EP7312-IB

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

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中文翻译

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技术参数
数据手册

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EP7312-IB 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
零件包装代码：	BGA	包装说明：	BGA,
针数：	256	Reach Compliance Code：	unknown
HTS代码：	8542.31.00.01	风险等级：	5.82
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：	NO	DMA 通道：	NO
外部数据总线宽度：	32	JESD-30 代码：	S-PBGA-B256
JESD-609代码：	e0	长度：	17 mm
湿度敏感等级：	3	I/O 线路数量：	27
端子数量：	256	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：	BGA
封装形状：	SQUARE	封装形式：	GRID ARRAY
峰值回流温度（摄氏度）：	225	认证状态：	Not Qualified
ROM可编程性：	FLASH	座面最大高度：	1.8 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：	BALL	端子节距：	1 mm
端子位置：	BOTTOM	处于峰值回流温度下的最长时间：	30
宽度：	17 mm	uPs/uCs/外围集成电路类型：	MICROCONTROLLER, RISC

EP7312-IB 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-IB相关器件

型号	品牌	获取价格	描述	数据表
EP7312-IB-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IB-A	CIRRUS	获取价格	暂无描述
EP7312-IB-C	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IR	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced
EP7312-IR-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IR-C	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IV	CIRRUS	获取价格	High-performance, Low-power, System-on-chip with SDRAM & Enhanced with SDRAM & Enhanced
EP7312-IV-90	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IV-C	CIRRUS	获取价格	HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7-3B46	FERROXCUBE	获取价格	EP cores and accessories

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