Datasheet > EP7312_05

EP7312_05

更新时间： 2024-11-14 06:53:23

品牌	Logo	应用领域
凌云 - CIRRUS		动态存储器
页数	文件大小	规格书
64页	1303K
描述
High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced

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EP7312_05 数据手册

EP7312 Data Sheet

High-performance,

Low-power, System-on-chip

with SDRAM & Enhanced

Digital Audio Interface

FEATURES

❑ ARM 720T Processor

— ARM7TDMI CPU Operating at Speeds of 74 and

90 MHz

— 8 kBytes of Four-way Set-associative Cache

— MMU with 64-entry TLB

OVERVIEW

— Thumb™ Code Support Enabled

❑ Ultra low power

™

The Cirrus Logic EP7312 is designed for ultra-low-power

— 90 mW at 74 MHz Typical

portable and line-powered applications such as portable

consumer entertainment devices, home and car audio juke box

systems, and general purpose industrial control applications, or

any device that features the added capability of digital audio

compression & decompression. The core-logic functionality of

the device is built around an ARM720T processor with

8 kBytes of four-way set-associative unified cache and a write

buffer. Incorporated into the ARM720T is an enhanced

memory management unit (MMU) which allows for support of

— 108 mW at 90 MHz Typical

— <.03 mW in the Standby State

❑ Advanced Audio Decoder/decompression Capability

— Supports bit streams with adaptive bit rates.

— Allows for support of multiple audio decompression

algorithms (MP3, WMA, AAC, Audible, etc.).

sophisticated operating systems like Microsoft Windows

CE and Linux .

(cont.)

BLOCK DIAGRAM

Digital

Audio

Interface

EPB Bus

Clocks &

Tim ers

ARM720T

ICE-JTAG

Power

Managem ent

Serial

Interrupts,

Interface

PW M & GPIO

ARM7TDMI CPU Core

8 KB

Cache

W rite

Buffer

Keypad&

Touch

Screen I/F

(2) UARTs

w/ IrDA

Boot

ROM

Bus

Bridge

MMU

Internal Data Bus

Mem ory Controller

SRAM I/F SDRAM I/F

On-chip SRAM

48 KB

LCD

Controller

MaverickKey^TM

MEMORY and STORAGE

AUG ‘05

DS508F1

http://www.cirrus.com

12 3 4 5 6 7...64

中文翻译

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与EP7312_05相关器件

型号	品牌	获取价格	描述	数据表
EP7312-90	CIRRUS	获取价格	New ARM720T 90 MHz Embedded Processor Allows Faster than Real-Time Recording
EP7312-CB	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced
EP7312-CB-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-CB-C	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-CR	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced
EP7312-CR-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-CR-C	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-CV	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced
EP7312-CV-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-CV-90Z	CIRRUS	获取价格	暂无描述

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