R-Car M1A/S

Overview

"R-Car M1A" and "R-Car M1S" are SoCs for midrange systems.These device had high adoption rates in car infotainment systems like dashboard mounted car navigation systems. "R-Car M1 series " are developed for the mid-range systems and supports 1080 HD video and advanced graphics displays while offering low-power consumption.

Features

Low power consumption while providing high performance multimedia through the integration of dedicated circuits for processing of 1080 HD video and audio
Dedicated power supply IC for use in a voltage regulator enables low-power consumption and quicker time to market
Realistic 3D images achieved with the latest 3D Graphics Processing Unit (GPU)
ARM Cortex-A9 and Renesas Electronics SH-4A architectures with hardware accelerators enabled by Renesas Electronics' high-quality software/middleware

System Block Diagram

R-Car M1A

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R-Car M1S

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Specifications

Item	R-Car M1A, M1S Specifications
Product No.	M1A(R8A77781DA01BG), M1S(R8A77780DA01BG)
Power-supply voltage	3.3V（IO）, 1.8（DDR2）, 1.5(DDR3), 1.2V（core）
CPU cores	ARM®Cortex™-A9 (M1A Only)	SH-4A core
Maximum operating frequency	800MHz	800MHz
Processing performance	NEON™ Media processing engine	1760 DMIPS(Effective) 5600 MFLOPS
On-chip RAM	-	ILRAM:16 Kbytes OLRAM:16 Kbytes
Cache memory	Instruction cache: 32 Kbyte Operand cache: 32 Kbyte	Instruction cache: 32 Kbytes Operand cache: 32 Kbytes
External SDRAM bus interface	DDR3-SDRAM(DDR1066) or DDR2-SDRAM(DDR800) Address spage: 1 Gbyte Maximum operating frequency: 533MHz Data bus width: 32 bits
External memory bus	Flash ROM and SRAM Address space: 64 Mbytes × 6 Data bus width: 8 or 16 bits
Main on-chip peripheral functions	GPU1: PowerVR SGX540 graphics engine (2D/3D) GPU2: Renesas’ R-GP2 graphics engine (2D/3D) Display/screen output × 2 channels (RGB) Video input interface × 2 channels Video decoder: VPU5HD2 (H.264/AVC, MPEG-4, MPEG-2, VC-1) Video image processing (color conversion, image expansion, reduction, filter processing, expansion, edge emphasis function, etc.) Contrast corrective function, color conversion function JPU: JPEG still picture processing unit Distortion compensation module (Imager renderer) SD card host interfaces × 3 channels Multimedia card interface Sound processing units (SPU2F) × 2 channels Serial audio/sound interfaces × 9 channels USB 2.0 HS × 2 channels GPS baseband processing module FM multiple decoder TS interface IEBus™ bus interface × 2 channels Ethernet MAC controller (IEEE802.3u), 10/100 Mbps transfers Controller area network (CAN) interfaces × 2 channels Media local bus (MLB) interface up to 50 Mbps Serial communications interface (UART) × 6 channels I²C bus interfaces × 4 channels Serial peripheral interface (HSPI) × 3 channels Remote control interface × 1 channel DMA Controller × 37 channels Timer × 9 channels Analog to digital conversion machine interface (12 bits) × 1 channel Interrupt controller (INTC) Clock oscillator with built-in PLL On chip debugging function
Low power consumption mode	Sleep mode Clock stop mode DDR-SDRAM power supply backup mode
Package	472-pin BGA (21mm × 21mm)
Development Environment	ICE for ARM CPU available from different vendors Renesas’ "E10A-USB" emulator for SH-4A CPU debugging.
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-2, MPEG-4, and WMV(Windows Media Video) for video, MP3, AAC, WMA, and aacPlus,etc for Audio is available to realise total system concept.

(Remarks)
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.
Microsoft and Windows are the registered trademarks or trademarks in the United States and other countries of Microsoft Corporation.
Other product name and service name under release are the trademarks or registered trademarks that all belong to each owner.