The R-Car H1 is an SoC (system-on-chip) for next-generation high-end car infotainment systems that integrates a quad-core high-performance Arm® Cortex®-A9 processor (1 GHz) supporting versatile operating systems, one Renesas SH-4A high-reliability real-time processing CPU core, a high-performance graphics processor and two image recognition processing IPs, a dedicated audio processing digital signal processor (DSP), and a variety of many other peripheral functions.

  • 12 GIPS CPU performance enables simultaneous control of a variety of applications and large-volume data processing via a network
  • Dual-core PowerVR SGX enables 40Gflops, 83 M polygons (mega-polygons) per second graphics processing and user-friendly navigation with realistic 3D images
  • 1080/60p full HD (high-definition) video payback processing and other multimedia functions
  • A top-view (360-degree view) system realized by a single chip, and other built-in dual-core image recognition engines for assisting the driver
  • Dedicated power supply IC for use in a voltage regulator enables low-power consumption and quicker time to market
System Block Diagram

R-Car H1 System Block Diagram

Item R-Car H1 Specifications
Product No. R-Car H1 (R8A77790)
Power supply voltage 3.3 V (IO), 1.5 V (DDR3), 1.2 V (Core), 2.5 V (PCIe, MLB), 1.8 V (SDIF UHS-I)
CPU core Arm® Cortex®-A9 Quad (with NEON™) SH-4A core
operating frequency
1000 MHz 800 MHz
10000 DMIPS 1760DMIPS(Effective), 5600MFLOP
Cache memory Instruction cache: 32 Kbytes
Operand cache: 32 Kbytes
L2 cache : 1 MB
Instruction cache: 32 Kbytes
Operand cache: 32 Kbytes
External memory DDR3-SDRAM (DDR)
Maximum operating frequency: 500 MHz
Data bus width: 32 bits × 2 channel (4 GB/s × 2 ch)
Expansion bus Flash ROM and SRAM
Data bus width: 8 or 16 bits
PCI Express 2.0 (1 lane)
Graphics PowerVR SGX543MP2 (3D)
Renesas graphics processor (2D)
Video Display out × 2 ch (RGB888)
Video input x 2 ch
Video decode processor (H.264/AVC, MPEG-4, VC-1)
Media RAM
JPEG acceralator
TS interface
Video image processing (color conversion, image expansion, reduction, filter processing)
Distortion compensation module (image renderer) × 4 ch
Image recognition processor
Audio Sound processing unit × 2 ch
Sampling rate converter × 10 ch
Sound serial interface × 10 ch
Storage interfaces USB 2.0 host interface × 3 ports (w/ PHY)
SD host interface × 4 ch
Multimedia card interface
Serial ATA interface
In-car network
automotive peripherals
Media local bus (MLB) interface × 1 ch (6-pin / 3-pin interface selectable)
CAN Interface × 2 ch
IEBus interface
GPS baseband module
Security Crypto engine (AES, DES, Hash, RSA)
Secure RAM
Other peripherals DMA controller
LBSC DMAC: 3 ch / SuperHyway-DMAC: 4 ch / HPB DMAC: 39 ch
32-bit timer × 9 ch
PWM timer × 7ch
I 2 C bus interfaces × 4 ch
Serial communication interface (SCIF) × 8 ch
Serial peripheral interface (HSPI) × 3 ch
Ethernet controller (IEEE802.3u, RMII, without PHY)
Interrupt controller (INTC)
Clock generator (CPG) with built-in PLL
On-chip debugger interface
Low power mode DPS/VS (CPU core, PowerVR SGX543MP2, VPU, IMP)
AVS (adaptive voltage scaling) function
DDR-SDRAM power supply backup mode
Package 832-pin FCBGA (27 × 27 mm)
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.
Middleware Wide variety of middleware such as H.264, MPEG-4 and VC-1 for video is 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).
SuperH is a registered trademark or a trademark of Renesas Electronics Corporation in Japan, the United States, and other countries.
IEBus™ is a trademark of Renesas Electronics Corporation.
Other product name and service name under release are the trademarks or registered trademarks that all belong to each owner.

Automotive Development Tools Icon

Automotive Development Tools

Through collaboration with many tool vendors, Renesas offers development tools for a variety of automotive systems.