Renesas Single-Chip Microcomputer SH7203 Manual de usuario descargar pdf (Pagina 5)

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SH7722/7723: SH-MobileR Series Processors for Multimedia Mobile Products

Enabling multimedia devices that require both high performance and low power consumption

The SH7722 and SH7723, application processors in the SH-MobileR series, deliver the high level of audio, video and communication

performance essential for leading-edge portable multimedia products, as well as the power efficiency necessary for long battery life.

The SH7723 can operate up to 400MHz for up to 720MIPS and 2.8GFLOPS processing.

The SH7722 has a low-power video processing unit that allows

the display of smooth moving images equivalent to that of

standard TV when decoding a compressed signal at bit rates up

to 12Mbps. The SH7723 has a L2 cache and provides among

its many peripheral functions MPEG4, H.264 and JPEG

accelerators. The Migo-R Linux

reference design supports the

SH7722, and the DiamondHead platform for the SH7723 will be

available soon, offering support for Linux and Windows

CE.

SH7722 Benefits:

왘

Provides most or all of the necessary multimedia peripheral

functions, thus enabling compact, low-cost designs

왘

Supports the latest audio and video technologies,

including 2-way H.264 video at 30fps

왘

Interfaces seamlessly with and offloads the main CPU

so it has more computing bandwidth for performing

control and communication functions

왘

Saves power by providing fast application execution throughput

with a relatively low clock frequency (achieves 1.8MIPS/MHz)

왘

Is supported by the Linux-based Migo-R reference design

왘

Enables shorter system development cycles

왘

Needs fewer external functions, saving cost and board space

왘

Connects to external SDRAM, NOR and NAND flash memory

왘

Drives high-resolution WVGA displays that deliver a rich GUI experience

SH7723 Benefits:

왘

Can be used as a media coprocessor, freeing up the host controller

왘

Enables bi-directional video H.264/MPEG4 VGA-size encoding and

decoding at 30fps up to 8Mbps

왘

Draws faster, better-quality maps and produces clear TV pictures

왘

Compact 16-bit-wide instruction set requires 30-40% less memory

than comparable systems

왘

Power-saving architecture and modes

왘

Drives high-resolution displays that can deliver a rich GUI experience

왘

Diamond Head Reference Design Platform exemplifies fewer

external functions being required and supports Linux,

Windows CE and other RTOSs

I-Cache

32KB

DSP

RAM

16KB

Adv

Debug

D-Cache

32KB

MMU

Instruction/Operand

SH-4A

333 MHz

X/Y bus

JTAG

Timers

NAND I/F

Sound

USB

SD I/F

I/O Port

(PFC)

Bus

Bridge

Serial

INTC

Video

2DG

JPEG

LCDC

DMAC

S/BSC

SuperHyway Bus

Cache/RAM

RAM

16/128KB

Peripheral

External

SH7722 Block Diagram

SH-4A

400MHz

IrDA INTC

FPU MMU

KEY

Scan

CMT

1 ch

TMU

32-bit

x3 ch

DMAC

6 ch

SIO

1 ch

SIOF

2 ch

SCIF

6 ch

UBC

2 ch

TPU

4 ch

HUDI/

AUD

1 ch

RTC

1 ch

ADC

4 ch

RWDT

CPG

LL/DLL

USB 2.0

Host & Func.

ATAPI I/F

SIU2

Sound Accelerator,

DSP Function,

Equalizer, Filter

SD Card

I/F

SD Card

I/F

TS-IF

LCD

Controller

VOU

FLCTL

(NAND Flash I/F)

DDR1 I/F

BSC

(Async

Memory I/F)

VPU5F

MPEG4/H.264

VC1

Processing Unit

2DG

2D Graphic

Accelerator

VIO5

5M-Pixel Camera I/F,

Image & Blend

Function

I-Cache

32KB

D-Cache

32KB

L2-Cache

256KB

MeRAM

128KB

NOR Flash

DDR1

NAND

I/O Port

Card

WiFi

Audio

Player

PAL/NTSC

Encoder

TV-Out

NTSC/PAL

VOU

Sound

CODEC

DVD I/F

Camera

Module

(Max

5M-Pixel)

ISDB-T or

DVB-H

DMB Tuner

Module

VIO5

Touch-Panel I/F

SH7723 Block Diagram

SH7786 Dual-core Processors for High-performance Multimedia Systems in Automobiles

The advanced devices for automotive applications achieve 1920 MIPS

performance and have an 800MB/s PCI Express bus interface

The 32-bit SH7786 processors harness the processing power of dual SH-4A CPU cores to deliver performance levels up to 1920 MIPS, using

a 533MHz clock. They incorporate an internal PCI Express bus interface capable of high-speed data transfers at up to 800Mbytes/second.

This makes it possible to reduce system power consumption and implement complex processing tasks such as image recognition and

sophisticated graphics by connecting the microcomputers to external high-performance devices via PCI Express bus links. To aid software

development, the chips also provide H-UDI (User Debug Interface) and AUD (Advanced User Debugger) on-chip debug functions for

performing real-time debugging and trace collection, even at the processors’ 533MHz maximum operating frequency.

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