參數(shù)資料
型號： EP7312-IR-90
廠商： CIRRUS LOGIC INC
元件分類： 微控制器/微處理器
英文描述： HIGH-PERFORMANCE, LOW-POWER SYSTEM ON CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
中文描述： 32-BIT, FLASH, 90 MHz, RISC MICROCONTROLLER, PBGA204
封裝： 13 X 13 MM, TFBGA-204
文件頁數(shù)： 3/64頁
文件大小： 1710K
代理商： EP7312-IR-90
DS508PP5
Copyright Cirrus Logic, Inc. 2003
(All Rights Reserved)
3
EP7312
High-Performance, Low-Power System on Chip
Table of Contents
FEATURES ...........................................................................................................................................1
OVERVIEW ...........................................................................................................................................1
FEATURES
(cont) .......................................................................................................................................................2
OVERVIEW
(cont.) ......................................................................................................................................................2
Description of the EP7312
’
s Components, Functionality, and Interfaces ....................................6
Processor Core - ARM720T ..................................................................................................................................6
Power Management ..............................................................................................................................................6
MaverickKey Unique ID ......................................................................................................................................6
Memory Interfaces .................................................................................................................................................6
Digital Audio Capability .........................................................................................................................................7
Universal Asynchronous Receiver/Transmitters (UARTs) .....................................................................................7
Digital Audio Interface (DAI) ..................................................................................................................................7
CODEC Interface ..................................................................................................................................................8
SSI2 Interface ........................................................................................................................................................8
Synchronous Serial Interface ................................................................................................................................8
LCD Controller .......................................................................................................................................................8
64-Key Keypad Interface .......................................................................................................................................9
Interrupt Controller ................................................................................................................................................9
Real-Time Clock ....................................................................................................................................................9
PLL and Clocking ..................................................................................................................................................9
DC-to-DC Converter Interface (PWM) .................................................................................................................10
Timers .................................................................................................................................................................10
General Purpose Input/Output (GPIO) ................................................................................................................10
Hardware Debug Interface ..................................................................................................................................10
LED Flasher ........................................................................................................................................................10
Internal Boot ROM ...............................................................................................................................................10
Packaging ............................................................................................................................................................10
Pin Multiplexing ...................................................................................................................................................11
System Design ....................................................................................................................................................12
ELECTRICAL SPECIFICATIONS ......................................................................................................13
Absolute Maximum Ratings .................................................................................................................................13
Recommended Operating Conditions .................................................................................................................13
DC Characteristics ..............................................................................................................................................13
Timings ...............................................................................................................................................15
Timing Diagram Conventions ....................................................................................................................15
Timing Conditions ......................................................................................................................................15
SDRAM Interface ................................................................................................................................................16
SDRAM Load Mode Register Cycle ..........................................................................................................17
SDRAM Burst Read Cycle .........................................................................................................................18
SDRAM Burst Write Cycle .........................................................................................................................19
SDRAM Refresh Cycle ..............................................................................................................................20
Static Memory .....................................................................................................................................................21
Static Memory Single Read Cycle .............................................................................................................22
Static Memory Single Write Cycle .............................................................................................................23
Static Memory Burst Read Cycle ...............................................................................................................24
Static Memory Burst Write Cycle ...............................................................................................................25
SSI1 Interface ......................................................................................................................................................26
SSI2 Interface ......................................................................................................................................................27
LCD Interface ......................................................................................................................................................28
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
EP7312IR-90 制造商:Cirrus Logic 功能描述:
EP7312-IR-C 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
EP7312-IV 功能描述:IC ARM720T MCU 74MHZ 208-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR)
EP7312-IV-90 功能描述:IC ARM720T MCU 90MHZ 208-LQFP RoHS:否 類別:集成電路 (IC) >> 嵌入式 - 微控制器， 系列:EP7 標(biāo)準(zhǔn)包裝:1,500 系列:AVR® ATtiny 核心處理器:AVR 芯體尺寸:8-位 速度:16MHz 連通性:I²C，LIN，SPI，UART/USART，USI 外圍設(shè)備:欠壓檢測/復(fù)位，POR，PWM，溫度傳感器，WDT 輸入/輸出數(shù):16 程序存儲器容量:8KB（4K x 16） 程序存儲器類型:閃存 EEPROM 大小:512 x 8 RAM 容量:512 x 8 電壓 - 電源 (Vcc/Vdd):2.7 V ~ 5.5 V 數(shù)據(jù)轉(zhuǎn)換器:A/D 11x10b 振蕩器型:內(nèi)部 工作溫度:-40°C ~ 125°C 封裝/外殼:20-SOIC（0.295"，7.50mm 寬） 包裝:帶卷 (TR)
EP7312-IV-C 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:HIGH-PERFORMANCE, LOW-POWER SYSTEM-ON-CHIP WITH SDRAM AND ENHANCED DIGITAL AUDIO INTERFACE
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