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EP7312-IV PDF预览

EP7312-IV

更新时间: 2024-11-15 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

EP7312-IV 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFP包装说明:LFQFP,
针数:208Reach Compliance Code:unknown
HTS代码:8542.31.00.01风险等级:5.84
具有ADC:NO地址总线宽度:28
位大小:32最大时钟频率:13 MHz
DAC 通道:NODMA 通道:NO
外部数据总线宽度:32JESD-30 代码:S-PQFP-G208
JESD-609代码:e0长度:28 mm
I/O 线路数量:27端子数量:208
最高工作温度:85 °C最低工作温度:-40 °C
PWM 通道:YES封装主体材料:PLASTIC/EPOXY
封装代码:LFQFP封装形状:SQUARE
封装形式:FLATPACK, LOW PROFILE, FINE PITCH峰值回流温度(摄氏度):225
认证状态:Not QualifiedROM可编程性:FLASH
座面最大高度:1.6 mm速度:74 MHz
最大供电电压:2.7 V最小供电电压:2.3 V
标称供电电压:2.5 V表面贴装:YES
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
处于峰值回流温度下的最长时间:30宽度:28 mm
uPs/uCs/外围集成电路类型:MICROCONTROLLER, RISCBase Number Matches:1

EP7312-IV 数据手册

 浏览型号EP7312-IV的Datasheet PDF文件第2页浏览型号EP7312-IV的Datasheet PDF文件第3页浏览型号EP7312-IV的Datasheet PDF文件第4页浏览型号EP7312-IV的Datasheet PDF文件第5页浏览型号EP7312-IV的Datasheet PDF文件第6页浏览型号EP7312-IV的Datasheet PDF文件第7页 
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  
— ThumbCode 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.)  
(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  
MaverickKeyTM  
MEMORY and STORAGE  
©Copyright Cirrus Logic, Inc. 2005  
(All Rights Reserved)  
AUG ‘05  
DS508F1  
http://www.cirrus.com  

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