Datasheet > ATR2740_07

ATR2740_07

更新时间： 2024-11-25 03:19:43

品牌	Logo	应用领域
爱特美尔 - ATMEL		/
页数	文件大小	规格书
8页	175K
描述
DAB Digital Processing Device

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中文翻译

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数据手册

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ATR2740_07 数据手册

Features

• Highly Integrated Digital Device for DAB Receivers (Eureka 147)

• Utilizes the ARM7TDMI^®Core

– High-performance 32-bit RISC Architecture

– High-density 16-bit Instruction Set

– Embedded ICE (In-Circuit Emulation)

• Utilizes TeakDSPCore^™

– 16-bit Fixed-point Digital Signal Processing Core

• HDAB OFDM Channel Demodulator and Decoder

– Fully Integrated, Supports all DAB Functions and

Modes

DAB Digital

Processing

Device

– Full Data Rate of 1.8 Mbit Can Be Decoded

– Automatic Mode Detection (AMD)

– Digital AFC (Frequency Tolerance < 0.5 Hz for Mode I)

– Digital AGC with a Wide Gain Control Range

– Demodulation and Decoding of up to 64 UEP/EEP Sub-channels

• Audio Source Decoder (ASD) and Data Decoder (DD)

– On-chip De-interleaver Memory for Full 1.8 Mbit/s Decoding Data Rate

– PAD Extraction

ATR2740

– Two Independent Data Packet Mode Decoder

• Integrated High-density SRAM Supporting Time and Frequency De-interleaving

• 10 Msps High-speed Low-power Pipelined ADC

– Supports Wide IF Range of 2.048 MHz to 50 MHz

– Complex Bandpass Filtering

Summary

Preliminary

– Optional SAW Filter Equalization

• ARM7TDMI Core User Software Extension

– Audio Player MP3 Support

• Large Variety of Interfaces

– I²S/SPDIF, SFCO, SSO, RDI, RS-232, USART

– USB V1.1 Full Speed

– Two USARTs

– CAN 2.0A and 2.0B

• Master/Slave SPI Interface

– Two Dedicated Peripheral Data Controller (PDC) Channels

– 8- to 16-bit Programmable Data Length

– Four External Slave Chip Selects

• Programmable Watchdog Timer

• Power Management Controller (PMC)

– CPU and Peripherals Can Be De-activated Individually

– Simple But Comfortable Gearing and Clocking Unit

• 32 User Programmable I/O Lines (PIO)

• Low-power Consumption for Portable Applications (3.3V and 1.8V)

• Robust LQFP128 Package, BGA121 Package

• Very Low External Component Count

NOTE: This is a summary document.

The complete document is available

under NDA. For more information,

please contact your local Atmel sales

office.

4816ES–DAB–01/07

12 3 4 5 6 7 8

中文翻译

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