ATA5831/ATA5832/ATA5833 UHF ASK/FSK Transceiver SUMMARY DATASHEET Features AVR microcontroller core with 1Kbyte SRAM and 24Kbyte RF library in firmware (ROM) Atmel ATA5831: 20Kbyte of user flash Atmel ATA5832: 20Kbyte of user ROM Atmel ATA5833: No user memory RF library in firmware only Supported frequency ranges Low-band 310MHz to 318MHz, 418MHz to 477MHz High-band 836MHz to 956MHz 315.00MHz/433.92MHz/868.30MHz and 915.00MHz with one 24.305MHz crystal Low current consumption 9.8mA for RXMode (low-band), 1.2mA for 21ms cycle three-channel polling 9.4mA/13.8mA for TXMode (low-band, Pout = 6dBm/10dBm) Typical OFFMode current of 5nA (maximum 600nA at Vs = 3.6V and T = 85C) Programmable output power 12dBm to +14.5dBm (0.4dB step) Supports the 0dBm class of ARIB STD-T96 ASK shaping to reduce spectral bandwidth of modulated PA output signal Input 1dB compression point 48dBm (full sensitivity level) 20dBm (active antenna damping) Programmable channel frequency with fractional-N PLL 93Hz resolution for low-band 185Hz resolution for high-band FSK deviation 0.375kHz to 93kHz FSK sensitivity (Manchester coded) at 433.92MHz 108.5dBm at 20Kbit/s f=20kHz BWIF=165kHz 111dBm at 10Kbit/s f=10kHz BWIF=165kHz 114dBm at 5Kbit/s f=5kHz BWIF=165kHz 122.5dBm at 0.75Kbit/s f=0.75kHz BWIF=25kHz ASK sensitivity (Manchester coded) at 433.92MHz This is a summary document. 110.5dBm at 20Kbit/s BWIF = 80kHz The complete document is 125dBm at 0.5Kbit/s BWIF = 25kHz available under NDA. For more Programmable Rx-IF bandwidth 25kHz to 366kHz (approximately 10% steps) information, please contact your local Atmel sales office. 9285FS-RKE-07/15 Blocking (BWIF = 165kHz): 64dBc at frequency offset = 1MHz and 48dBc at 225kHz High image rejection: 55dB at 315MHz/433.92MHz and 47dB at 868.3MHz/915MHz without calibration Supported data rate in buffered mode 0.5Kbit/s to 80Kbit/s (120Kbit/s NRZ) Supports pattern-based wake-up and start of frame identification Flexible service configuration concept with on-the-fly (OTF) modification (in IDLEMode) of SRAM service parameters (data rate, ) Each service consists of One service-specific configuration part Three channel-specific configuration parts Three service configurations are located in EEPROM Two service configurations are located in SRAM and can be modified via SPI or embedded application software Digital RSSI with very high relative accuracy of 1dB thanks to digitized IF processing Programmable clock output derived from crystal frequency 1024byte EEPROM data memory for transceiver configuration SPI interface for Rx/Tx data access and transceiver configuration 500Kbit SPI data rate for short periods on SPI bus and host controller On demand services (SPI or API) without polling or telegram reception Temperature measurement Self check and calibration with temperature measurement Configurable EVENT signal indicates the status of the IC to an external microcontroller Automatic antenna tuning at Tx center frequency for loop antenna Automatic low-power channel polling Flexible polling configuration concerning timing, order and participating channels Fast Rx/Tx reaction time Power-up (typical 1.5ms OFFMode -> TXMode, OFFMode -> RXMode) RXMode <-> TXMode switching (typical 500s) Supports mixed ASK/FSK telegrams Non-byte aligned data reception and transmission Software customization Antenna diversity with external switch via GPIO control Antenna diversity with internal SPDT switch Supply voltage ranges 1.9V to 3.6V and 2.4V to 5.5V Temperature range 40C to +105C ESD protection at all pins (4kV HBM, 200V MM, 750V FCDM) Small 5 5mm QFN32 package/pitch 0.5mm, wettable flanks Backward package and pin-to-pin compatibility with Atmel ATA5830N and Atmel ATA5780N Backward RF matching compatibility with Atmel ATA5830N and Atmel ATA5780N (RF redesign not needed) Suitable for applications governed by EN 300 220 and FCC part 15, title 47 2 ATA5831/ATA5832/ATA5833 SUMMARY DATASHEET 9285FSRKE07/15