Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS508F2 EP7312 High-Performance, Low-Power Sy" />
參數(shù)資料
型號： EP7312-IV-90
廠商： Cirrus Logic Inc
文件頁數(shù)： 12/54頁
文件大?。?/td> 0K
描述： IC ARM720T MCU 90MHZ 208-LQFP
標準包裝： 36
系列： EP7
核心處理器： ARM7
芯體尺寸： 32-位
速度： 90MHz
連通性： 編解碼器，DAI，EBI/EMI，IrDA，鍵盤，SPI/Microwire1，UART/USART
外圍設(shè)備： LCD，LED，MaverickKey，PWM
輸入/輸出數(shù)： 27
程序存儲器類型： ROMless
RAM 容量： 56K x 8
電壓 - 電源 (Vcc/Vdd)： 2.3 V ~ 2.7 V
振蕩器型： 外部
工作溫度： -40°C ~ 85°C
封裝/外殼： 208-LQFP
包裝： 托盤
配用： 598-1209-ND - KIT DEVELOPMENT EP73XX ARM7
其它名稱： 598-1246
2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS508F2
EP7312
High-Performance, Low-Power System on Chip
FEATURES (cont)
48 KBytes of On-chip SRAM
MaverickKey IDs
— 32-bit unique ID can be used for DRM-compliant 128-
bit random ID.
Available in 74 and 90 MHz clock speeds.
LCD controller
— Interfaces directly to a single-scan panel monochrome
STN LCD.
— Interfaces to a single-scan panel color STN LCD with
minimal external glue logic.
Full JTAG Boundary Scan and Embedded ICE Support
Integrated Peripheral Interfaces
— 32-bit SDRAM Interface, Up to 2 External Banks
— 8/32/16-bit SRAM/FLASH/ROM Interface
— Digital Audio Interface provides glueless interface to
low-power DACs, ADCs, and CODECs.
— Two Synchronous Serial Interfaces (SSI1, SSI2)
— CODEC Sound Interface
—8
8 Keypad Scanner
— 27 General-purpose Input/Output Pins
— Dedicated LED Flasher Pin from the RTC
Internal Peripherals
— Two 16550-compatible UARTs
— IrDA Interface
— Two PWM Interfaces
— Real-time Clock
— Two General-purpose 16-bit Timers
— Interrupt Controller
— Boot ROM
Package
—208-Pin LQFP
—256-Ball PBGA
The fully static EP7312 is optimized for low power
dissipation and is fabricated using a 0.25 micron CMOS
process.
OVERVIEW (cont.)
The EP7312 is designed for ultra-low-power operation. Its core
operates at only 2.5 V, while its I/O has an operation range of
2.5 V–3.3 V. The device has three basic power states:
operating, idle and standby.
MaverickKey unique hardware programmed IDs are a solution
to the growing concern over secure web content and
commerce. With Internet security playing an important role in
the delivery of digital media such as books or music,
traditional software methods are quickly becoming unreliable.
The MaverickKey unique IDs provide OEMs with a method of
utilizing specific hardware IDs such as those assigned for
SDMI (Secure Digital Music Initiative) or any other
authentication mechanism.
The EP7312 integrates an interface to enable a direct
connection to many low cost, low power, high quality audio
converters. In particular, high quality ADCs, DACs, or
CODECs such as the Cirrus Logic CS53L32A, CS43L42, and
CS42L50 are easily added to an EP73xx design via the DAI.
Some of these devices feature digital bass and treble boost,
digital volume control and compressor-limiter functions.
Simply by adding desired memory and peripherals to the
highly integrated EP7312 completes a low-power system
solution. All necessary interface logic is integrated on-chip.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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
EP7312-IVZ 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312M-CBZ 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312M-CVZ 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
EP7312M-CVZ-90 功能描述:音頻片上系統(tǒng) - SoC IC Hgh-Prfrmnc Low- Power SOC w/SDRAM RoHS:否 制造商:Cirrus Logic
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