ATMEGA644A-MU
ActiveVQFN44Microchip Technology · Microcontrollers & Processors
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Technical Specifications
ManufacturerMICROCHIP TECHNOLOGY
Type of integrated circuitAVR microcontroller
Clock frequency20MHz
CaseVQFN44
Number of PWM channels6
Number of 16bit timers1
MountingSMD
Operating temperature-40...85°C
InterfaceI2C, JTAG, SPI x3, UART x2
Memory2kB EEPROM, 4kB SRAM, 64kB FLASH
Integrated circuit features32kHz resonator for RTC, watchdog
Supply voltage1.8...5.5V DC
Kind of core8-bit
Number of 8bit timers2
Operating frequency20MHz
Number of input capture channels1
Kind of packagein-tray
Number of capacitive channels16
Number of 10bit A/D converters8
FamilyATMEGA
Number of output compare channels6
Terminal pitch0.5mm
Manufacturer seriesmegaAVR
Number of external interrupts32
Manufacturer standard package360pcs.
Number of inputs/outputs32
Number of comparators1
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