Renesas Single-Chip Microcomputer SH7203 Bedienungsanleitung PDF herunterladen (Seite 4)

SuperH Solutions Technology Update: SH-4A CPU

Processors

with SH-4A

Superscalar

CPU

The SH-4A 32-bit

superscalar CPU core is

upward compatible from

the SH-4 CPU and

executes two instructions

in parallel for twice the

throughput, like the SH-2A

CPU. Thus, MCUs in the

SH-4A series provide

more MIPS at lower clock

frequencies — up to

720 Dhrystone MIPS

at 400MHz — so they

consume less power and

generate less noise. The

on-chip hardware Floating

Point Unit (FPU) provides

up to 7 MFLOPS/MHz

performance for

accelerating math

operations and signal

processing algorithms.

A DDR1/DDR2 interface to

external memory enables

higher system throughput

and allows the use of

mainstream DRAM chips

for good availability and

low system cost.

The devices have fast

interrupt response and

make single-cycle context

switches. Finally, Renesas

has many automotive and

industrial customers for

the SH-4A devices and

maintains long product

life cycles for the chips.

For new system

designs, the

SuperH products

recommended in

the SH-4A series

are the following:

왘

SH7763

왘

SH7722/7723

SH7763: Highly Integrated Embedded Processor

with MMU, Ethernet, USB and More

Offering the performance, peripherals and support needed for

network-connected, industrial, and office applications, among many others

The high-performance SH7763 has high peripheral integration, provides standards-based network

connectivity, and includes an MMU for advanced RTOS support. It’s an excellent choice for a wide range

of industrial, commercial and consumer products and systems that require Ethernet and USB connectivi-

ty. Its superscalar SH-4A 32-bit RISC CPU with FPU offers 480 MIPS and 1862 MFLOPs performance

at 266MHz, more than sufficient for use with advanced operating systems. The extensive set of periph-

erals includes a DDR1/2 memory interface, SD I/F, LCD panel control, IP-Sec accelerator, PCI bus I/F, and

more. The internal SuperHyway bus improves application performance by allowing simultaneous

transfers of data between memory and peripherals at high speeds. The easy-to-use HEW integrated devel-

opment environment includes support for the E10A JTAG debugger. Designs are accelerated using the

SH7763RDP reference design platform, with BSPs for Windows

CE and Linux

SH7763 Benefits:

왘

Achieves high performance for quick

response in feature-rich, high-level

operating systems

왘

Readily handles compute-intensive tasks in

embedded environments

왘

Saves power by providing fast application

execution throughput with a low clock

frequency (achieves 1.8MIPS/MHz)

왘

Supports Linux, WinCE, and other RTOSs

with graphics libraries for driving high-

resolution displays

왘

Has high-bandwidth internal bus that

supports fast peripheral functions

왘

Connects to external DDR SDRAM for high

system-memory bandwidth

왘

Allows network routing applications that

simplify cabling

왘

Provides integrated connectivity to

additional peripherals and other host systems

왘

Protects network data without degrading applications that run simultaneously

4 ch.

2 ch.

Serial

6 ch.

A/D, D/A

JTAG

RTC

MMC I/F

Peripheral 1

DMAC

6 ch.

Timers

INTC

LCDC

DDR I/F

I-Cache

32KB

MMU

D-Cache

32KB

SH-4A

266MHz

FPU

Adv

Debug

Internal Cache/RAM

SuperHyway

Security

GbitEth

2 ch.

USBH or

USBF

Instruction/Operand

SuperHyway bridge

Peripheral 0

PCI

External bus

RAM

16KB

Local

Bus

AC97

Bus

Bridge

GPIO

SH7763 Block Diagram

SH7775: SH-Navi Series Processor for

Automotive Navigation and Information Systems

Enables superior car information systems at lower prices by

delivering 1-GIPS/4.2-GFLOPS throughput capabilities, a

3D-graphics engine, GPS baseband module, and more

The SH7775 is optimized for automotive applications — specifically navigation systems and other

in-vehicle car information system products. The device achieves 1 GIPS/4.2 GFLOPS performance at

600MHz and incorporates a GPS baseband processing function and an enhanced 2D/3D graphics engine

with PowerVR

MBX from Imagination Technologies, Ltd., for generating maps and 3-D images.

Capabilities of this engine include triangle 3D drawing and texture mapping.

This SoC processor also provides many additional peripherals essential for next-generation in-vehicle

safety and convenience systems that work better, offer more features, and cost less. The on-chip

peripherals encompass the functions essential for target applications to save cost and space. The Renesas

E10A-USB emulator aids system development environment and the SH7775’s on-chip debugging function

allows real-time debugging at 600MHz. A reference platform with appropriate functions accommodates

custom user functions. It can be used as a verification environment and a software development tool.

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