ATR2740 Datasheet, PDF (1/7 Pages) ATMEL Corporation – DAB DIGITAL PROCESSING DEVICE

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)
– 128-kByte Program and Data RAM
• Utilizes TeakDSPCore^®
– 16-bit Fixed-point Digital Signal Processing Core
– High-performance Dual MAC Architecture
– 75 MHz Single Clock Design
• DAB OFDM Channel Demodulator and Decoder
– Fully Integrated, Supports all DAB Functions and
Modes
– Full Data Rate of 1.8 Mbit Can Be Decoded
– Proven Time and Frequency Synchronization
with a Wide-range Parameter Set
– 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
– Support of Dynamic Multiplex Reconfiguration (DMR) without Mute State
– Digital Zero-symbol Detection (FSYNCH Generation)
• Audio Source Decoder (ASD) and Data Decoder (DD)
– On-chip De-interleaver Memory for Full 1.8 Mbit/s Decoding Data Rate
– Programmable Fader
– Programmable DRC
– PAD Extraction
– 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
– Optional SAW Filter Equalization
• ARM7TDMI Core User Software Extension
– Audio Player MPEG3 Support
• Large Variety of Interfaces
– I2S/SPDIF, SFCO, SSO, RDI, RS-232, USART
– USB 2.0 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
• Simple Memory Concept, Only One External Flash Required
• 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 (3.3 V and 1.8 V)
• Robust LQFP128 Package, BGA121 Package
• Very Low External Component Count
DAB Digital
Processing
Device
ATR2740
Summary
Preliminary
Electrostatic sensitive device.
Observe precautions for handling.
Rev. 4816BS–DAB–11/04
Note: This is a summary document. A complete document
is available under NDA. For more information, please con-
tact your local Atmel sales office