ATMEGA644A-MU Microchip Technology

Category: 8-bit AVR family, Description: IC: AVR microcontroller; ATMEGA; VQFN44; 1.8÷5.5VDC; Ext.inter: 32, Type of integrated circuit: AVR microcontroller, Family: ATMEGA, Case: VQFN44, Clock frequency: 20MHz, Number of inputs/outputs: 32, Number of PWM channels: 6, Number of 8bit timers: 2, Number of 16bit timers: 1, Mounting: SMD, Supply voltage: 1.8...5.5V DC, Operating temperature: -40...85°C, Operating frequency: 20MHz, Number of external interrupts: 32, Interface: I2C; JTAG; SPI x3; UART x2, Memory: 2kB EEPROM; 4kB SRAM; 64kB FLASH, Number of output compare channels: 6, Number of comparators: 1, Integrated circuit features: 32kHz resonator for RTC; watchdog, Number of input capture channels: 1, Number of 10bit A/D converters: 8, Number of capacitive channels: 16, Kind of package: in-tray, Terminal pitch: 0.5mm, Manufacturer standard package: 360pcs., Kind of core: 8-bit, Manufacturer series: megaAVR.