Manufacturer:MicrochipProduct Category:8-bit Microcontrollers - MCURoHS:Details Mounting Style:SMDSMTPackageCase:TQFP-32Series:ATMEGA328Core:AVRData Bus Width:8 bitMaximum Clock Frequency:20 MHzProgram Memory Size:32 kBData RAM Size:2 kBADC Resolution:10 bitNumber of IOs:23 IOOperating Supply Voltage:1.8 V to 5.5 VMaximum Operating Temperature:+ 85 CInterface Type:I2C, SPI, USART