ATA5771-DK1 Microchip

ATA5771C/73C/74C UHF ASK/FSK Transmitter with the Atmel AVR Microcontroller DATASHEET General Features Atmel AVR microcontroller and RF transmitter PLL in a single QFN24 5mm 5mm package (pitch 0.65mm) Operating frequency ranges 310MHz to 350MHz, 429MHz to 439MHz and 868MHz to 928MHz Temperature range 40C to +85C Supply voltage 2.0V to 3.6V allowing usage of single Li-cell power supply Low power consumption Active mode: typical 9.8mA at 3.0V and 4MHz microcontroller-clock Power-down mode: Typical 200nA at 3.0V Modulation scheme ASK/FSK Integrated PLL loop filter Output power of 8dBm at 315MHz / 7.5dBm at 433.92MHz / 5.5dBm at 868.3MHz Easy to design-in due to excellent isolation of the PLL from the PA and power supply Single-ended antenna output with high efficient power amplifier Very robust ESD protection: HBM 2500V, MM100V, CDM 1000V High performance, low power AVR 8-bit microcontroller Advanced RISC architecture Non-volatile program and data memories 4Kbytes of in-system programmable program memory flash 256Bytes in-system programmable EEPROM 256Bytes internal SRAM Programming lock for self-programming flash program and EEPROM data security Peripheral features Two timer/counter, 8- and 16-bit counters with two PWM channels on both 10-bit ADC On-chip analog comparator Programmable watchdog timer with separate on-chip oscillator Universal serial interface (USI) 9137J-RKE-10/14 Special microcontroller features debugWIRE on-chip debug system In-system programmable via SPI port External and internal interrupt sources Pin change interrupt on 12 pins Enhanced power-on reset circuit Programmable brown-out detection circuit Internal calibrated oscillator On-chip temperature sensor 12 programmable I/O lines 2 ATA5771C/73C/74C DATASHEET 9137JRKE10/14