ATR2740M1 Datasheet, PDF (1/8 Pages) ATMEL Corporation – DAB Digital Processing Device

Features
• ATR2740M1 is a Special Version of ATR2740 Recommended for Automotive
Applications
• 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
• DAB OFDM Channel Demodulator and Decoder
– Fully Integrated, Supports all DAB Functions and Modes
– 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
– 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 MP3 Support
• Large Variety of Interfaces
– I²S/SPDIF, SFCO, SSO, RDI, RS-232, USART
– Two USARTs
• 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
• Very Low External Component Count
DAB Digital
Processing
Device
ATR2740M1
Summary
NOTE: This is a summary document.
The complete document is available.
For more information, please contact
your local Atmel sales office.
4977CS–DAB–10/08