參數(shù)資料
型號(hào): EP7309-EV-C
廠商: CIRRUS LOGIC INC
元件分類: 微控制器/微處理器
英文描述: CONN MOD JACK 8-8 SHIELD TOP TAB
中文描述: RISC MICROCONTROLLER, PQFP208
封裝: LQFP-208
文件頁(yè)數(shù): 1/46頁(yè)
文件大?。?/td> 1893K
代理商: EP7309-EV-C
Copyright 2001 Cirrus Logic (All Rights Reserved)
June ’01
DS507PP1
1
P.O. Box 17847, Austin, Texas 78760
(512) 445 7222 FAX: (512) 445 7581
http://www.cirrus.com
High-Performance,
Low-Power System on Chip
Enhanced
Digital Audio Interface
EP7309 Data Sheet
OVERVIEW
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
Windows
CE and Linux
.
BLOCK DIAGRAM
FEATURES
(cont.)
(cont.)
I
ARM720T Processor
— ARM7TDMI CPU
— 8 KB of four-way set-associative cache
— MMU with 64-entry TLB
— Thumb code support enabled
I
Ultra low power
— 90 mW at 74 MHz typical
— 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.)
LCD
Controller
Boot
ROM
MaverickKey
TM
ARM720T
ARM7TDMI CPU Core
8 KB
Cache
MMU
Write
Buffer
Internal Data Bus
EPB Bus
SRAM &
FLASH I/F
On-chip SRAM
48 KB
ICE-JTAG
Clocks &
Timers
Keypad&
Touch
Screen I/F
Interrupts,
PWM & GPIO
Bus
Bridge
(2) UARTs
w/ IrDA
Power
Management
Serial
Interface
Digital
Audio
Interface
systems
like
Microsoft
MEMORY AND STORAGE
U
S
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參數(shù)描述
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EP7309-IR-C 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH PERFORMANCE LOW POWER SYSTEM ON CHIP ENHANCED DIGITAL AUDIO INTERFACE