參數(shù)資料
型號(hào): EP7309-CB
廠商: Cirrus Logic Inc
文件頁數(shù): 1/42頁
文件大小: 0K
描述: IC ARM720T MCU 74MHZ 256-PBGA
標(biāo)準(zhǔn)包裝: 90
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(chǔ)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: 256-BGA
包裝: 托盤
其它名稱: 598-1210
Copyright Cirrus Logic, Inc. 2011
(All Rights Reserved)
MAR ‘11
DS507F2
High-performance,
Low-power, System-on-chip
with Enhanced
Digital Audio Interface
EP7309 Data Sheet
OVERVIEW
BLOCK DIAGRAM
FEATURES
(cont.)
ARM720T Processor
— ARM7TDMI CPU
— 8 KB of four-way set-associative cache
— MMU with 64-entry TLB
— Thumb code support enabled
Ultra low power
— 90 mW at 74 MHz typical
— 30 mW at 18 MHz typical
— 10 mW in the Idle State
— <1 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, ADPCM, Audible,
etc.)
LCD
Controller
Boot
ROM
MaverickKeyTM
ARM720T
ARM7TDMI CPU Core
MMU
8 KB
Cache
Write
Buffer
Internal Data Bus
EPB Bus
SRAM &
FLASH I/F
On-chip SRAM
48 KB
ICE-JTAG
Clocks &
Timers
Keypad&
Touch
Screen I/F
Interrupts,
PWM & GPIO
Bus
Bridge
(2) UARTs
w/ IrDA
Power
Management
Serial
Interface
Digital
Audio
Interface
The Maverick EP7309 is designed for ultra-low-power
applications such as digital music players, internet appliances,
smart cellular phones or any hand-held device that features the
added capability of digital audio decompression. The core-
logic functionality of the device is built around an ARM720T
processor with 8 KB 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 sophisticated operating systems like Microsoft
Windows CE and Linux.
MEMORY AND STORAGE
U
SER
INTERF
AC
E
SE
RIAL
POR
T
S
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