New Renesas RAA278830 LCD video processor ensures functional safety in automotive HUDs, clusters, and mirrors

As automotive safety systems are increasingly dependent on display systems, it has become more critical that clear, uncorrupted images be presented to the driver. Missing frames, frozen images, and even incorrect warning icons can seriously compromise driver safety. The RAA278830 addresses these concerns with Functional Safety features built into the device specifically to avoid any corruption of images through monitoring of the signal integrity as well as the video content itself. The internal diagnostics and measurement engines can detect frozen video, incorrect colors, broken or corrupt video images, as well as flashing, flickering, and video images that could obstruct the driver’s view of the road (in the case of HUD systems).

Key Features of the RAA278830

Dual Open-LDI Input/Output
ISO 26262 Functional Safety ASIL B rating
CRCs, parity, BIST, and redundancy safety mechanisms implemented throughout the entire data path
Video Diagnostic Capabilities
Input/Output monitoring of video timing, signal integrity, and content
Spread Spectrum for lower system level EMI profile
Image enhancement engine for superior image quality
Dual host interface: I2C & SPI (configurable)
SPI-Flash based OSD as well as an embedded font based OSD
SPI boot capability (boot from SPI Flash, no MCU needed)
Supports multi-bank for fail-safe OTA updates
Space-efficient 72SCQFN, 10mm x 10mm
AEC-Q100 Grade 2 qualified