Copyright Cirrus Logic, Inc. 2011 (All Rights Reserved) DS507F2 EP7309 High-Performance, Low-Power Sy" />
參數(shù)資料
型號： EP7309-CVZ
廠商： Cirrus Logic Inc
文件頁數(shù)： 12/42頁
文件大?。?/td> 0K
描述： IC ARM720T MCU 74MHZ 208-LQFP
標(biāo)準(zhǔn)包裝： 36
系列： EP7
核心處理器： ARM7
芯體尺寸： 32-位
速度： 74MHz
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，POR，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： 0°C ~ 70°C
封裝/外殼： 208-LQFP
包裝： 托盤
其它名稱： 598-1214
2
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
DS507F2
EP7309
High-Performance, Low-Power System on Chip
FEATURES (cont)
Dynamically programmable clock speeds of 18, 36, 49, and
74 MHz
48 KB of on-chip SRAM
MaverickKey
IDs
— 32-bit unique ID can be used for SDMI compliance
— 128-bit random ID
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
— 8/32/16-bit SRAM/FLASH/ROM Interface
— Digital Audio Interface providing 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 EP7309 is optimized for low power
dissipation and is fabricated on a 0.25 micron CMOS
process
OVERVIEW (cont.)
The EP7309 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 EP7309 integrates an interface to enable a direct
connection to many low cost, low power, high quality audio
converters. In particular, the DAI can directly interface with
the Crystal CS43L41/42/43 low-power audio DACs and the
Crystal CS53L32 low-power ADC. 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 EP7309 completes a low-power system
solution. All necessary interface logic is integrated on-chip.
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參數(shù)描述
EP7309-EB-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
EP7309-ER-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
EP7309-EV-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
EP7309-IB 制造商:CIRRUS 制造商全稱:Cirrus Logic 功能描述:High-performance, Low-power, System-on-chip with Enhanced Digital Audio Interface
EP7309-IB-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
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