Atmel Announces a Low Cost RF Wireless System Chip Set Targeted at the High-Growth UHF Unlicensed ISM Band.Business Editors/High-Tech Writers SAN JOSE, Calif.--(BUSINESS WIRE)--Dec. 16, 2002 Two-Chip Solution Yields Complete 2-Way Radio Frequency System: Transmitter, Receiver and Microcomputer Atmel(R) Corp. (Nasdaq:ATML ATML Automatic Test Markup Language ATML Automated Test Markup Language ) announced today the availability of a UHF (Ultra High Frequency) The range of electromagnetic frequencies from 300 MHz to 3 GHz. In the U.S., analog television has used UHF channels 52 to 69 in the 700 MHz band. RF wireless on/off key transceiver chip set based on Atmel's AT86RF401 Smart RF microtransmitter and its T5744 receiver. The microtransmitter's powerful AVR (Automatic Voltage Regulation) See voltage regulator. (R)-based core enables it to be paired with the T5744 receiver and supervise 2-way on/off keyed communications in the unlicensed ISM band (300MHz - 450MHz). Both chips minimize external component count through high levels of integration. As a result, with +6dB of output power on the microtransmitter and -110dB of input sensitivity on the receiver, a high performance, low-cost, 2-way RF wireless system can be realized. These features make this chip set ideally suited for low-cost, low-data rate, 2-way remote sensing applications, such as temperature, pressure, and motion as well as remote control applications, like home appliance and lighting, energy management and monitoring, and security systems. Jim Goings, Atmel's Smart RF Marketing and Applications Manager, pointed out, "The AT86RF401 Smart RF microtransmitter has a relatively unknown but powerful design attribute that allows its interrupt-based bit timer to encode serial data on the RF carrier during transmission as well as decode demodulated serial data from the receiver. Anytime you can get two features for the price of one, you're adding value for your customer." The AT86RF401 Smart RF microtransmitter contains an AVR microcomputer with 2KB of Flash program memory and 128B of EEPROM (Electrically Erasable Programmable ROM) A rewritable memory chip that holds its content without power. Although EEPROMs spawned flash memory, EEPROMs are byte addressable at the write level, whereas flash chips must erase a block of bytes before rewriting. data memory. Its Flash can be updated easily and quickly with the customer's software anytime before, during or after the assembly process, using its built-in In System Programmability (ISP) capabilities. This eliminates costly obsolescence ob·so·les·cent adj. 1. Being in the process of passing out of use or usefulness; becoming obsolete. 2. Biology Gradually disappearing; imperfectly or only slightly developed. associated with masked ROM solutions and moves the product to market swiftly. The microtransmitter's integrated PLL-based RF transmitter is intricately linked to the AVR microcomputer core. This places many key RF parameters, including VCO tuning, output power, and carrier modulation, under software control. Control and flexibility like this enables the user to quickly and easily optimize a design. The T5744 receiver offers high sensitivity at data rates to 10KHz and has an integrated Received Signal Strength Indicator (RSSI RSSI Received Signal Strength Indicator RSSI Received Signal Strength Indication RSSI Russian Space Science Internet RSSI Railway Systems Suppliers, Inc. RSSI Received Signal Strength Intensity RSSI Required Supplemental Stewardship Information ) output to enable signal strength determination of the received signals. Its architecture supports all kinds of modulation schemes, including Manchester, Biphase and most Pulse Width Modulation See PWM. (PWM) protocols. The chip set is available now and is intended to minimize PCB PCB: see polychlorinated biphenyl. PCB in full polychlorinated biphenyl Any of a class of highly stable organic compounds prepared by the reaction of chlorine with biphenyl, a two-ring compound. area with space saving TSSOP TSSOP Thin Shrink Small Outline Package TSSOP Thin Scale Small Outline Package 20 (TX) and SO20/SSO20 (RX) packages. Chip set pricing starts at $3.23 per pair in quantities of 10,000 units. An evaluation kit featuring a fully operational system including a receiver board and transmitter board, samples of the AT86RF401 and T5744 chip set, and the necessary tools to enable the development of a 2-way RF wireless system is available now. The kit can be ordered by contacting any Atmel distributor. Reference part number ATAK4015744U/E, where the U suffix indicates a 315MHz system and the E suffix indicates a 433.92MHz system. The kit sells for $279. About Atmel Founded in 1984, Atmel Corp. is headquartered in San Jose, Calif., with manufacturing facilities in North America and Europe. Atmel designs, manufactures and markets worldwide, advanced logic, mixed-signal, nonvolatile memory and RF semiconductors. Atmel is also a leading provider of system-level integration semiconductor solutions using CMOS (Complementary Metal Oxide Semiconductor) Pronounced "c-moss." The most widely used integrated circuit design. It is found in almost every electronic product from handheld devices to mainframes. , BiCMOS, SiGe, and high-voltage BCDMOS process technologies. Atmel, the Atmel logo and combinations thereof are registered trademarks, and others contained herein are trademarks, of Atmel Corp. Other terms and product names in this document may be the trademarks of others. Information Atmel's product information may be retrieved at http://www.atmel.com/atmel/products/prod32.htm. Additional requests may be sent via e-mail to literature@atmel.com or by visiting Atmel's website at www.atmel.com. Glossary ISM -- Industrial-Scientific Medical ISP -- In-System Programmability PLL -- Phase Locked Loop VCO -- Voltage Controlled Oscillator oscillator Mechanical or electronic device that produces a back-and-forth periodic motion. A pendulum is a simple mechanical oscillator that swings with a constant amplitude, requiring the addition of energy at each swing only to compensate for the energy lost because of air RSSI -- Received Signal Strength Indicator PWM -- Pulse Width Modulation PCB -- Printed Circuit Board UHF -- Ultra High Frequency See UHF. |
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