Datasheet > ADSP-21262_05

ADSP-21262_05

更新时间： 2024-11-29 05:15:11

品牌	Logo	应用领域
亚德诺 - ADI		/
页数	文件大小	规格书
48页	1275K
描述
Embedded Processor

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ADSP-21262_05 数据手册

SHARC^®

Embedded Processor

ADSP-21262

SUMMARY

KEY FEATURES

High performance 32-bit/40-bit floating-point processor

Code compatibility—at assembly level, uses the same

instruction set as other SHARC DSPs

Serial ports offer left-justified sample-pair and I²S support

via 12 programmable and simultaneous receive or trans-

mit pins, which support up to 24 transmit or 24 receive I²S

channels of audio when all six serial ports (SPORTs) are

enabled or six full duplex TDM streams of up to 128

channels per frame

At 200 MHz (5 ns) core instruction rate, the ADSP-21262

operates at 1200 MFLOPS peak/800 MFLOPS sustained

performance whether operating on fixed- or floating-point

data

400 MMACS sustained performance at 200 MHz

Super Harvard Architecture—three independent buses for

dual data fetch, instruction fetch, and nonintrusive, zero-

overhead I/O

Transfers between memory and core at up to four 32-bit

floating- or fixed-point words per cycle, sustained

2.4G byte/s bandwidth at 200 MHz core instruction rate

and 900M byte/sec is available via DMA

Single-instruction multiple-data (SIMD) computational archi-

tecture—two 32-bit IEEE floating-point/32-bit fixed-point/

40-bit extended precision floating-point computational

units, each with a multiplier, ALU, shifter, and register file

High bandwidth I/O—a parallel port, an SPI^®port, six serial

ports, a digital applications interface (DAI), and JTAG

DAI incorporates two precision clock generators (PCGs), an

input data port (IDP) that includes a parallel data acquisi-

tion port (PDAP), and three programmable timers, all

under software control by the signal routing unit (SRU)

On-chip memory—2M bit of on-chip SRAM and a dedicated

4M bit of on-chip mask-programmable ROM

The ADSP-21262 is available in commercial and industrial

temperature grades. For complete ordering information,

see Ordering Guide on Page 46.

DUAL PORTED MEMORY

BLOCK 0

DUAL PORTED MEMORY

BLO CK 1

CORE PROCESSOR

INSTRUCTION

SRAM

1M BIT

SRAM

1M BIT

CACHE

TIMER

ROM

48-BIT

2M BIT

DAG1

DAG2

PROGRAM

SEQ UENCER

ADDR

DATA

ADDR

DATA

PM ADDRESS BUS

DM ADDRESS BUS

PM DATA BUS

DM DATA BUS

IOD

(32)

IOA

(18)

DMA CONTROLLER

PX REGISTER

22 CHANNELS

GPIO FLAGS/

IRQ/TIMEXP

PROCESSING

ELEMENT

(PEX)

PROCESSING

ELEMENT

(PEY)

SPI PORT (1)

ADDRES S/

DATA BUS / GPIO

CONTROL/GPIO

SERIAL PORTS (6)

JTAG TEST & EMULATION

PARALLEL

PORT

IOP

REGISTERS

(MEMORY MAPPED)

SIGNAL

RO UTI NG

UNIT

INPUT

DATA PORTS (8)

PARALLEL DATA

ACQUISITION PORT

CONTROL,

STATUS,

DATA BUFFERS

PRECISION CLOCK

GENERATORS (2)

TIMERS (3)

DIGITAL APPLICATIONS INTERFACE

I/O PROCESSOR

Figure 1. Functional Block Diagram

SHARC and the SHARC logo are registered trademarks of Analog Devices, Inc.

Rev. B

Information furnished by Analog Devices is believed to be accurate and reliable.

However, no responsibility is assumed by Analog Devices for its use, nor for any

infringements of patents or other rights of third parties that may result from its use.

Specifications subject to change without notice. No license is granted by implication

or otherwise under any patent or patent rights of Analog Devices. Trademarks and

registered trademarks are the property of their respective owners.

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.

Tel: 781.329.4700

FAX: 781.461.3113

www.analog.com

12 3 4 5 6 7...48

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与ADSP-21262_05相关器件

型号	品牌	获取价格	描述	数据表
ADSP-21262SBBC-150	ADI	获取价格	Embedded Processor
ADSP-21262SBBCZ150	ADI	获取价格	Embedded Processor
ADSP-21262SKBC-200	ADI	获取价格	SHARC Processor
ADSP-21262SKBC-200X	ADI	获取价格	IC 16-BIT, 66.66 MHz, OTHER DSP, PBGA136, MO-205AE, BGA-136, Digital Signal Processor
ADSP-21262SKBCZ200	ADI	获取价格	SHARC Processor
ADSP-21262SKSTZ200	ADI	获取价格	SHARC Processor
ADSP-21262SKSTZX	ADI	获取价格	IC 16-BIT, 66.66 MHz, OTHER DSP, PQFP144, MS-026BFB, LQFP-144, Digital Signal Processor
ADSP-21266	ADI	获取价格	SHARC Embedded Processor
ADSP-21266_07	ADI	获取价格	Embedded Processor
ADSP-21266SKBC-200X	ADI	获取价格	IC,DSP,32-BIT,CMOS,BGA,136PIN,PLASTIC

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