich ermöglichen realitätsnahe Darstellungs- und Demoanwendungen.


Moderne fahrzeuginterne Signalübertragung umfasst Single‑Ended‑ und differentielle Signale. Single‑Ended‑Signale verwenden eine einzelne Leitung, während differentielle Signale zwei Leitungen (P und N) nutzen, um Störungen zu reduzieren. Das A270164 unterstützt beide Signaltypen mit Dualausgängen.

Chroma A270164 GMSL Signal Module

DSC (Display Stream Compression) ermöglicht die effiziente Übertragung hochauflösender Videodaten durch Komprimierung auf der Senderseite und nahezu verlustfreie Wiederherstellung auf der Empfängerseite.

Chroma A270164 GMSL Signal Module

Chroma A270164 GMSL Signal Module


Das A270164 unterstützt Farbtiefen von 6/8/10 Bit. Für 10‑Bit‑Farbtiefe ist DSC erforderlich. Unterstützt werden VESA DSC 1.1 und 1.2 und ermöglichen flexible Benutzeranpassungen.


Die neueste GMSLTM III‑Generation nutzt PAM4‑Modulation, die höhere Datenraten bei geringerem Frequenzbedarf ermöglicht. PAM4 verwendet vier Signalpegel und verdoppelt die Datenmenge im Vergleich zu NRZ bei gleicher Bandbreite. This technology is particularly suitable for automotive imaging and display systems, providing a high-performance connectivity solution for smart cockpits and advanced driver-assistance systems (ADAS). PAM4 is a highly efficient digital signal modulation technology widely used in high-speed data transmission applications. Compared to traditional NRZ (Non-Return-to-Zero) binary signaling, which uses only two voltage levels (0 and 1), PAM4 expands the signal to four levels (00, 01, 10, 11), and each symbol carries 2 bits of information, effectively doubling the data throughput within the same bandwidth.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


In a GMSL system, I2C (Inter-Integrated Circuit) is primarily used to control and manage functions. Communication is carried out through two signal lines — SDA (data line) and SCL (clock line) — excluding power and ground connections. With these two lines, multiple devices can be connected, making I2C suitable for non–high-speed data transmission applications such as Device Control & Configuration, Automotive Camera Module Control, Display & Panel Control, reading status information and error codes/System Diagnostics and Remote Firmware Updates.


SPI (Serial Peripheral Interface) is a synchronous, full-duplex, high-speed serial communication interface that uses a master–slave architecture. It operates through four signal lines —CS (Chip Select), SCLK (Serial Clock), MISO (Master In Slave Out), and MOSI (Master Out Slave In) — enabling short-distance and highly efficient data transmission, which is widely used in embedded systems and automotive electronic devices. In automotive signal testing applications, SPI can utilize the GMSL Passthrough mode to enable remote reading of product information or parameter configuration. This architecture eliminates the need for additional wiring, effectively reduces cabling costs and electromagnetic interference (EMI), while greatly enhancing testing and maintenance flexibility and efficiency.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


Line Fault Detection is a critical monitoring mechanism in GMSL automotive applications, enabling real-time detection of various line abnormalities to enhance system safety and maintenance efficiency. With the Line Fault Detection function, the A270164 can simulate the status of an in-vehicle serial communication system, read and report fault conditions, and support remote monitoring, such as signal abnormalities caused by signal loss due to line disconnection, interference or damage caused by short circuits between signal lines. Furthermore, through Line Fault Detection, the host system can instantly diagnose signal anomalies, significantly improving the overall system reliability, simplifying troubleshooting, and reducing maintenance costs and downtime risks.

UART (Universal Asynchronous Receiver/Transmitter) is a widely used serial communication protocol known for its simple and efficient data transmission capabilities, commonly applied in low-speed control communication between electronic devices. Within the GMSL (Gigabit Multimedia Serial Link) system architecture, UART serves as a critically controlled communication channel, managing and configuring the communication process between the Serializer and Deserializer, and it can be extended to support integrated control of external devices.

Chroma A270164 GMSL Signal Module


SSC (Spread Spectrum Clocking) is a clock modulation technique designed to reduce electromagnetic interference (EMI) generated by electronic devices. It works by modulating or spreading the clock signal’s frequency, thereby minimizing concentrated energy at specific frequencies and reducing peak radiated power, which in turn decreases interference between devices. The A270164 features a Center Spread SSC configuration mode, offering on/off control and supporting modulation deviations of 268/580/970/1750/2530 ppm.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


The A270164 GMSLTM signal module can activate the VPG (Video Pattern Generator) mode to display standard test patterns, enabling self-testing applications.

The Chroma A270164 image output testing function primarily focuses on evaluating factors that affect visual perception and display quality. It comes with multiple DFF (Deutsches Flachdisplay-Forum e.V.)-defined DMS (Display Measurement Specifications) test patterns, including grayscale, color bars, and window-type patterns, allowing users to perform comprehensive visual performance evaluations.
*DFF is a trademark of Deutsches Flachdisplay-Forum e.V.

Chroma A270164 GMSL Signal Module
Chroma A270164 GMSL Signal Module


Equipped with a built-in eMMC (Embedded MultiMedia Card), the A270164 can store up to 1,200 BMP image files, depending on image resolution, with each BMP supporting a maximum resolution of 8K. In addition to using the preloaded test patterns, users can add their own test patterns to meet diverse testing requirements.
*The total number of images depends on the module resolution.

Equipped with an External Control interface, the system includes a 12V power supply for applications such as wake-up voltage, along with 8 independent GPIO controls (configurable as input or output). Additionally, I2C communication can be accessed through the Passthrough mode to read DUT (Device Under Test) information, supporting integration with future peripheral applications.

Chroma A270164 GMSL Signal Module


The A270164 GMSLTM signal module features a built-in in-vehicle script editor (Script) function, designed for device configuration and control. This function is especially useful during the design, testing, and production stages, allowing users to adjust and test parameters based on the DUT’s current status. It also enables direct product control and automation of related applications, significantly reducing operation time and improving testing efficiency.

Chroma A270164 GMSL Signal Module

FEC (Forward Error Correction) is a technique used in unidirectional communication systems to detect and correct transmission errors. It does so by adding redundant information to the data, thereby reducing the bit error rate. The A270164 supports FEC (DP 2.1 version) for packet transmission, enabling automatic error detection, correction, and data recovery to prevent data loss or corruption during transmission.

Chroma A270164 GMSL Signal Module

Chroma A270164 GMSL Signal Module


Electrical Static Discharge (ESD) has long been a major concern in electronic product design, as normal operation can easily be disrupted when devices are exposed to static discharge, causing unstable behavior or sudden malfunction. To prevent damage to integrated circuits during manufacturing or operation, the A270164 complies with IEC/EN 61000-4-2 ESD protection standards (15kV Air/8kV Contact Discharge). It is equipped with built-in ESD protection circuitry, providing comprehensive safeguarding against internal circuit damage caused by ESD events.

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