EP7309-ER-C

更新时间： 2024-11-13 22:30:59

品牌	Logo	应用领域
凌云 - CIRRUS		/
页数	文件大小	规格书
46页	1825K
描述
HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE

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EP7309-ER-C 数据手册

EP7309 Data Sheet

FEATURES

I ARM720T Processor

High-Performance,

Low-Power System on Chip

Enhanced

— ARM7TDMI CPU

— 8 KB of four-way set-associative cache

— MMU with 64-entry TLB

Digital Audio Interface

— Thumb code support enabled

I Ultra low power

OVERVIEW

— 90 mW at 74 MHz typical

The Maverick™ EP7309 is designed for ultra-low-power

applications such as digital music players, internet

appliances, smart cellular phones or any hand-held

device that features the added capability of digital audio

decompression. The core-logic functionality of the device

is built around an ARM720T processor with 8 KB 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

sophisticated operating systems like Microsoft^®

Windows^®CE and Linux^®.

— 30 mW at 18 MHz typical

— 10 mW in the Idle State

— <1 mW in the Standby State

I Advanced audio decoder/decompression capability

— Supports bit streams with adaptive bit rates

— Allows for support of multiple audio

decompression algorithms (MP3, WMA, AAC,

ADPCM, Audible, etc.)

(cont.)

BLOCK DIAGRAM

Digital

Audio

Interface

EPB Bus

Clocks &

Timers

ICE-JTAG

ARM720T

Power

Management

Serial

Interface

Interrupts,

PWM & GPIO

ARM7TDMI CPU Core

8 KB

Cache

Write

Buffer

Keypad&

Touch

Screen I/F

(2) UARTs

w/ IrDA

Boot

ROM

Bus

Bridge

MMU

Internal Data Bus

SRAM &

FLASH I/F

On-chip SRAM

48 KB

LCD

Controller

MaverickKey^TM

MEMORY AND STORAGE

June ’01

DS507PP1

P.O. Box 17847, Austin, Texas 78760

(512) 445 7222 FAX: (512) 445 7581

http://www.cirrus.com

12 3 4 5 6 7...46

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EP7309-IB	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface
EP7309-IB-C	CIRRUS	获取价格	HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309-IBZ	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface
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EP7309-IR-C	CIRRUS	获取价格	HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
EP7309-IV-C	CIRRUS	获取价格	HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE
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