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R-Car H3


Better computing capabilities and compliance with functionality safety standard

The R-Car H3 delivers computing capabilities that exceed those of its predecessor the R-Car H2, enabling it to be used as the automotive computing platform for the autonomous-driving era. The R-Car H3 is compliant with the ISO 26262 (ASIL-B) functionality safety standard for automotive, and has enhanced security functions and improved robustness. The R-Car H3 is a new solution that can be applied to a wide range of in-vehicle infotainment systems as well as driving safety support systems.


  1. Compliant with ISO 26262 (ASIL-B) functionality safety standard for automotive
  2. System-on-chip (SoC) for automotive using brand-new architecture, enabling highest level of performance
  3. Availability of SIP modules with external memory to reduce the design workload
  4. Compatibility with previous products enables use of existing ecosystem and access to over 180 R-Car Consortium partners

Offers optimal solutions matched to ever-evolving technologies

System Block Diagram

R-Car H3


Item R-Car H3 Specifications
Product name (part number) R-Car H3 (R8J77950(SiP), R8A77950(SoC))
Power supply voltage 3.3/1.8 V(IO), 1.1V(LPDDR4), 0.8V(core), 2.5V(EthernetAVB)
CPU core Arm®Cortex®-A57

Dual lock-step

Cache memory L1 Instruction cache:48KB
L1 Operand cache:32KB
L2 cache:2MB
L1 Instruction cache:32KB
L1 Operand cache:32KB
L2 cache:512kB
L1 Instruction cache:32KB
L1 Operand cache:32KB
External memory
  • Maximum operating frequency: 1600 MHz
  • Data bus width:32 bits x 4 ch (12.8GB/s x 4)
Expansion bus
  • PCI Express2.0 (1 lane) x 2 ch
3D Graphics
  • IMG PowerVR Series6XT GX6650
  • Display Out x 3 ch
  • Video Input x 8 ch
  • Video codec module (H.265, H.264/AVC, MPEG-4, VC-1, etc.)
  • IP conversion module
  • TS Interface x 2 ch
  • Stream and Security Processor
  • Video image processing (Up and down scaling, Dynamic γ correction, Color space conversion, I/P conversion, Super resolution processing, Rotation, Visual near lossless image compression)
  • Distortion compensation module x 4 ch(IMR-LSX4)
  • High performance Real-time Image recognition processor(IMP-X5)
  • Audio DSP
  • Sampling rate converter × 10 ch
  • Serial sound interface × 10 ch
Storage interfaces
  • USB 3.0 Host interface (DRD) × 1 ports (wPHY)
  • USB 2.0 Host/Function/OTG interface × 2 ports (wPHY)
  • SD Host interface × 4 ch (SDR104)
  • Multimedia card interface × 2 ch
  • Serial ATA interface × 1 ch
In car network and
automotive peripherals
  • Media local bus (MLB) Interface × 1 ch (3 pin interface)
  • Controller Area Network (CAN-FD support) Interface × 2ch
  • Ethernet AVB 1.0-compatible MAC built in
    Interface: RGMII
    Ethernet AVB (802.1BA)
  • Crypto engine (AES, DES, Hash, RSA) × 2 ch
  • SystemRAM
Other peripherals
  • SYS-DMAC x 48 ch, Realtime-DMAC x 16 ch,
    Audio-DMAC x 32 ch, Audio(peripheral)-DMAC x 29 ch
  • 32bit timer x 26 ch
  • PWM timer × 7 ch
  • I2C bus interface × 7 ch
  • Serial communication interface (SCIF) × 11 ch
  • Quad serial peripheral interface (QSPI) x 2 ch (for boot, HyperFlash support)
  • Clock-synchronized serial interface (MSIOF) × 4 ch (SPI/IIS)
  • Ethernet controller (IEEE802.3u, RMII, without PHY)
  • Digital radio interface (DRIF) × 4 ch
  • Interrupt controller (INTC)
  • Clock generator (CPG) with built-in PLL
  • On chip debugger interface
Low power mode
  • Dynamic Power Shutdown
  • AVS(Adaptive Voltage Scaling), DVFS(Dynamic Voltage and Frequency Scaling), DDR-SDRAM power supply backup mode
Package 1255 pin SiP module (42.5mm × 42.5mm, 0.8mm pitch)
1384 pin Flip chip BGA (21mm × 21mm, 0.5mm pitch)
ICE for Arm CPU available from different vendors
Evaluation board A user system development reference platform offering the following features is also available, enabling the users to carry out efficient system development.
(1) Includes car information system-oriented peripheral circuits, providing users with an actual device verification environment.
(2) Can be used as a software development tool for application software, etc.
(3) Allows easy implementation of custom user functions.
Software Platform
  • Supported OSs: Linux, Android, QNX® Neutrino® RTOS, Green Hills INTEGRITY® RTOS and Multivisor™ , others
  • OpenGL ES3.1 3D graphics library, Wide variety of H.265, H.264, MPEG-4 and VC-1 for video compliant with OpenMAX IL I/F in addition to BSPs compliant with OSs standard API are available to realize complete system concept.

・Arm, Cortex is a registered trademark of Arm Limited. NEON is a trademark of Arm Limited.
・PowerVR, SGX is a trademark or a registered trademark of Imagination Technologies Ltd. (UK).v
・CAN (Controller Area Network): An automotive network specification developed by Robert Bosch GmbH of Germany.
・Linux is a registered trademark or trademark of Linus Torvalds in Japan and other countries.
・QNX and Neutrino are trademarks of QNX Software Systems GmbH & Co. KG, registered in certain jurisdictions, and are used under license by QNX Software Systems Co.
・Other product name and service name under release are the trademarks or registered trademarks that all belong to each owner.