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AVR MCU'er med integreret RF-transmitter

Nye Atmel AVR-microcontrolellere med on-chip RF-transmitter adresserer industri-applikationer (in english).

Atmel has announced the first ATA874x single-chip UHF ASK/FSK RF transmitter family targeting a broad range of proprietary wireless industrial and consumer applications such as metering, alarm systems and home control applications. This new AVR product family offers industry-leading RF performance operating in the license-free ISM frequency bands (868 to 928 MHz, 433 MHz, and 315 MHz).

As a well-known market player in smart metering and home automation with its wireless IEEE 802.15.4 and ZigBee products, Atmel now takes the additional step to address the requirements in the diversified proprietary wireless market segments.


With a low-power AVR CPU, a highly effective RF transmitter, and a sleep-mode power consumption of only 160 nA, the ATA874x family members are uniquely optimized to address battery-driven applications such as remote controls or garage door openers.

The tiny QFN24 packages, measuring only 5 mm x 5 mm, allow the creation of extremely small designs at highly competitive costs. Customers can benefit from a bill of material (BOM) cost savings of up to 30 percent and board-area savings of up to 50 percent, when compared with conventional solutions.

These new ATA874x devices are highly integrated, and incorporate Atmel's RF transmitter technology that have sold over 50 million units to date. The ATA874x devices offer maximum flexibility using the ATtiny44V CPU, allowing in-system flash memory re-programming.

By executing powerful instructions in a single-clock cycle, the ATtiny44V achieves throughputs approaching 1 MIPS per MHz that enable system designers to optimize power consumption versus processing speed. The powerful AVR controller simplifies hardware and software designs.

The ATA874x single-chip narrow band transmitter family complements the well-established Atmel ISM band receivers, such as ATA8201 and ATA8202 or ATA8203/4/5, providing a total end-to-end solution to its customers.


Samples of the ATA874x family are now available in small-outline QFN24 packages. Pricing starts at USD $1 for quantities of 200k. To simplify and accelerate product design, a complete design kit for uni-directional RF applications, as well as Atmel's well-known AVR Studio for new software development (STK512-EKx-IND), are available for customer lab measurements and performance evaluations.

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