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參數(shù)資料
| 型號： | AT75C310 |
| 廠商： | ATMEL CORP |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | Smart Internet Appliance Processor (SIAP⑩) |
| 中文描述： | 32-BIT, RISC MICROCONTROLLER, PQFP16 |
| 封裝： | PLASTIC, QFP-160 |
| 文件頁數(shù)： | 1/17頁 |
| 文件大?。?/td> | 207K |
| 代理商： | AT75C310 |
1
Features
ARM7TDMI
ARM
Thumb
Processor Core
Two 16-bit Fixed-point OakDSPCore
Cores
256 x 32-bit Boot ROM
88K Bytes of Integrated Fast RAM for Each DSP
Flexible External Bus Interface with Programmable Chip Selects
Dual Codec Interface
Multi-level Priority, Individually Maskable, Vectored Interrupt Controller
Three 16-bit Timer/Counters
Additional Watchdog Timer
Two USARTs with FIFO and Modem Control Lines
Industry Standard Serial Peripheral Interface (SPI)
Up to 23 General-purpose I/O Pins
On-chip DRAM Controller
JTAG Debug Interface
Software Development Suites Available for ARM7TDMI and OakDSPCore
Supported by a Wide Range of Ready-to-use Application Software, including
Multitasking Operating System, Networking, Modems, and Voice-processing Functions
Available in 160-lead PQFP Package
3.3V Power Supply
Description
The Atmel AT75C310 Smart Internet Appliance Processor (SIAP) is a high-perfor-
mance processor specially designed for Internet appliance applications, such as
Internet telephony (Voice over Internet Protocol
–
VoIP). The AT75C310 is built
around an ARM7TDMI microcontroller core running at 20 MIPS with two DSP co-pro-
cessors running at 40 MIPS each
–
all three processors delivering unmatched
performance for low power consumption.
In a typical standalone VoIP phone, one DSP handles the voice-processing functions
(voice compression, acoustic echo cancellation, etc.), while the other one deals with
the telephony functions (dialing, line echo cancellation, callerID detection, high-speed
modem, etc.). In such an application, the power of the ARM7TDMI allows it to run the
VoIP protocol stack as well as all the system control tasks.
Atmel provides the AT75C310 with three levels of software modules:
a special port of the Linux kernel as the proposed operating system
a comprehensive set of tunable DSP algorithms for modems and voice processing,
specially tailored to be run by the DSP subsystems
a broad range of application-level software modules such as H323 telephony or
POP-3/SMTP e-mail services
Smart Internet
Appliance
Processor
–
Electrical and
Mechanical
Characteristics
AT75C310
Rev. 1370A
–
07/00
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