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R-Car E1


The R-Car E1 is a new member of the R-Car series of automotive systems-on-chip (SoCs) offering low power consumption and high system integration targeting the cost-sensitive market of car navigation and multimedia systems including high end car radios.


  • High quality multimedia processing at the low power of 1 W
  • PowerVR SGX531 graphics engine for colorful, realistic 3D images
  • ARM ® Cortex ® -A9 32-bit RISC CPU core (enhanced with NEON™ extension)
  • Balanced selection of integrated peripherals and functions helps customers minimize board space and cost of their navigation solutions
  • Dedicated power supply IC for use in a voltage regulator enables low-power consumption and quicker time to market

System Block Diagram

R-Car E1


Item R-Car E1 Specifications
Product No. μPD35004
Power-supply voltage 3.3 V(IO), 1.8(DDR2), 1.5(DDR3), 1.1 V(core)
CPU cores ARM ® Cortex ® -A9 (with NEON™)
operating frequency
533 MHz
1330 DMIPS
Cache memory

Instruction cache: 32 Kbytes
Operand cache: 32 Kbytes

External memory
  • DDR3-SDRAM (DDR1066) or DDR2-SDRAM (DDR533)
  • Address space: 1 Gbyte
  • Maximum operating frequency: 533 MHz
  • Data bus width: 16 bits
Expansion bus
  • Flash ROM and SRAM
  • Address space: 64 Mbytes × 3
  • Data bus width: 8 or 16 bits
Main on-chip
peripheral functions
  • PowerVR SGX531 graphics engine (2D/3D)
  • Display/screen output × 2 channels (Digital RGB × 1ch, PAL/NTSC × 1ch)
    Screen1 : RGB888, WVGA(max), Dot clock : 45 MHz(max), Auto Gamma Control and Power Saving, TCON(RGB888)
    Screen2 : PAL/NTSC Encoder+DAC
  • Video input interface × 1 channels
  • VPU5HD2 (H.264/AVC, MPEG-4, VC-1)
  • Video image processing (color conversion, image expansion, reduction, filter processing)
  • Distortion compensation module (image renderer)
  • SD card host interfaces × 3 channels
  • Multimedia card interface
  • Serial audio/sound interfaces × 8 channels
  • Media local bus (MLB) interface ×1
    (MediaLB Ver2.0, 512 fs(max) support)
  • USB 2.0 HS × 2 channels
  • GPS baseband processing module
  • TS interface
  • CD-ROM decorder
  • IEBus™ bus interface
  • Ethernet MAC controller (IEEE802.3u, RMII, without PHY)
  • Controller area network interfaces × 2 channels
  • Serial communications interface (UART) × 8 channels
  • I 2 C bus interfaces × 4 channels
  • Serial peripheral interface (HSPI) × 3 channels
  • DMA Controller
    LBSC-DMAC : 3ch / SuperHyway-DMAC : 2ch / HPB-DMAC : 30ch
  • Timer × 9 channels
  • Genral AD converter (10 bits, 24 KHz sampling) × 2
  • Video DA convertar (10 bit DAC, R-string)
  • Interrupt controller (INTC)
  • Clock oscillator with built-in PLL
  • On-chip debugging function
Low power
consumption mode
Clock stop mode, DDR-SDRAM power supply backup mode
Package 429-pin FPBGA (22mm×22mm)
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 user to carry out efficient system development.
(1) Includes car information system oriented peripheral circuits, providing a user system actual device verification environment.
(2) Can be used as a software development tool for application software, etc.
(3) Allows easy addition 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 is a registered trademark of ARM Limited. Cortex, 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.