Baseband Processor
Atmel® announces its DAB baseband processor ATR2740 for DAB applications. Due to the 0.18-micron CMOS process used and the device's advanced architecture, this baseband IC provides flexibility and a low current consumption. The baseband processor is controlled by a standard ARM® core, allowing designers to work with standard tools. Due to the high integration of the device, two external parts (a simple crystal and an 8-MB Flash memory) are required to run the full DAB function. All RAM functions such as interleaving or program memory are incorporated into the device, same as the analog-to-digital converter. The processor works together with Atmel's DAB front-end devices U2730B and U2731B. The product also provides a variety of supported interfaces: UART, USB, and SPI are available for control functions. SSO, SFCO, and RDI interfaces as well as two audio outputs (I2S or SPDIF) are implemented as data interfaces. At a full decoding data bit rate of 1.8 Mbit/s, the device's power consumption is 180 mW.
Atmel Corporation
Atmel Corporation
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San Jose, CA, 95131
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