ATA8741C-PXQW-1 Microchip

ATA8741 Microcontroller with UHF ASK/FSK Transmitter DATASHEET General Features Transmitter with microcontroller consisting of an AVR microcontroller and RF transmitter PLL in a single QFN24 5mm 5mm package (pitch 0.65mm) f = 310MHz to 350MHz 0 Temperature range 40C to +85C Supply voltage 2.0V to 4.0V 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 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, similar to popular Atmel ATtiny44 Well known and market-accepted 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) 9140E-INDCO-09/14 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 ATA8741 DATASHEET 9140EINDCO09/14