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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


ItemR-Car E1 Specifications
Product No.μPD35004
Power-supply voltage3.3 V(IO), 1.8(DDR2), 1.5(DDR3), 1.1 V(core)
CPU coresArm ® 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
Package429-pin FPBGA (22mm×22mm)
ICE for Arm CPU available from different vendors.
Evaluation boardA 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.
MiddlewareWide 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.