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Vehicle Control Unit

Overview

The vehicle control unit (VCU) device facilitates the implementation of a service-oriented architecture (SOA) or software-defined vehicle (SDV). It supports zonal architecture by OEMs and can function as a central computer/gateway in entry-level and commercial vehicles. The automotive-control MCU provides sufficient performance headroom with a multi-core architecture compliant with functional safety (FuSa) standards from ASIL-B to ASIL-D.

System Benefits​:

  • Hardware design files and sample software are available, facilitating rapid prototyping and development of custom designs.
  • The MCU supports the No-Wait Over-the-Air (OTA) updates, allowing seamless software upgrades and maintenance without vehicle downtime.
  • The onboard embedded Multi-Media Card (eMMC) provides large storage for various use cases and supports the increasing data requirements of modern vehicles.

Block Diagram

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AS260 Main Connector AS260 AS260 AS260 DC/DC 1 DC/DC DC/DC DC/DC 2 DC/DC DC/DC Buffer x4 Buffer x4 Buffer x4 Buffer x4 Buffer x4 Buffer x4 Buffer x4 Gyro Gyro Gyro I/O Connector Ethernet Ethernet Ethernet Gb Ethernet Gb Ethernet Gb Ethernet eMMC eMMC eMMC NOR Flash NOR Flash NOR Flash Communication Card Connector Connector Arrow Connector Arrow.182 Connector Arrow.183 Connector Arrow.187 Sheet.200 Right arrow 1pt.1045 18 18 18 Sheet.195 Sheet.201 Right arrow 1pt.1045 7 7 7 Sheet.204 Sheet.205 Right arrow 1pt.1045 11 11 11 Sheet.208 Sheet.213 Right arrow 1pt.1045 2 2 2 Sheet.216 Sheet.217 Right arrow 1pt.1045 4 4 4 Sheet.220 Sheet.221 Right arrow 1pt.1045 4 4 4 Sheet.224 Sheet.225 Right arrow 1pt.1045 4 4 4 Sheet.228 4 Right arrow 1pt.1045 4 4 4 Sheet.232 Sheet.235 Right arrow 1pt.1045 2 2 2 Sheet.238 Sheet.239 Right arrow 1pt.1045 4 4 4 Sheet.242 2.243 Right arrow 1pt.1045 2 2 2 Sheet.246 8.247 Right arrow 1pt.1045 8 8 8 Sheet.250 12.251 Right arrow 1pt.1045 12 12 12 Sheet.254 Sheet.255 Right arrow 1pt.1045 16 16 16 Sheet.258 Buffer x4 Connector Line 12V Input 12V Input 12V Input 3.3/3Amax 3.3/3Amax 3.3/3Amax 1.09V/2.5Amax 1.09V/2.5Amax 1.09V/2.5Amax 3.3V 3.3V 3.3V Right arrow 1pt.1045 2 2 2 Sheet.275 Right arrow 1pt.277 3 3 3 Sheet.279 Right arrow 1pt.281 12 12 12 Sheet.283 Right arrow 1pt.285 8 8 8 Sheet.287 Right arrow 1pt.289 9 9 9 Sheet.291 RSENT RSENT RSENT PSI PSI PSI MSPI x3 MSPI x3 MSPI x3 Voltage, Current Sense Voltage, Current Sense Voltage, Current Sense HS/LS Switch Signal HS/LS Switch Signal HS/LS Switch Signal I/O Connector I/O Connector I/O Connector Communication Card Connector Communication Card Connector CommunicationCard Connector Ignition Sense Ignition Sense Ignition Sense ISO CAN x2 ISO CAN x2 ISO CAN x2 LIN x2 LIN x2 LIN x2 CAN x2 CAN x2 CAN x2 Main Connector Main Connector Main Connector MCU MCU MCU MCU VCC VCC VCC ISO ISO ISO GPIO 1 GPIO GPIO SPI 1 SPI SPI ADC ADC ADC I2C I2C I2C ETNBO ETNBO ETNBO ETNB1 ETNB1 ETNB1 CAN 2 CAN CAN GPIO 2 GPIO GPIO CAN 1 CAN CAN LIN LIN LIN SFMA SFMA SFMA UART UART UART SPI 2 SPI SPI

DC/DC

Buck Regulators (Integrated FETs)

DC/DC

Buck Regulators (Integrated FETs)

MCU

RH850 Automotive MCUs

NOR Flash

SPI NOR Flash